Answer:
The amount of sunlight and rainfall in different climates determines the climate temperature and humidity hence the majority of the factors of a climate
Explanation:
The climate of a place is its average weather condition, such as the temperature, snow and rainfall, wind etc. The factors that determines the climate of a region includes the amount of sunlight received, the height above sea level etc
The amount of sunlight determines the amount of heat energy received at a location and hence the temperature of the climate
The amount of rainfall will determine how wet or cold a place as well as the dissipation of the energy from the sun.
Therefore, the amount of sunlight and rainfall in different climates determine the climate temperature and humidity and other dependent climate factors.
The amount of sunlight and rainfall in different climates determines the climate temperature and humidity hence the majority of the factors of a climate. The amount of rainfall and sunlight changes the weather as follows:-
More sunlight more humidity and a warm climateMore rainfall more humidity and damp and colder climate
The climate of a place is its average weather condition, such as the temperature, snow and rainfall, wind etc.
The factors that determine the climate of a region includes the amount of sunlight received, the height above sea level etc
The amount of sunlight determines the amount of heat energy received at a location and hence the temperature of the climate and the amount of rainfall will determine how wet or cold a place as well as the dissipation of the energy from the sun.
Therefore, the amount of sunlight and rainfall in different climates determine the climate temperature and humidity and other dependent climate factors.
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Calculate the percent yield for the reaction above if 25.0 grams of
H2SO4 was actually produced and the theoretical yield was predicted to be 42.0 grams. (% yield = Actual/ theoretical x 100)
SO3(g) + H200 H2SO4(9)
O 59.5
O 168
O 0.595
O 1.68
Answer:
A. 59.5
Explanation: actual divided by theoretical times 100 equals percent yield so 25/42 times 100 is 59.5 ish
One side of a cube is 5 cm long. What is the cube's volume?
5
15
25
125
Answer: 125
Explanation: volume is l x w x h and if its a cube then length, width and the height will be the same so its just 5 x 5 x 5
dark matter causes objects to what
Answer:
Dark matter does not really affect objects to do anything really, but it is know to be very dense in gravitational pull and does not emit any radiation.
Explanation:
How many years about was most of North America in the southern hemisphere?
Which is the correct order of the celestial
bodies during a solar eclipse?
A. Sun, Moon, Earth
B. Sun, Earth, Moon
C. Moon, Earth, Sun
D. Moon, Sun, Earth
Answer:
Which is the correct order of the celestial
bodies during a solar eclipse?
A. Sun, Moon, Earth the right answer good luck
CAN SOMEONE PLEASE HELP ME I DON’T UNDERSTAND :(
Answer:
A supersaturated solution
N each reaction box, place the best reagent or reactant from the list below. reagents may be used more than once or not at all. draw the intermediate products b and c (both are neutral; omit byproducts).
Answer:
See explaination
Explanation:
See attachment for the drawing of the intermediate products b and c (both are neutral; omit byproducts).
The ____ can be described as the basic unit of life. (2 points) atom neutron cell nucleus
Answer:
the cell can be the described as the basic unit of life
Which is most likely an effect of long-term environmental changes
Answer:
adaptation
extinction
speciation
Explanation:
Answer:
D
Explanation:
Danielle has blonde hair. Her mother has blonde hair and her father has brown.
Which explains how danielle inherited her hair color
Answer: She inherited a chromosome that carries an allele for hair color from each parent.
Explanation: took test - this answer is correct on Edg
Answer:
D is the answer :)
True or False: Water molecules "stick together" due to hydrogen bonds.
Answer:
True
Explanation:
To begin with,
Hydrogen bonds are attractions that contain a force caused by the difference in charge. This is due to the positive hydrogen ions as well as slightly negative ions. Therefore, hydrogen bonds make water molecules 'sticky.' To add, the attractions between hydrogen bonds are weaker than ionic and covalent bonds but strong enough to cause them to 'stick together'
Hope this helps.
