Answer:
Floods, hurricanes, and tornadoes are all aspects of weather and not climate because climate is more related to temperature. The definition of climate is "the weather conditions prevailing in an area in general or over a long period." Floods, hurricanes, and tornadoes are not aspects of climate, they are aspects of weather.
Explanation:
Floods, hurricanes, and tornadoes are considered weather events due to their immediate and short-term nature, while climate refers to the long-term average weather patterns in a region. Weather involves day-to-day atmospheric conditions, leading to various forms of severe weather, whereas climate encompasses the general weather trends and conditions over a prolonged period.
Floods, hurricanes, and tornadoes are categorized as aspects of weather rather than climate due to their short-term occurrence and direct impact on specific regions over a brief period. Weather involves immediate atmospheric conditions, such as precipitation, wind speeds, and temperature, which can lead to the development of these extreme weather events. In contrast, climate describes the average weather conditions in a particular area over a long period, typically years or decades, encompassing patterns and trends rather than individual or short-term events. For instance, the differential heating of the Earth's surface by the Sun, which significantly influences weather patterns, can lead to the formation of severe weather phenomena like tornadoes, characterized by their funnel-shaped clouds and powerful winds, and hurricanes, known for their high winds and heavy rains forming over warm ocean waters.
The distinction between weather and climate is crucial for understanding how external forces like the Sun's heating influence Earth's atmospheric conditions, leading to immediate weather conditions and longer-term climatic trends. While floods, hurricanes, and tornadoes manifest as a result of these conditions, representing the variability and extremity of weather, climate refers to the broader, more consistent patterns that define a region's average atmospheric conditions over time.
Which statement describes a chemical property of iron?
Iron oxidizes.
Iron is a solid at STP.
Iron melts.
Iron is attracted to a magnet.
Answer:
iron oxidizes
Explanation:
Being a solid, melting, and attraction are all physical properties.
Iron oxidizes is a chemical property of iron. Hence, option A is correct.
What is a chemical property?A chemical property is a characteristic of a particular substance that can be observed in a chemical reaction.
Iron is known to react with oxygen ([tex]O_2[/tex]) in water or air moisture to form various insoluble iron oxide compounds described commonly as rust; there are sixteen known iron oxides and oxyhydroxides.
The most common iron oxides are ferrihydrite ([tex]Fe_2O_30.5H_2O[/tex]), hematite ([tex]Fe_2O_3[/tex]) and magnetite ([tex]Fe_3O_4[/tex]).
Hence, option A is correct.
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How can the solubility of a gas in a liquid be increased?
THIS IS A SCIENCE QUESTION NOT A CHEMISTRY QUESTION! Why does the same side of the moon always face Earth?
the rotational period of Earth is the same as that of the moon
the rotational period of Earth is equal to one revolution around Earth
the rotational period of the moon is equal to one revolution around Earth
the rotational period of the moon is different than one revolution around Earth
Answer:
I belive it is C. but im not 100% sure.
Explanation:
D
Question 3
1.25 pts
An increase in temperature in a system causes and
Increase in both entropy and enthalpy.
decrease in both entropy and enthabu
increase in entropy and a decrease in
decrease in entropy and an increase
enthal
Answer:
d
Explanation:
this is the last week of school for me and i need help pleaseee !!
Answer the following prompt in a CER format:
Cold Packs are often used to treat injuries. Cold Packs are designed in such a way that
when the pack gets snapped, it breaks the vessel allowing all of the reactants to mix.
Upon mixing the pack gets very cold. Is the reaction in the cold pack an endothermic or exothermic reaction. Write a CER to defend your answer.
Answer:
The reaction in the cold pack is an endothermic reaction
Explanation:
An endothermic reaction is a reaction that absorbs energy (heat) from the surrounding to supply the required energy of activation that allows the occurrence of the reaction
Therefore, when a reaction is endothermic, it boundary or the system where the reaction is occurring feels cold to touch
Hence, the reaction in the cold pack is an endothermic reaction.
The reaction in a cold pack is exothermic, as it releases heat energy to create the cooling effect.
Explanation:Cold packs are designed to treat injuries by providing a cooling effect. When the pack is snapped, a chemical reaction occurs inside the pack, resulting in the release of cold temperatures. This reaction is exothermic because it releases heat energy to the surroundings.
Inside the cold pack, there are reactants separated by a barrier. When the pack is snapped, the barrier breaks, allowing the reactants to mix. One common reactant in cold packs is ammonium nitrate, and when it is mixed with water, it undergoes an exothermic reaction. This reaction releases energy in the form of heat, making the pack feel cold.
In conclusion, the reaction in a cold pack is exothermic because it releases heat energy, resulting in the pack feeling cold when activated.
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Question 14
The average person in one minute exhales 2.5 g of CO2. How many molecules of CO2 are exhaled?
Answer:
.15625
Explanation:
for each gram there is .0625 molecules
What does it mean if something is insoluble
Answer:
insoluble simply means something that cannot be dissolved in water (:
Compared with Earth, the Moon has a surface that is geologically less active. For example
A.
both the Moon and the Earth have continents that move around.
