Week 30 Flashcard

Week 30 Flashcard

Assessment

Flashcard

Chemistry

9th - 12th Grade

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?

Back

A balanced chemical equation has equal numbers of each type of atom on both sides of the equation, following the law of conservation of mass.

2.

FLASHCARD QUESTION

Front

What is the coefficient in a chemical equation?

Back

The coefficient is a number placed in front of a chemical formula to indicate how many molecules or moles of that substance are involved in the reaction.

3.

FLASHCARD QUESTION

Front

What type of reaction is represented by the equation: CH4 + 2O2 -> CO2 + 2H2O?

Back

This is a combustion reaction, where a hydrocarbon reacts with oxygen to produce carbon dioxide and water.

4.

FLASHCARD QUESTION

Front

What is an acid-base neutralization reaction?

Back

An acid-base neutralization reaction occurs when an acid reacts with a base to produce water and a salt.

5.

FLASHCARD QUESTION

Front

What is a synthesis reaction?

Back

A synthesis reaction is a type of chemical reaction where two or more reactants combine to form a single product.

6.

FLASHCARD QUESTION

Front

What does the symbol (s) indicate in a chemical equation?

Back

The symbol (s) indicates that the substance is in a solid state.

7.

FLASHCARD QUESTION

Front

What does the symbol (g) indicate in a chemical equation?

Back

The symbol (g) indicates that the substance is in a gaseous state.

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