The below is about the energy exchanges in earth systems.
Explanation:
Energy exchanges in earth systems are of many types. The earth systems are atmosphere, geosphere, stratosphere, hydrosphere, and biosphere. All these earth systems exchange energy with each other.The earth gains energy reflected from the sky. It converts that energy back to space. That energy is equally given to all the planets in the sky.Each planet will absorb that energy and radiate heat. This heat is absorbed by all the places on the earth. So this is the energy exchange in the earth systems.Energy exchanges in Earth's system revolves around Earth's main energy outputs which are visible and infrared radiation, reflected light and thermal infrared radiation. ultraviolet radiation and visible radiation, gamma rays, X-rays and ultraviolet radiation.
Explanation:
Energy exchanges in Earth's system revolves around Earth's main energy outputs which are visible and infrared radiation, reflected light and thermal infrared radiation. ultraviolet radiation and visible radiation, gamma rays, X-rays and ultraviolet radiation.The Sun, which makes the external processes that occur in the atmosphere, hydrosphere, and at Earth's surface, The heat flowing from Earth's interior give power to the internal processes that produce volcanoes, earthquakes, and mountains.The Sun also radiates huge amounts of energy. Only a small portion of that energy hits the Earth, but it is enough to light our days, heat our air and land and it creates weather systems over the oceans and seas.When the Sun's energy moves around the space, it reaches Earth's atmosphere and finally to the surface.This heat energy is transferred throughout the planet's systems in three ways which are by radiation,by conduction, and by convection.If a solution containing
55.42
g
55.42 g
of mercury(II) nitrate is allowed to react completely with a solution containing
16.642
g
16.642 g
of sodium sulfate according to the equation below.
Hg
(
NO
3
)
2
(
aq
)
+
Na
2
SO
4
(
aq
)
⟶
2
NaNO
3
(
aq
)
+
H
Answer:
Hg(NO₃)₂(aq) + Na₂SO₄(aq) → 2NaNO₃(aq) + HgSO₄(s)
Moles of Hg(NO₃)₂ = 55.42 / 324.7 ==> 0.1707 moles
Moles of Na₂SO₄ = 16.642 / 142.04 ==> 0.1172 moles
Limiting reagent is Na₂SO₄ as it controls product formation
Moles of HgSO₄ formed = 0.1172 moles
= 0.1172 x 296.65
= 34.757g
Explanation:
how many moles of co2 will be produced from 72.0 g of ch4 assuming o2 is available in excess
Moles of CO₂ produced will be 4.5
Explanation:
CH₄ + 2O₂ → CO₂ + 2H₂O
Molecular weight of CH₄, M = 16
given mass of CH₄, m = 72
moles of CH₄, n = given mass / molecular mass
[tex]n = \frac{m}{M} \\\\n = \frac{72}{16} \\\\n = 4.5[/tex]
Therefore, number of moles of CH₄ present is 4.5
According to the balanced equation,
1 mole of CH₄ produces 1 mole of CO₂
4.5 moles of CH₄ will produce 4.5 moles of CO₂
Therefore, moles of CO₂ produced will be 4.5
Which Kelvin temperatures represent, respectively, the normal freezing point and the normal boiling point of water?
0 K and 273 K
2. OK and 100 K
3 100 K and 273 K
4 273 K and 373K
Answer:
4. 273 K and 373K.
Explanation:
Conversion from Celsius to Kelvin ..
Kelvin = Celsius + 273
Which plants convert trash into energy? plants convert trash into energy. The energy produced is known as
Answer:
Waste-to-energy plants convert trash into energy. This energy produced is known as biomass
Explanation:
The plants that convert trash into energy are known as : Waste-to-energy plants. While The energy produced is nown as ; Biomass energy
What is Biomass energy ?Biomass energy is the type of energy gotten from renewable organic materials such as plants( corn and soya). It is generated by burning the renewable oragnic materials to generate heat and electricity. The plants that convert trash into energy are known as waste-to energy plants.
