
Chemistry Quiz exam 2
Quiz
•
Chemistry
•
University
•
Easy
+7
Standards-aligned
julian sanchez
Used 15+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Write a balanced equation for the reaction of molecular nitrogen (N₂) and oxygen (O₂) to form dinitrogen pentoxide.
The balanced equation has 5 N₂
The balanced equation has 2 O₂
The balanced equation has 5 N₂O₅
The balanced equation has 5 N₂
None of the above
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Categorize the reaction Ca (s) + Br₂ (l) → CaBr₂ (s).
Combination and Redox
Combination only
Redox only
Decomposition and Redox
None of the above
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Balance the redox reaction in acid solution: Br₂ (l) + SO₂ (g) → Br⁻ (aq) + SO₄²⁻ (aq).
The balanced equation has 2 H⁺
The balanced equation has 1 Br⁻
The balanced equation has 2 Br₂
The balanced equation has 2 H₂O
None of the above
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the reaction: 2 Na (s) + Cl₂ (g) → 2 NaCl (s)
Sodium is the oxidizing agent
Chlorine is the reducing agent
Sodium is the oxidant
Chlorine is the reductant
None of the above
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge on nitrogen in KNO₃?
1+
2-
3-
5+
None of the above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the % Cl⁻ in a sample if 1.1324 g of the sample produces 1.0881 g of AgCl(s) when treated with excess Ag⁺ according to the balanced reaction: Ag⁺(aq) + Cl⁻(aq) → AgCl(s)?
76.24 %
0.2691 %
86.33 %
23.76 %
None of the above
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What volume of a 0.3300-M sodium hydroxide would be required to titrate 15.00 mL of 0.1500 M oxalic acid? The balanced chemical equation is: H₂C₂O₄(aq) + 2 NaOH(aq) → Na₂C₂O₄(aq) + 2 H₂O(l).
6.818 mL
0.0045 L
0.01364 L
33.00 mL
None of the above
Tags
NGSS.HS-PS1-7
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