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Quizz 2 Post

Authored by Jason Wong

Chemistry

University

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Quizz 2 Post
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

1.      We have 3mol N2 gas and 10mol H2 gas, how many moles of ammonia can be formed?

N2 + 3H2 -> 2NH3

3

4

6

5

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

1.      If water is added to 175 mL of a 0.45 M KOH solution until the volume is 250 mL, what will the molarity of the diluted solution be?

.315

.415

.234

.45

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the limiting reactant if you have 48g of oxygen gas and 16g H2?   2H2 + O2  ->  2 H2O  

Oxygen

Hydrogen

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If 5 mol of both hydrochloric acid and sodium sulfide are reacted, how many moles of H2S are produced?

2HCl + Na2S -> H2S + 2NaCl

1 mol

1.25 mol

2.5 mol

5 mol

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What volume of 10 M H2SO4 is required to prepare 4.0 L of .50 M H2SO4?

.4 L

.2 L

.6 L

.8 L

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is charge of NH4

+2

-1

-2

+1

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following pairs identifies the reducing agent and oxidizing agents, respectively?

C6H8O6 + 2H+ + 2NO2- -> C6H6O6 + 2H2O + 2NO

C6H8O6 and NO2-

NO2- and C6H8O6

H+ and 2NO2-

C6H8O6 and H+

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