Hence we can conclude that The plants that convert trash into energy are known as : Waste-to-energy plants. While The energy produced is nown as ; Biomass energy
Learn more about Biomass energy : https://brainly.com/question/2075765
What is true of diffusion
The true statement about diffusion is b. Molecules will move from high to low concentration until equilibrium is reached.
Molecules diffuse passively, moving from high-concentration regions to low-concentration regions without the requirement for external energy input.This motion continues until the system reaches equilibrium, at which point the concentration of molecules is uniform throughout. It's vital to remember that diffusion, which is caused by the random movement of particles, does not require a transport protein.
Option b, which highlights the movement of molecules from high to low concentration until a condition of equilibrium is reached, therefore appropriately captures a feature of diffusion.
complete question;
Which of the following is true of diffusion?
a. It requires energy.
b. Molecules will move from high to low concentration until equilibrium is reached.
c. It is a transport mechanism that requires a transport protein.
d. All of the above.
Which of the following would increase the amount to dissolve a solid solute?
By stirring and increasing temperature, there is an increase in dissolving capacity of the solid solute.
Explanation:
If a solute is added to the solution, it doesn't get dissolve easily then we have to increase the temperature, which in turn increases the movement of the solvent (may be water) and the solute particles, thus increases the dissolving power of the solid solute. One more way is by constant stirring, that is by making more contact among the solvent as well as the solute particles there by increasing the solubility of solid solute.
If you have 100 grams of a radioactive isotope with a half life of 10 years how much of the isotope will you have left after 20 years
Hey there!
A half-life means after a certain amount of time, half of that substance will be gone/changed after that time.
There are two half lives in 20 years because 20 ÷ 10 = 2.
So, we divide the 100g sample in half 2 times.
100 ÷ 2 = 50
50 ÷ 2 = 25
There will be 25g of the radioactive sample remaining after two half lives.
Hope this helps!
On any given night, provided that the sky is clear, all of the planets which can be seen with the naked eye will not be visible at the same time. This is because they all have different
A) moons
B) orbits
C) shapes
D) sizes
Answer:Orbits
Explanation:All planets orbit around the sun at different speeds, directions, and time. Making it impossible to see all planets on any given time
Answer:
B) Orbits
Explanation:
got it right
In general, in what type of solvent (non-polar, moderately polar, or highly polar) are polar solutes most soluble? Explain why.
Answer:
In general, polar solutes are most soluble in highly polar solvents.
Explanation:
The general rule is "like dissolves like" which means that polar solvents dissolve polar (or ionic) solutes and non-polar solvents dissolve non-polar solutes.
In order for a solvent dissolve a solute, the strength of the interacttion (force) between the solute and the solvent units (atoms, molecules, or ions) must be stronger than the strength of the forces that keep together he particles of the pure substances (known as intermolecular forces).
Since the nature of the interactions between the units are electrostatic, the more polar is the solvent the better it will be able to attract and surround the solute particles, keeping them separated and in solution. That mechanism explains why polar solutes will be most soluble in highly polar solvents.
Polar solutes dissolve best in highly polar solvents due to similar intermolecular forces. This principle is known as 'like dissolves like,' where substances with comparable properties mix well.
In general, polar solutes are most soluble in highly polar solvents. This is due to the principle that like dissolves like, meaning substances with similar intermolecular forces tend to dissolve well in each other. Polar solvents, such as water, have large dipole moments and can form hydrogen bonds with polar solutes, facilitating their dissolution.
For example, ethanol (C₂H₅OH), a polar solute, is highly soluble in water because both the solute and the solvent can engage in hydrogen bonding. Conversely, non-polar solvents like hexane are not effective in dissolving polar solutes because the intermolecular forces are not compatible; hexane lacks the ability to form hydrogen bonds and thus cannot readily interact with polar molecules.
Let's consider an example: Would iodine (I₂) be more soluble in carbon tetrachloride (CCl₄) or water (H₂O)? Iodine is a non-polar molecule, so it would dissolve better in CCl₄, which is non-polar, rather than in water, which is polar.
