Unit 3 Part 2 Review

Unit 3 Part 2 Review

Assessment

Flashcard

Chemistry

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

Student preview

quiz-placeholder

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the little number after an element in a chemical equation called?

Back

Subscript

2.

FLASHCARD QUESTION

Front

What is the theoretical yield of a reaction if 75.0g P4 produces 110g PCl3?

Back

33%

3.

FLASHCARD QUESTION

Front

What law governs the balancing of chemical equations?

Back

Law of Conservation of Matter/Mass

4.

FLASHCARD QUESTION

Front

For the balanced reaction: 3 Mg + 1 Fe2O3 → 3 MgO + 2 Fe; what is the ratio of moles of MgO to moles of Fe?

Back

3 mol MgO / 2 mol Fe

5.

FLASHCARD QUESTION

Front

In the reaction 2H2 + O2 → 2H2O, how many moles of oxygen are consumed if 8 moles H2 are used?

Back

4

6.

FLASHCARD QUESTION

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate the number of molecules or moles of that substance.

7.

FLASHCARD QUESTION

Front

Define 'mole' in chemistry.

Back

A mole is a unit of measurement used to express amounts of a chemical substance, equivalent to 6.022 x 10^23 particles.

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?