Chemistry Term 2 Review Practice

Chemistry Term 2 Review Practice

Assessment

Flashcard

Chemistry

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a basic substance?

Back

A basic substance is one that has a pH greater than 7 and can accept protons (H+) or donate electron pairs in reactions. Example: Baking soda (sodium bicarbonate) is a basic substance.

2.

FLASHCARD QUESTION

Front

What is the significance of q in thermodynamics?

Back

In thermodynamics, q represents the heat energy transferred in a process. It can be measured in joules (J).

3.

FLASHCARD QUESTION

Front

What happens to the surroundings in an exothermic process?

Back

In an exothermic process, the surroundings gain energy as heat is released by the system.

4.

FLASHCARD QUESTION

Front

What is the boiling point of a liquid?

Back

The boiling point is the temperature at which a liquid's vapor pressure equals the external pressure surrounding the liquid, causing it to change into vapor.

5.

FLASHCARD QUESTION

Front

What is hydrogen bonding?

Back

Hydrogen bonding is a type of dipole-dipole attraction that occurs between molecules when hydrogen is bonded to highly electronegative atoms like oxygen, nitrogen, or fluorine.

6.

FLASHCARD QUESTION

Front

What is an acid?

Back

An acid is a substance that donates protons (H+) when dissolved in water, resulting in the formation of hydronium ions (H3O+).

7.

FLASHCARD QUESTION

Front

What is a base?

Back

A base is a substance that can accept protons (H+) or donate electron pairs in reactions, often resulting in the formation of hydroxide ions (OH-) in water.

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