Chapter 1. Pre-lab Experiment 6: Calorimetry

Introduction

Pre-Lab Experiment 3 Quiz
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1.1 Question 1

Consider the following hypothetical reactions

A + 2B → AB2 DH = - XX kJ

2A + 5B → A2B5 DH = - XX kJ

Question

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Consider the following hypothetical reactions

A + 3B → AB3 DH = - XX kJ

A + 4B → AB4 DH = - XX kJ

Question

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Consider the following hypothetical reactions

A + B2 → AB2 DH = + XX kJ

4A + 5B2 → 2A2B5 DH = - XX kJ

Question

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Question 2

Two solid objects, A and B, are both at room temperature and then placed in boiling water and allowed to come to temperature there. Each is then lifted out and placed in separate beakers containing 1000 g of water at 10.0 oC. Object A increases the water temperature by 1.50 oC; B also increases the water temperature by 1.50 oC. In neither case does a chemical reaction occur.

Question

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Correct.
Incorrect.

Two solid objects, A and B, are both at room temperature and then placed in boiling water and allowed to come to temperature there. Each is then lifted out and placed in separate beakers containing 1000 g of water at 10.0 oC. Object A increases the water temperature by 7.20 oC; B also increases the water temperature by 1.50 oC. In neither case does a chemical reaction occur.

Question

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Correct.
Incorrect.

Two solid objects, A and B, are both at room temperature and then placed in boiling water and allowed to come to temperature there. Each is then lifted out and placed in separate beakers containing 1000 g of water at 10.0 oC. Object A increases the water temperature by 1.20 oC; B also increases the water temperature by 6.50 oC. In neither case does a chemical reaction occur.

Question

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Correct.
Incorrect.

Question 3

The reaction between reactant A (smaller spheres) and reactant B (larger spheres) is shown in the diagram.

Question

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Question 4

Question

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Correct.
Incorrect.

Question 5

Question

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Correct.
Incorrect.

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