Hydrogen peroxide is a chemical used to clean bacteria out of cuts. It does this by creating germ-eating oxygen in this decomposition reaction. What set of coefficients, respectively, balance this equation?
H2O2 → H2O + O2
Can't find the answer
Answer:
Coefficient's are 2, 2, 1
Explanation:
We are given;
Unbalanced equation;
H₂O₂ → H₂O + O₂
We are required to determine the suitable coefficients that would balance the equation.
We need to know that for an equation to obey the law of conservation of mass it has to be balanced.Balancing involves making sure that the number of atoms of each element are equal on both sides of the equation.In this case;
To balance the equation we put the coefficients 2, 2, 1 respectively
Therefore;
The balanced equation is;
2H₂O₂ → 2H₂O + O₂
Thus, Suitable coefficients are, 2, 2, 1
Answer:
The answer is B)2,2,1
Explanation:
I just got it right on USA test prep
List 6 uses of acids
Answer: 1. Vinegar, used in the kitchen, is a liquid containing 3-6% acetic acid. It is used in pickles and in many food preparations.
2. Lemon and orange juice contains citric acid. Citric acid is used in the preparation of effervescent salts and as a food preservative.
3. Acids have been put to many uses in industry. Nitric acid and sulphuric acid are used in the manufacture of fertilizers, dyes, paints, drugs and explosives.
4. Sulphuric acid is used in batteries, which are used in cars, etc. Tannic acid is used in the manufacture of ink and leather.
5. Hydrochloric acid is used to make aqua regia, which is used to dissolve noble metals such as gold and platinum.
6. Sulphuric acid is used in manufacturing fertilizers such as super phosphate, ammonium sulpahte etc.
what is ecology and what is ecosystem
Answer:
Ecosystem :
Any living organism interacting with its physical environment by any means is known as Ecosystem.
Ecology :
Ecology is the study of the ecosystem. In this field of biology, we study how an organism interact with its physical environment and how the environment respond.
which would create more solute particles in a solution, ionic compounds or a covalent compound
Answer:
This is a popular question because it is important. You have 2 Major kinds of substances, or compounds, ionic, and covalent. Covalent compounds usually do not “break apart” in solution, (in fact you have to try and find the right ones to do this), BUT, the IONIC compounds, like salts, held together by their opposite charges do tend to separate in solution.
Take NaCl, sodium chloride. Add waster, and you get Na+ and Cl-. Now if we add methanol, a poisonous alcohol, it simply remains together as it is diluted in water. It is a Covalent compound, where all of the atoms of CH3OH share their electrons, which is very different than being held together by opposite charges.
Explanation:
Final answer:
Ionic compounds create more solute particles in a solution compared to covalent compounds, as they dissociate into individual ions, resulting in a greater effect on colligative properties.
Explanation:
When comparing whether ionic compounds or covalent compounds create more solute particles in a solution, it is important to understand how each type of compound dissolves. Ionic compounds, when dissolved, dissociate into their constituent ions. For example, NaCl separates into Na+ ions and Cl- ions, doubling the number of particles in solution. On the other hand, covalent compounds, such as glucose, do not dissociate but rather separate into individual molecules in solution. Therefore, ionic compounds generally produce a larger number of dissolved particles and have a greater effect on colligative properties such as boiling point and freezing point of the solution.
Colligative properties are directly related to the number of solute particles in a solution. Since ionic compounds provide more solute particles due to dissociation, they significantly alter colligative properties compared to an equal amount of moles of a covalent compound. This is a crucial concept when analyzing the impact of different solutes on solutions.
What does acid hydrolysis of methyl butanoate form
Answer:
C3H7COOCH3 + H2O/H^+ --------> C3H7COOH + CH3OH
Explanation:
The acid hydrolysis of methyl butanoate is formed by the addition of water and thereby breaking Ester bond to form an alcohol and a carboxylic acid.
