Chemistry Final Review Part 3

Chemistry Final Review Part 3

12th Grade

•

25 Qs

quiz-placeholder

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Chemistry Final Review Part 3

Chemistry Final Review Part 3

Assessment

Quiz

•

Chemistry

•

12th Grade

•

Practice Problem

•

Medium

Created by

Arianna Deeds

Used 2+ times

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25 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Where are the numbers for a mole ratio found?

Coefficients

Subscripts

In between elements

After a compound

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the mole ratio of Ba(OH)2 to AlPO4? Balance the equation, if needed.

AlPO4 + Ba(OH) 2 -> Al(OH)3 + Ba3(PO4)2

2,3,2,1

1,2,3,2

1,2,3,4

1,1,1,1

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the mole ratio of Mg to MgCl2? Balance the equation, if needed.

Mg(s) + HCl(aq) -> MgCl2(aq) + H2(g)

1,1,1,1

1,2,1,1

2,1,2,1

1,2,1,2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

N2 + 3H2 -> 2NH3

What is the mole ratio between Nitrogen and Ammonium in the above reaction?

1:2

2:3

3:2

1:3

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

2C2H6 + 7O2 -> CO2 + 6H2O

Ethane (C2H6) combusts in the above reaction. What is the mole ratio of ethane to oxygen gas?

2:7

7:1

1:6

2:6

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

2KClO3 -> 2KCl + 3O2

How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?

10.05 mol O2

3 mol O2

2 mol O2

6.7 mol KClO3

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

2Na + 2H2O -> 2NaOH + H2

How many grams of hydrogen are produced if 120 g of Na are available?

5.27 g H2

6.32 g H2

1.01 g H2

22.99 g H2

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