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3 years ago

Have heat waves ever affected the world in a way? Explain.

Chemistry

1 answer:

lubasha [3.4K]3 years ago

5 0

Answer: Yes, they have.

Explanation: The frequency, severity, and length of heat waves are increasing. Heat and humidity already kill an average of 1,300 people in the U.S. each year. Deadly heat waves of at least 20 days affect 30% of the earth's population. That will increase to 75% by 2100 if global warming isn't stopped.

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Balance the following reaction. A coefficient of "1" is understood. Choose option "blank" for the correct answer if the

choli [55]

Answer:

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3 years ago

When a physical change in a sample occurs, which of the following does NOT change?

Vanyuwa [196]

I think thee correct answer from the choices listed above is option D. <span>When a physical change in a sample occurs, composition of the sample does not change. It stays the same. Also, the properties of the sample will still be the same. Hope this answers the question.</span>

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3 years ago

Read 2 more answers

The balanced equation for a hypothetical reaction is a + 5b + 6c → 3d + 3e. what is the rate law for this reaction? rate = k [a]

nekit [7.7K]

<u>Answer: </u>The correct rate of the reaction is $Rate=k[a][b]^5[c]^6$

<u>Explanation:</u>

Rate law of the reaction is the expression which expresses the rate of the reaction in the terms of the molar concentrations of the reactants with each term raised to the power of their respective stoichiometric coefficients in a balanced chemical equation.

For the given reaction:

$a+5b+6c\rightarrow 3d+3e$

The expression for the rate law will be: $Rate=k[a][b]^5[c]^6$

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4 years ago

1. How is a bicycle race like a chemical reaction? The Tour de France is one of the most famous bicycle races in the world. It i

MrRa [10]

During the riding of the steep mountain, the body needs more energy because going up consume more energy and oxygen due to additional effect of gravity on your momentum.

<h3>What is the effect of cycling?</h3>

Cycling is a good exercise as swimming, while cycling, happy hormones are released like dopamine and serotonin.

The primary forces that work while cycling are gravity, friction, rolling resistance, and air resistance.

Thus, During the riding of the steep mountain, the bod needs more energy because going up consume more energy and oxygen due to additional effect of gravity on your momentum.

Learn more about effect of cycling

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2 years ago

Chemical energy sources are often portable and provide large amounts of energy. Fossil fuels are one kind of chemical energy sou

konstantin123 [22]

Answer:You can reduce our carbon footprints by using renewable energy,

Explanation:

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2 years ago