C3H7COOCH3 + H2O/H^+--------> C3H7COOH + CH3OH
Prokaryotic and eukaryotic cells are alike because ......
Answer:
DNA is something they have in common.
Explanation:
7. How many grams of CIF3 form from 130.0 grams of Cl2 when F2 is in excess?
339 grams of CLF3 is formed when F2 is in excess and 130 grams of CL2 reacts.
Explanation:
The balanced chemical reaction for the formation of ClF3 is given by:
[tex]Cl_{2}[/tex] + 3 [tex]F_{2}[/tex] ⇒ 2 Cl[tex]F_{3}[/tex]
the mass of Cl2 is given 130 grams
From the equation it is found that 2 moles of chloride reacts to form 2 moles of ClF3.
calculating the number of moles of chlorine by the formula:
Number of moles = mass of the substance ÷ atomic mass of one mole of the substance
n = 130 ÷ 35.45
= 3.6671 moles
So, applying stoichiometry
2 moles of Cl2 formed 2 moles of ClF3
3.6671 moles of Cl2 will form x moles of ClF3
2 ÷ 2 = x ÷ 3.6671
x = 3.6671 moles of ClF3
now from the formula of number of moles
weight is calculated as n × mass of the gas
3.6671 × 92.448
= 339.01 grams of ClF3 is formed.
A certain alcohol contains only carbon, oxygen and hydrogen. When 50
grams are combusted in air, 26.05 grams of C and 6.630 grams of H20 are
produced. If the molecular mass of this alcohol is 189 amu, what is its
molecular formula?
C12H208 is the molecular formula of the alcohol.
Explanation:
The weight of carbon given is 26.05 grams
The weight of H20 = 6.630 grams
first let us find the number of moles of:
number of moles = weight given ÷ mass of 1 mole of the element
= 26.05 ÷ 12
= 2.170 moles of carbon
number of moles of hydrogen present in H2O
= 6.630 ÷ 18
= 0.368
1 mole of water contains 2 mole of hydrogen so, 2 × 0.368 grams
= 0.7366 moles
Number of moles of oxygen cannot be calculated as of now.
So from the data obtained,
50 gms C2H2Ox is combusted.
Lets, calculate the gms from moles using the same equation
For carbon, 2.170 × 12
= 26.04 grams
For hydrogen, 0.368 × 1.01
= 0.3716 grams
adding the carbon and hydrogen content, 26.04 grams
now the oxygen content can be obtained by
50 - 26.04
= 23.96 grams
Now moles of oxygen calculated as
n = 23.96 ÷ 16
= 1.49 moles of oxygen
The emperical formula for the alcohol is C6H04
now the molar mass is divided by emperial formula mass.
molar mass = 189 amu
emperial formula mass = 137
the division would give= 1.37
it can be taken as 2
The subscript in the formula is multiplied by 2 to get molecular formula from emperial formula.
So, C12H208 is the molecular formula of the alcohol.
Calculate the molarity of a solution with 233.772g sodium chloride dissolved in 2,000mL of water
Answer:
The molarity is 2M
Explanation:
First , we calculate the weight of 1 mol of NaCl:
Weight 1mol NaCl= Weight Na + Weight Cl= 23 g+ 35, 5 g= 58, 5 g/mol
58,5 g---1 mol NaCl
233,772 g--------x= (233,772 g x1 mol NaCl)/58,5 g= 4 mol NaCl
A solution molar--> moles of solute in 1 L of solution:
2 L-----4 mol NaCl
1L----x0( 1L x4mol NaCl)/4L =2moles NaCl---> 2 M
Stoichiometry Maze
Directions: Read the question in the START space. Follow the path of 2 HCl + Ca(OH)2 =
CaCl2 +2H20
Directions: Read the question in the START space. Follow the path of
the correct answer to the next question.
SHOW YOUR WORK.
How many moles of CaCl,
will be produced from 1.4
moles of HCl reacting
with calcium hydroxide?
