Unit 4 - AP Chemistry

Unit 4 - AP Chemistry

Assessment

Flashcard

Chemistry

11th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a conjugate acid-base pair?

Back

A conjugate acid-base pair consists of two species that differ by the presence of a proton (H+). For example, CH₃CH₂COOH (acid) and CH₃CH₂COO⁻ (conjugate base) are a conjugate pair.

2.

FLASHCARD QUESTION

Front

What is the net ionic equation for the precipitation reaction between sodium carbonate and magnesium sulfate?

Back

CO₃²⁻ + Mg²⁺ → MgCO₃ (s) is the net ionic equation, showing only the ions that participate in the formation of the precipitate.

3.

FLASHCARD QUESTION

Front

What happens to an atom that loses electrons during a chemical reaction?

Back

The atom is oxidized.

4.

FLASHCARD QUESTION

Front

How is an acid defined in chemistry?

Back

An acid is defined as a proton donor.

5.

FLASHCARD QUESTION

Front

What is the conjugate base of H₂SO₄?

Back

The conjugate base of H₂SO₄ is HSO₄⁻.

6.

FLASHCARD QUESTION

Front

What is the definition of oxidation in a chemical reaction?

Back

Oxidation is the process in which an atom or molecule loses electrons.

7.

FLASHCARD QUESTION

Front

What is the definition of reduction in a chemical reaction?

Back

Reduction is the process in which an atom or molecule gains electrons.

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