Which kind of investigations are meant to provide lager amounts of information about a wide range of variables
A. Hypothesis
B. Experimental
C. Descriptive
D. Comparative
Answer:
comparative
Explanation:
Comparative research, simply put, is the act of comparing two or more things with a view to discovering something about one or all of the things being compared. This technique often utilizes multiple disciplines in one study.
If a student wanted to find a diagram of the human reproductive system in his/her science textbook, which part of the book should be looked at FIRST?
A) appendix
B) bibliography
C) glossary
D) index
Answer:D)index
Explanation:
How would you describe a particle of alpha radiation?
-a helium atom with no neutrons
-an electron ejected from a neutron
-a highly energized light particle, or photon
-a helium nucleus with no electrons
Answer:
A helium atom with no neutrons
Please HELP
Can more than just one electron transfer to form an ionic compound? Explain and give an example
Answer: Yes , in [tex]MgCl_2[/tex], two electrons from magnesium are transferred to chlorine atoms.
Explanation:
Ionic compound is formed by the transfer of electrons. For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.
For example : For formation of [tex]MgCl_2[/tex]
Electronic configuration of magnesium:
[tex][Mg]=1s^22s^22p^63s^2[/tex]
Magnesium atom will loose two electrons to gain noble gas configuration and form magnesium cation with +2 charge.
[tex][Mg^{2+}]=1s^22s^22p^63s^0[/tex]
Electronic configuration of chlorine:
[tex][Cl]=1s^22s^22p^63s^23p^5[/tex]
Chlorine atom will gain one electron to gain noble gas configuration and form chloride ion with -1 charge.
[tex][Cl^-]=1s^22s^22p^63s^23p^6[/tex]
In Magnesium chloride two electrons from magnesium metal gets transferred to two chlorine atoms and thus [tex]MgCl_2[/tex] is formed.
Which of the following BEST explains how matter and energy cycle through ecosystems?
Answer:
A
Explanation:
what total mass of a 16 gram sample of 60Co will remain unchanged after 15.9 years
Answer:
2 g
Explanation:
The concentration of an acid or base is defined as the ratio of the amount of
O A. solvent to the amount of solute in a solution
O B. conjugate acid to conjugate base
O C. conjugate base to conjugate acid
OD. solute to the amount of solvent in a solution
The concentration of an acid or base is the ratio of the amount of solute to the amount of solvent in a solution, which is option D.
Explanation:The concentration of an acid or base is defined as the ratio of the amount of solute to the amount of solvent in a solution. This means that the correct answer is D. solute to the amount of solvent in a solution. When looking at a solution of an acid or base, you may also consider the number of H+ or OH- ions present in the formula to understand the actual concentration of H3O+ or OH- ions, which can differ from the overall concentration of the acid or base.
"The correct answer is D. solute to the amount of solvent in a solution.
The concentration of an acid or base, or any solution, is typically expressed as the amount of solute present in a given amount of solvent. The solute is the substance that is dissolved in the solvent, which is the substance that does the dissolving. In the context of acids and bases, the concentration is often given in terms of molarity (moles of solute per liter of solution), molality (moles of solute per kilogram of solvent), or other concentration units.
In this expression, the amount of solute (n) is divided by the volume of the solution (V), which includes both the solute and the solvent. This ratio gives us the concentration of the solute in the solvent.
The other options provided are incorrect for the following reasons:
Option A (ratio of the amount of solvent to the amount of solute) is the inverse of the correct definition of concentration.
Option B (ratio of the conjugate acid to the conjugate base) refers to the acid dissociation constant (Ka) for acids or the base dissociation constant (Kb) for bases, which are measures of the strength of an acid or base, not its concentration.
Option C (ratio of the conjugate base to the conjugate acid) is also related to the strength of an acid or base in terms of its equilibrium constant, not its concentration.
Therefore, the correct definition of the concentration of an acid or base solution is the ratio of the amount of solute to the amount of solvent, which corresponds to option D."