Answer:
That should be CaCl2. Otherwise, all your mathematics would be for naught.
Explanation:
To find the number of moles of CaCl2 produced, multiply the number of moles of HCl by the mole ratio from the balanced chemical equation.
To determine the number of moles of CaCl2 produced from 1.4 moles of HCl reacting with calcium hydroxide, we need to use the balanced chemical equation:
2 HCl + Ca(OH)2 → CaCl2 + 2 H2O
From the equation, we can see that 2 moles of HCl react with 1 mole of CaCl2. Therefore, for every mole of HCl, we will produce 1/2 mole of CaCl2.
To find the number of moles of CaCl2 produced, we can use the following calculation:
1.4 moles HCl × (1/2 moles CaCl2 / 2 moles HCl) = 0.35 moles CaCl2
Therefore, 0.35 moles of CaCl2 will be produced from 1.4 moles of HCl reacting with calcium hydroxide.
Learn more about chemical equation here:
https://brainly.com/question/29886207
#SPJ6
A radioactive isotope, 14C decays to become 14N. After a time period of about 6,000 years, only about 12.5% of an original sample of 14C remains. The remainder has decayed to 14N. According to this information, approximately how long is one half-life of 14C?
Answer:
2000 years
Explanation:
A radioactive molecule will continuously decay and turn into another molecule. This nature of the radioactive molecule makes them can be used to estimate the age of an object. Half-life is the unit of time needed for radioactive molecules to decay to half of its mass. The formula for the mass remaining will be:
[tex]N(t)= N_{0} (\frac{1}{2})^{\frac{t}{t_{1/2} } }[/tex]
Where
N(t)= number of the molecule remains
N0= number of molecule initially
t= time elapsed
t1/2= half time
We have all variable besides the half time, the calculation will be:
[tex]N(t)= N_{0} (\frac{1}{2})^{\frac{t}{t_{1/2} } }[/tex]
[tex]0.125= 1 (\frac{1}{2})^{\frac{6000}{t_{1/2} } }[/tex]
[tex](\frac{1}{8})= (\frac{1}{2})^{\frac{6000}{t_{1/2} } }[/tex]
[tex](\frac{1}{2})^3= (\frac{1}{2})^{\frac{6000}{t_{1/2} } }[/tex]
3= 6000/ (t1/2)
t1/2= 6000/3= 2000
The half-life is 2000 years
A 8.46 L sample oxygen gas at 267K and 1.23 atm is heated to 295K. If the volume changes to 6.98L, what is the new pressure?
Answer:
The new pressure is 1,65 atm
Explanation:
We use the gas formula, which results from the combination of the Boyle, Charles and Gay-Lussac laws. According to which at a constant mass, temperature, pressure and volume vary, keeping constant PV / T.
(P1xV1)/T1= (P2xV2)/T2
(1,23atmx 8,46L)/267 K = (P2 x 6,98L)/ 295K
0,039 atmx L/K = (P2 x 6,98L)/ 295K
P2=(0,039 atmx L/K)x 295K/6,98L =1,65 atm
How does a molecule differ from an atom?
Answer:
Atom are single neutral particles.Molecule are neutral particles made of two or more atom bonded together.
One mole of Ca is equal to how many atoms
One mole of Ca equals approximately 6.022 x [tex]10^2^3[/tex] atoms, which is the value of Avogadro's number.
One mole of an element is defined as having the same number of atoms as there are in 12 grams of the 12C isotope of carbon. This number is known as Avogadro's number, and it is approximately 6.022 x [tex]10^2^3[/tex] particles. In the case of calcium (Ca), one mole of Ca would equal to roughly 6.022 x [tex]10^2^3[/tex] calcium atoms.
The concept of the mole is fundamental in chemistry for quantifying the amount of substance. Whenever we mention one mole of any element, we are referring to 6.022 x [tex]10^2^3[/tex] atoms of that element, whether it's carbon, calcium, or any other element.