B.
the Moon has many active volcanoes, while the Earth has none.
C.
the Moon has no active volcanoes, while the Earth has many.
D.
the Moon has continents that move around, while the Earth does not.
1. What is an ecosystem!
A :All the living things on Earth
B:All the nonliving things on Earth
C:All the plants and animals that interact with each other on Earth
D:All the living and nonliving things in a place or region that interact
with each other
Answer:
The answer is D.
Explanation:
Answer:
D. All the living and nonliving things in a place or region that interact
with each other
How do yo know when your in love ?
Answer:
Play the 24 signs you're falling in love bingo I attached lol (I hope this isn't for school)
Explanation:
An electron-pair acceptor is:
Lewis acid.
Lewis base
Arrhenius acid
Brønsted-Lowry base
Answer:
number3
Explanation:
Which of these is a physical property?
A malleable
B easy to digest
C does not burn
D become moldy quickly
Answer:
malleable
Explanation:
able to be bended into shape
periods on the periodic table are
Answer:
Periods on the periodic table of elements
Explanation:
In the periodic table of elements, there are seven horizontal rows of elements called periods. The vertical columns of elements are called groups, or families. (See also The Periodic Table: Metals, Nonmetals, and Metalloids.) In each period (horizontal row), the atomic numbers increase from left to right.
A solution is observed to have a sour taste, it turns litmus paper a pinkish/red color, and is
corrosive to living tissue. Which relationship between ions shown below is correct for this
solution?
A.)[H'] > [OH']
B.)[H') <[OH']
C.)[H] = [OH)
D.)More information is needed
Answer:
Option (A.) [H+] > [OH-]
Explanation:
From the question given, we understood that the solution is:
1. Has a sour taste.
2. It turns litmus paper into pinkish /red.
3. It corrosive to living tissue.
The above information proofs that the solution is acidic because all the listed characters of the solution are exactly the characteristics of an acid solution.
Since the solution is acidic, it therefore means that the concentration of Hydrogen ion, [H+] is more than the concentration of Hydroxide ion, [OH-] .
Option A gives the correct answer to the question.
Answer:
The correct option is;
A.) [H⁺] > [OH⁻]
Explanation:
The given properties of the solution are;
1, Turns litmus paper pinkish/red
2. Corrosive to living tissue
Since the solution turns the litmus paper red, we recall that blue or neutral litmus paper turns to red when placed in an acid solution, therefore, the solution is an acid
We are also given that the solution is corrosive to living tissue, therefore, the solution is a strong acid
Fromm the above, the number of hydrogen ions, [H⁺] in the solution is much more than the number of hydroxyl ion [OH⁻]
Hence, the correct option is A.) [H⁺] > [OH⁻].
Ernest Rutherford discovered that atoms were mostly:
Negatively charged
Positively charged
Electrons
Empty space
Answer:
The answer is positively charged.
Explanation:
The Rutherford model supplanted the atomic model of English physicist Sir J.J. Thomson, in where the electrons were set in a positively charged atom.
4NH3(g) + 3O2(g) --> 2N2(g) + 6H2O(l)
H = 1530.4 kJ
If the temperature of this system is increased, then the equilibrium will shift to the _______ and the amount of N2 gas will _________.
a. left, increase
b. left, decrease
c. right, decrease
d. right, increase
Answer:
its D
Explanation:
Hello, can someone help me? Please
Which velocity changed the most?
Answer:
A
Explanation:
Since acceleration is the change of velocity and f=ma, the change in velocity is dependent on force and mass. Since the force on all of the objects is the same, the one with the least mass will accelerate the most. Object A is the least massive at a mass of 0.5kg, meaning that its velocity will change the most. Hope this helps!
pH revolves around a ‘point of focus’ we call what ______________?
Answer:
Equivalence point
Explanation:
In most cases, this point has a pH value of 7, but can vary
Answer:
The answer to this question is the equivalence point which has a pH of 7. It is neither acidic or basic. Therefore, it is an equivalence point.
What is true of a compound?
It does not always retain the properties of the substances that make it up
It requires electrical energy to make
It requires heat energy to make
It must have water as one of its components
Answer:
It does not always retain the properties of the substances that make it up
Explanation:
Answer:
A/1
Explanation:
Compounds do NOT always retain the properties of the substances that make it up.
Which type of material becomes molten rock at subduction zones?
Answer:
Heavy plates
Explanation:
Took the test, sorry.
Select the correct answer.
An inflatable toy starts with 1.05 moles of air and a volume of 5.17 liters. When fully inflated, the volume is 8.00 liters. If the pressure and
temperature inside the toy don't change, how many moles of air does the toy now contain?
A
2.05 mol
B. 1.62 mol
C. 1.55 mol
D. 0.679 mol
Answer:
b
Explanation:
which of the following would form a heterogeneous mixture?
