Balancing equations

Balancing equations

Assessment

Flashcard

Chemistry

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a Balanced Chemical Equation (BCE)?

Back

A Balanced Chemical Equation is an equation that shows the reactants and products of a chemical reaction with equal numbers of atoms for each element on both sides.

2.

FLASHCARD QUESTION

Front

Why is it important to balance chemical equations?

Back

Balancing chemical equations is important because it follows the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction.

3.

FLASHCARD QUESTION

Front

What does the coefficient in a chemical equation represent?

Back

The coefficient in a chemical equation represents the number of molecules or moles of a substance involved in the reaction.

4.

FLASHCARD QUESTION

Front

How do you determine the coefficients for a balanced equation?

Back

To determine the coefficients, adjust the numbers in front of the chemical formulas to ensure that the number of atoms for each element is the same on both sides of the equation.

5.

FLASHCARD QUESTION

Front

What is the balanced equation for the reaction of sodium and water?

Back

2 Na + 2 H₂O → 2 NaOH + H₂.

6.

FLASHCARD QUESTION

Front

What is the balanced equation for the combustion of methane?

Back

CH₄ + 2 O₂ → CO₂ + 2 H₂O.

7.

FLASHCARD QUESTION

Front

What is the balanced equation for the reaction of silver nitrate and hydrogen sulfide?

Back

2 AgNO₃ + H₂S → Ag₂S + 2 HNO₃.

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