Semester Two Chemistry Review

Semester Two Chemistry Review

Assessment

Flashcard

Science

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is molality?

Back

Molality (m) is a measure of the concentration of a solute in a solution, defined as the number of moles of solute per kilogram of solvent.

2.

FLASHCARD QUESTION

Front

How do you calculate molality?

Back

Molality = moles of solute / kilograms of solvent.

3.

FLASHCARD QUESTION

Front

What is the formula to find moles from molarity and volume?

Back

Moles = Molarity (M) x Volume (L).

4.

FLASHCARD QUESTION

Front

What is the relationship between pH and pOH?

Back

pH + pOH = 14.

5.

FLASHCARD QUESTION

Front

What does a pH greater than 7 indicate?

Back

A pH greater than 7 indicates a basic (alkaline) solution.

6.

FLASHCARD QUESTION

Front

What does a pH less than 7 indicate?

Back

A pH less than 7 indicates an acidic solution.

7.

FLASHCARD QUESTION

Front

What happens to the molecules in a substance when thermal energy is added?

Back

The molecules move faster and space themselves farther apart.

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