1. Define a Family.
2. What is a period?
3. What is the symbol for the following elements?
a. Magnesium __________
b. Potassium ___________
c. Iron ________________
d. Copper _____________
e. Aluminum __________
4. What are the names of the following elements?
a. C ________________
b. Cl _______________
c. Au ______________
d. Sr _______________
5. What period are the following element in?
a. He ______________
b. Ge ______________
c. Rb ______________
d. I ________________
6. What group are the following elements?
a. Sulfur ______________
b. Ca _________________
c. Iodine ______________
d. Fe _________________
7. Give me an atom with the following characteristics.
a. Halogen __________________
b. Alkali metal _______________
c. Nobel gas _________________
d. Transition metal _____________
e. Nonmetal __________________
Answer:
a family is a group consisting of 2 parents and their children living together in a union.or all desendants of a common ancestor
2. A period is a name given to the horizontal row of the periodic table.
3.
a.mg
b.k
c.Fe
d.cu
e.Al
4.
a.Carbon
b.Chlorine
c.Gold
d.strontium
5.
a.period 1
b.period 4
c.period 5
d.period 5
6.
a.group 6
b.group 2
c.group 7
d.group 8 belong ti 1st transitional elements.
7.
a.F
b.Na
c.Ar
d.V
e.I
This answer provides definitions for chemical families (groups) and periods, symbol and name identification for a number of elements, their period and group placements within the Periodic Table, and examples of atoms of different types.
Explanation:1. In chemistry, a Family is a column of elements in the Periodic Table. They are also known as Groups and share similar chemical behavior.
2. A period in the Periodic Table is a horizontal row of elements. Each new row (or Period) signifies a new energy level in the atom's electrons.
3. The symbols for the elements are:
a. Magnesium - Mg
b. Potassium - K
c. Iron - Fe
d. Copper - Cu
e. Aluminum - Al
4. The names of the elements:
a. C - Carbon
b. Cl - Chlorine
c. Au - Gold
d. Sr - Strontium
5. The periods for the elements:
a. He (Helium) - Period 1
b. Ge (Germanium) - Period 4
c. Rb (Rubidium) - Period 5
d. I (Iodine) - Period 5
6. The groups for the elements:
a. Sulfur - Group 16
b. Ca (Calcium) - Group 2
c. Iodine - Group 17
d. Fe (Iron) - Group 8 (In the transition metals)
7. Examples of atoms based on characteristics:
a. Halogen - Fluorine(F)
b. Alkali metal - Sodium(Na)
c. Noble gas - Neon(Ne)
d. Transition metal - Iron(Fe)
e. Nonmetal - Oxygen(O)
https://brainly.com/question/35461104
#SPJ2
How do chemists express the rates of chemical reactions
Answer:
They expressed it as rate of change in concentration of reactants or products in a chemical reaction
The rate of a chemical reaction can be expressed in the terms of the increase in the concentration of product or decrease in the concentration of reactants with time.
What is the rate of the chemical reaction?The rate of reaction can be defined as the speed at which the products are formed from the reactants in the reaction. The rate of the chemical reaction offers information on how much the time reaction will be completed.
The rate of reaction can be defined as the speed of a reaction at which reactants are transformed into products. Some reactions are instantaneous, while some reactions take time to reach the final equilibrium.
A catalyst can be defined as a substance that enhances the rate of the reaction without going under any change in the reaction.
Rates of reaction are expressed as the concentration of reactant used or the concentration of product produced per unit of time. The units of rates are mol per liter or mol/L.
Learn more about the rate of reaction, here:
brainly.com/question/13571877
#SPJ2
What volume will 2.0 moles of nitrogen occupy at .947 atm and 20° C ? ____ L
The volume of 2.0 moles of nitrogen at 0.947 atm and 20° C is obtained by using the ideal gas law PV = nRT and rearranging to solve for V with appropriate unit conversions for temperature.
