Chemistry Final Exam Review

Chemistry Final Exam Review

Assessment

Flashcard

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KG

Hard

Created by

Wayground Content

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64 questions

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1.

FLASHCARD QUESTION

Front

Knowledge about what products are produced in a chemical reaction is obtained by

Back

laboratory analysis.

2.

FLASHCARD QUESTION

Front

A solid produced by a chemical reaction in solution that separates from the solution is called

Back

a precipitate.

3.

FLASHCARD QUESTION

Front

After the correct formula for a reactant in an equation has been written, the

Back

formula should not be changed.

4.

FLASHCARD QUESTION

Front

In writing an equation that produces hydrogen gas, the correct representation of hydrogen gas is

Back

H₂.

5.

FLASHCARD QUESTION

Front

According to the law of conservation of mass, the total mass of the reacting substances is

Back

always equal to the total mass of the products.

6.

FLASHCARD QUESTION

Front

A chemical equation is balanced when the

Back

same number of each kind of atom appears in the reactants and in the products.

7.

FLASHCARD QUESTION

Front

Which coefficients correctly balance the formula equation NH₄NO₂(s) → N₂(g) + H₂O(l)?

Back

1, 1, 2

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