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Assoli18 [71]
2 years ago
10

Classify the following substances as an element,a mixture or a compound1.limestone​

Chemistry
1 answer:
vovangra [49]2 years ago
3 0

Answer: what’s your color. I wanna know oh oh oh

Explanation: Hahhhahhanahhahhajja

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s2008m [1.1K]

Answer:

no but that is what we were taught

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3 years ago
4. Why can't the subscripts be changed in a chemical equation in chemistry
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If you change the subscripts it would change the reactants or products and then you would be solving a different formula, you would change what the chemical is
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2 years ago
Some elements are liquids or gases.<br><br><br> True <br> False
gregori [183]
The answer to this ? is true
4 0
3 years ago
Consider the reaction: 2NO(g) + 2H2(g) → N2(g) + 2H2O(g) A suggested mechanism for this reaction follows: (1) NO(g) + NO(g) → N2
Dominik [7]

Hello. This question is incomplete. The full question is:

"Consider the following reaction.  2NO(g) + 2H2(g) → N2(g) + 2H2O(g)

A proposed reaction mechanism is:  NO(g) + NO(g) N2O2(g) fast  N2O2(g) + H2(g) → N2O(g) + H2O(g) slow  N2O(g) + H2(g) → N2(g) + H2O(g) fast

What is the rate expression?  A. rate = k[H2] [NO]2  B. rate = k[N2O2] [H2]  C. rate = k[NO]2 [H2]2  D. rate = k[NO]2 [N2O2]2 [H2]"

Answer:

A. rate = k[H2] [NO]2

Explanation:

A reaction mechanism is a term used to describe a set of phases that make up a chemical reaction. In these phases a detailed sequence of each step is shown, composed of several complementary reactions, which occur during a chemical reaction.

These mechanisms are directly related to chemical kinetics and allow changes in reaction rates to be observed in advance.

Reaction rate, on the other hand, refers to the speed at which chemical reactions occur.

Based on this, we can observe through the reaction mechanism shown in the question above, that the action "k [H2] [NO] 2" would have no changes in the reaction rate.

4 0
3 years ago
Most favourable conditions for electrovalency are
anygoal [31]

Answer:

I think

Explanation:

low charge of ions, large cation and small anion

7 0
3 years ago
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