Determine whether each substance will sink or float in corn syrup, which has a density of 1.36 g/cm3. Write “sink” or “float” in the blanks. Gasoline: Water: Honey: Titanium:
Answer:
Here's what I get
Explanation:
A substance with ρ < 1.36 g/cm⁻³ will float on corn syrup.
A substance with ρ > 1.36 g/cm⁻³ will sink in corn syrup
[tex]\begin{array}{rrr}\textbf{Substance} & \mathbf{\rho/g\cdot \textbf{cm}^{-3}}& \textbf{Sink/Float}\\\text{Gasoline} & 0.75 & \text{Float}\\\text{Water} & 1.00 & \text{Float}\\\text{Corn syrup} & 1.36 & -\\\text{Honey} & 1.42 & \text{Sink}\\\text{Titanium} & 4.54 & \text{Sink}\\\end{array}[/tex]
Answer:
Gasoline and water floats, Honey and Titanium sinks.
Explanation:
A chemist is analyzing a substance known to be an Arrhenius acid. Which of the following substances could it be?
a) HNO3
b) H2O
c) KOH
d) NH3
Answer:
HNO3
Explanation:
Nitric Acid is an example of an Arrhenius acid.
Final answer:
HNO₃ (nitric acid) is the only substance among the listed options that qualifies as an Arrhenius acid as it increases the concentration of H+ ions in aqueous solutions.
Explanation:
An Arrhenius acid is a substance that increases the concentration of H+ ions in water, which usually results in the formation of hydronium ions (H₃O+). Given the choices provided, the substance that qualifies as an Arrhenius acid is HNO₃ (nitric acid). This is because HNO₃ dissociates in water to produce H+ ions and NO₃⁻ ions.
a) HNO₃ - This is an Arrhenius acid as it produces H+ ions when dissolved in water.
b) H₂O - Water is not an Arrhenius acid; it is neutral, acting as an acid or a base under different conditions.
c) KOH - Potassium hydroxide is an Arrhenius base because it increases the concentration of OH- ions in solution.
d) NH₃ - Ammonia is considered a Brønsted-Lowry base, but not an Arrhenius acid or base, as it does not produce OH- ions in solution.
Angle of incidence and refraction for air at 0 degrees?
Answer:
zero
Explanation:
When the air is zero degrees then it implies that the air is travelling at an perpendicular to the normal direction.
Therefore, the angle of incidence would be zero degree and in relation to that the angle of reflection and refraction would also be zero degree as per the laws of reflection.
In other ways it can be said that the light goes un-deviated.
Atoms of _______ lose electrons to empty their outer electron shells and become ________ ions.
A. None of these
B. metals, negative
C. nonmetals, negative
D. metals, positive
Atoms of metal lose electrons to empty their outer electron shells and become positive ions.
What is metal ?A metal is a substance that has a shiny look when freshly processed, polished, or shattered, and conducts electricity and heat rather effectively. Generally speaking, metals are malleable and ductile. These characteristics are the outcome of the metallic link between the metal's atoms or molecules.
According to popular belief, the term "metal" originated during the hippy era, when "heavy" denoted profundity or seriousness. Metal music is centered on a few essential elements.
Atomic components like electrons, neutrons, and protons make up metals. The quantity of protons in an atom can be used to identify it from an atom of another element.
Thus, option D is correct.
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The diagram below shows the wavelengths and frequencies for the various regions of the electromagnetic spectrum. Based on the visible light spectrum, which of the following has the longest wavelength? A. a ray of green light B. a ray of violet light C. a ray of blue light D. a ray of orange light
D.
a ray of violet light
Explanation:
Which of the following Substances would have the highest vapor pressure at 298 K?
A) propanol (b.p.= 97 °C)
B) acetone (b.p.=56°C)
C) benzene (b.p. = 80°C)
D) chloroform (b.p. = 61°C)
Answer:B
Explanation:Because acetone has the lowest boiling point of the options given,it also has the weakest intermolecular forces and will therefore have the highest vapor pressure
"acetone (b.p.=56°C)" would be the highest vapor pressure.