A. A mixture of a solute and a solvent
B. A mixture of polar and non polar liquids
C. A mixture of an electrolyte and water
D. A mixture of two soluble liquids
Answer:
A. A mixture of a solute and a solvent
Explanation:
The composition of the solute dissolved in the solvent to form the solution that is not uniform and same throughout the solution of the mixture is a heterogeneous mixture.
Answer:
B
Explanation:
Like dissolves like. A mixture of polar and no polar liquids wouldn't mix because they are dissimilar. So it would be like water and oil.
Also cuz I just did the quiz and it was right.
The summer is caused by __________.
Which phrase best completes the sentence?
Earth's far distance from the sun
direct sunlight striking Earth
Earth's closeness to the sun
indirect sunlight striking Earth
Answer:
direct sunlight striking earth
Explanation:
The seasons are caused by Earth's axis of rotation. The poles are farther away from the direct beam of sunlight, so they are normally much colder than the equator.
When a part of the globe is in direct sunlight, it gets hotter, logically, and we call that season summer.
What are you doing when you're making sound?
Causing air pressure to drop.
Causing electromagnetic waves to radiate.
Causing photons to travel.
Causing air molecules to vibrate.
1. Given below are the figures showing particles of a matter in its three
states at the same temperature and pressure and contained in separate
containers of the same volume. The circles indicate the particles in the
three states of a matter.
O
0
O
O
0
O
o
o
o
O
0000000
0000000
0000000
0000000
oooo
O
(iii)
Which figure shows minimum attraction between the particles of the
matter?
(a) Figure (i)
(b) Figure (ii)
(c) Figure (iii)
(d) The figures do not indicate any thing about the inter particle
attraction.
Answer:the answer is c
Explanation:
According to the forces of attraction,figure 1 shows minimum attraction between the particles of the matter.
Forces of attraction is a force by which atoms in a molecule combine. it is basically an attractive force in nature. It can act between an ion and an atom as well.It varies for different states of matter that is solids, liquids and gases.
The forces of attraction are maximum in solids as the molecules present in solid are tightly held while it is minimum in gases as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.
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How many moles of NaCl are present in 530 ml of a 1.52m NaCl solution
Answer:
805.6 moles
Explanation:
Molarity = 1.52mL
Volume = 530mL
1.52 moles is present in 1mL,
1mL = 0.001L
1.52 moles = 0.001L
X moles = 0.53L
X = (1.52 × 0.53) / 0.001
X = 805.6moles
805.6moles is present in 530mL or 0.52L
Describe at least three ways our understanding of the atom has changed. See the hint in the reference image.
Our understanding of the atom has changed through the discovery of subatomic particles, the development of quantum theory, and advancements in imaging technology.
Explanation:Our understanding of the atom has changed significantly over time. Here are three ways our understanding has evolved:
The discovery of subatomic particles: In the early 20th century, scientists such as J.J. Thomson, Robert Millikan, and Ernest Rutherford conducted experiments that led to the discovery of electrons, protons, and neutrons. This helped establish the idea that atoms are composed of smaller particles.The development of quantum theory: In the early 20th century, quantum theory revolutionized our understanding of atoms by explaining the behavior of electrons. It introduced the concept of electron energy levels and the wave-particle duality of electrons.Advancements in imaging technology: With the development of scanning tunneling microscopes and other imaging techniques, scientists have been able to directly observe individual atoms and molecules. This has provided insights into their structures and arrangements.Learn more about Evolution of Atomic Theory here:https://brainly.com/question/1156232
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Which liquid has the strongest base?
Liquid A-pH of 4.0
Liquid B-pH of 7.0
Liquid C- pH of 8.0
Liquid D-pH of 11.0
Answer:
water
Acidity and basicity are usually determined in a solvent. The strongest acid in the solvent is always the conjugate acid of the solvent and the strongest base is the conjugate base of the solvent. So, in water, the strongest acid is H3O+ and the strongest base is OH- (conjugate base of water).
How should the student label each circle in this diagram?
reaction A: chemical; reaction B: nuclear
reaction A: nuclear; reaction B: chemical
reaction A: strong nuclear; reaction B: weak nuclear
reaction A: weak nuclear; reaction B: strong nuclear
Answer:
Reaction A: Chemical; reaction B; nuclear
Explanation: Hope this helps :)
The diagram will be labelled as reaction A: chemical reaction , B: nuclear reaction.
What is a nuclear reaction ?The reactions that involve change in the identity or characteristics of an atomic nucleus, induced by bombarding it with an energetic particle.
The bombarding particle may be an alpha particle, a gamma-ray photon, a neutron, a proton, or a heavy ion.
In the given diagram , It can be seen that in the first circle it is written that it happens outside the nucleus , electrons are involved and less energy is released , these are the traits of a chemical reaction
In the second circle it can be seen that neutrons are involved , the reaction is happening inside the nucleus and relatively large amount of energy is released, these are the traits of a nuclear reaction.
Therefore the diagram will be labelled as reaction A: chemical reaction B: nuclear reaction
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The movement of rocks and soil is an
example of...
O erosion
O weathering
O deposition
Answer:
its weathering
Explanation:
brainliest please