3 years ago

Describe at least two factors that can affect the rate of a chemical reaction.

1 answer:

3 0

Answer: Concentration or pressure of a reactant and temperature

Explanation: The two major factors that can affect the rate of a chemical change are concentration or pressure of a reactant and temperature.

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Objects 1 and 2 collide and stick together. Which best describes the momentum of the resulting single object? It is less than th

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Answer:

The answer would be D

Explanation:

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2 years ago

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a sample of ammonia contains 9g hydrogen and 42g nitrogen. another sample contains 5g hydrogen .calculate the amount of nitrogen

balandron [24]

9 g of hydrogen - 42 g of nitrogen
5 g of hydrogen - x g of nitrogen

$9x=42 \cdot 5 \\
9x=210 \\
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The mass of nitrogen in the second sample is 23.33 g.

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3 years ago

Which of the following is more electronegative:

Firdavs [7]

The answer is 1) CF3
Because: the equivalent of Fluorine is -1 so it aims to get an electron so much. which means it's electronegative.
but the equivalent of Hydrogen is +1 so it aims to give an electron. which means it's electropositive.

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2 years ago

The state of water is determined solely by the conditions of _____.

bagirrra123 [75]

Gas !!
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2 years ago

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Some table salt substitutes have potassium chloride in them. If you consume potassium chloride, are you truly eating potassium a

4vir4ik [10]

Answer:

You are consuming both

Explaination

2Na(s)+Cl two(g)

That gives us 2NaCl(s)

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2 years ago