The maximum vapor pressure would be found at the lowest temperature. Acetone seems to have the smallest intermolecular hydrogen bonding and therefore the greatest evaporation rate.Acetone seems to have the different boiling points of something like the choices shown. As a result, acetone seems to be the right answer, while the other answers are erroneous even though they have greater boiling pressures than acetone.Thus the above option i.e., "alternative B" is correct.
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What type of reaction occurs when H+ reacts with OH-
Answer:
acid/base reaction
Explanation:
H+ is acid
OH- is base
Know base and acid properties.
- Hope that helps! Please let me know if you need further explanation.
Answer:
neutral.
this is because the concentration between hydrogen and hydroxide is equal
Explanation:
The reaction forms water
When air near Earth's surface is heated, it rises, taking heat with it. The type of energy transfer involved here is called *
Convection, conduction or radiation
Please choose an accurate answer and explain
Answer: The heat moves through the atmosphere through the process of radiation.
Explanation:
There are three modes of transfer:
1. Conduction: This type of heat transfer happens when there is direct contact between the two object.
2. Radiation: This type of heat transfer happens when there is direct transfer of energy through space.
3. Convection: This type of heat transfer happens when there is a movement of fluid (liquid or gas) in which convection currents are produced due to the movement of hot fluid upwards and cold fluid downwards.
Thus heat moves through the atmosphere through the process of radiation
Is the melting of Arctic ice an example of
positive feedback or negative feedback?
Explain
Answer:
here is your answer buddy
Ice-albedo feedback is a strong positive feedback in the climate system. Warmer temperatures melt persistent ice masses in high elevations and upper latitudes. Ice reflects some of the solar energy back to space because it is highly reflective.
Explanation:
please mark me as brilliant
What is the electron configuration of a potassium ion when it has formed an ionic bond with a bromine ion?
A. [2.8.2]-
B. [2.8.8]-
C. [2.8.8]+
D. [2.8]+
A. [2.8.2]- exists the electron configuration of a potassium ion when it contains created an ionic bond with a bromine ion.
What is Electron configurations?Electronic configuration, also named electronic structure, is the arrangement of electrons in energy levels about an atomic nucleus. According to the older shell atomic model, electrons occupy several groups from the first shell nearest the nucleus, K, through the seventh shell, Q, distant from the nucleus.
Electron configurations exist as the summary of where the electrons are around a nucleus
A. [2.8.2]- exists the electron configuration of a potassium ion when it contains created an ionic bond with a bromine ion.
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can somebody help me with chemistry ?
Answer:
Sure!
A) Base
A) it will conduct electricity
Explanation:
To answer your question:
Phenolphthalein is one of the most widely used indicator in acid–base titrations. In titration setting, it turns colorless in acidic solutions and pink in basic solutions.
Thus the cleaning solution is A) Base
Another way to know it is a base is by looking at pH.
pH scale is 0-14 (0-6 Acidic, 7 Neutral, 8-14 basic) thus since cleaning solution has pH of 9.6 it falls under the pH range of 8-14 which is basic, hence your solution is basic.
HNO3 is a strong acid hence when put it in water it dissociates into ions. IONS are required to transmit electricity hence HNO3 will conduct electricity
If 153.48 mL of hydrogen is collected at 14.0 degrees C and 973 kPa, what will be its volume at STP?
Answer:
1.53 L.
Explanation:
Given,
Volume pf hydrogen, V₁ = 153.48 mL = 0.15348 L
Temperature, T₁ = 14°C = 273+14 = 287 K
Pressure,P₁ = 973 kPa
1 atm = 101.325 kPa
973 kPa = 9.60 atm
At STP
P₂ = 1 atm
T₂ = 25° C = 273+25 = 298 K
V₂ = ?
Now,
[tex]\dfrac{P_1V_1}{T_1}=\dfrac{P_2V_2}{T_2}[/tex]
[tex]\dfrac{9.60\times 0.15348}{287}=\dfrac{1\times V_2}{298}[/tex]
[tex]V_2 = 1.53\ L[/tex]
Hence, the volume at STP is 1.53 L.