Explanation:To calculate the volume that 2.0 moles of nitrogen will occupy at 0.947 atm and 20° C, we can use the ideal gas law, which is PV = nRT, where P is the pressure in atmospheres (atm), V is the volume in liters (L), n is the number of moles of gas, R is the ideal gas constant (0.0821 L·atm/K·mol), and T is the temperature in Kelvin (K). To solve for V, we first convert 20° C to Kelvin by adding 273.15, resulting in 293.15 K. We then rearrange the ideal gas law to solve for V: V = (nRT)/P . Substituting in the values, we get:
V = (2.0 moles x 0.0821 L·atm/K·mol x 293.15 K) / 0.947 atm
After performing the calculations, we find the volume occupied by the nitrogen gas.
5. Hydrochloric Acid + Sodium Hydroxide à Sodium
Chloride +
HCl Acid + Sodium Hydroxide ----> Sodium Chloride + water.
Explanation:
The reaction between an acid and a base is known as a neutralization reaction. The reaction of an acid with a base to give salt, water and heat is called neutralization. When hydrochloric acid reacts with sodium hydroxide, sodium chloride and water are produced.HCl + NaOH → NaCl + H2O + Heat
The heat evolved in the neutralization reaction raises the temperature of the reaction mixture. An electro-electrodialysis process (EED) is utilized to create HCl and NaOH from exchange NaCl. NaOH and HCl arrangements with purity higher than 99.9% are acquired. The experimental estimations of the transitions for HCl and NaOH are contrasted and values determined from the incorporation of the Nernst–Planck electro dispersion conditions.does sealing a tanker car cause it to implode?
Answer:
yes
Explanation:
the build up of pressure eventually becomes to much for the tanker then yes, it will implode with a possibility of an explosion.
A 0.75M solution of CH3OH is prepared in 0.500 kg of water. How many moles of CH3OH are needed?
Answer:
We need 0.375 mol of CH3OH to prepare the solution
Explanation:
For the problem they give us the following data:
Solution concentration 0,75 M
Mass of Solvent is 0,5Kg
knowing that the density of water is 1g / mL, we find the volume of water:
[tex]d = \frac{g}{mL} \\\\ V= \frac{g}{d} = \frac{500g}{1 \frac{g}{mL} } = 500mL = 0,5 L[/tex]
Now, find moles of [tex]CH_{3} OH[/tex] are needed using the molarity equation:
[tex]M = \frac{ moles }{ V (L)} \\\\\\molesCH_{3}OH = M . V(L) = 0,75 M . 0,5 L\\\\molesCH_{3}OH = 0,375 mol[/tex]
therefore the solution is prepared using 0.5 L of H2O and 0.375 moles of CH3OH, resulting in a concentration of 0,75M
Which of the following describes an example of the atmosphere acting as a system?
its lavered structure
global wind patterns
Answer:
its lavered structure
Explanation:
Final answer:
The atmosphere acts as a system in how it manifests global wind patterns which are influenced by atmospheric pressure gradients, the rotation of the Earth, and thermal energy. The Coriolis effect and thermal activity generate geographically significant wind patterns like the trade winds. Global warming may induce alterations in these patterns.
Explanation:
Global Wind Patterns as an Atmospheric System
The earth's atmosphere behaves as a dynamic system, particularly evident through global wind patterns. These patterns are driven by complexities such as atmospheric pressure gradients, the rotation of the Earth, and thermal energy from the Sun. The resulting movement of air in response to these factors is what we call 'wind.'
For instance, in the northern hemisphere, air moves into a low-pressure region and is deflected to the right due to the Coriolis force, creating counterclockwise circulation. On the other hand, air moving away from high-pressure areas is deflected in a rightward motion as well, but this results in a clockwise circulation. The combination of rising and sinking air due to thermal activity and the Coriolis effect generates trade winds, which are essential in the global transfer of heat and moisture, impacting global climate and weather systems.
Additionally, global warming could significantly alter these atmospheric circulation patterns, potentially leading to changes in weather systems, like the distribution of precipitation and the intensity and frequency of storms.