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Heat released in reaction (q)

Heat released in reaction (q)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Heat released in reaction (q)

Certainly! Here is the transcription of the table along with a description of any graphical elements: --- ### Experimental Data Table #### Trial Information - **Trial No.**: 1, 2, 3 #### Masses: 1.00 M HCl - **Beaker + MgO**: - Trial 1: 58.98 g - Trial 2: 54.27 g - Trial 3: 54.47 g - **Beaker**: - Trial 1: 57.38 g - Trial 2: 52.30 g - Trial 3: 52.77 g - **MgO reacted**: - Trial 1: 1.60 g - Trial 2: 1.97 g - Trial 3: 1.70 g #### Moles of MgO: - Trial 1: 0.04 mol - Trial 2: 0.047 mol - Trial 3: 0.042 mol #### Temperatures (°C): - **Time (min)** | **Trial 1** | **Trial 2** | **Trial 3** - 0.0 | 19.0 | 19 | 19 - 0.5 | 19.0 | 19 | 14 - 1.0 | 19.0 | 19 | 17 - 1.5 | 19.0 | 19 | 19 - 2.0 | 29.3 | 30 | 29 - 2.5 | 30.0 | 32 | 31 - 3.0 | 30.1 | 32 | 31 - 3.5 | 30.1 | 32 | 31 - 4.0 | 30.2 | 32 | 31 - 4.5 | 30.2 | 32 | 31 - 5.0 | 30.2 | 32 | 31 - 5.5 | 30.2
Transcribed Image Text:Certainly! Here is the transcription of the table along with a description of any graphical elements: --- ### Experimental Data Table #### Trial Information - **Trial No.**: 1, 2, 3 #### Masses: 1.00 M HCl - **Beaker + MgO**: - Trial 1: 58.98 g - Trial 2: 54.27 g - Trial 3: 54.47 g - **Beaker**: - Trial 1: 57.38 g - Trial 2: 52.30 g - Trial 3: 52.77 g - **MgO reacted**: - Trial 1: 1.60 g - Trial 2: 1.97 g - Trial 3: 1.70 g #### Moles of MgO: - Trial 1: 0.04 mol - Trial 2: 0.047 mol - Trial 3: 0.042 mol #### Temperatures (°C): - **Time (min)** | **Trial 1** | **Trial 2** | **Trial 3** - 0.0 | 19.0 | 19 | 19 - 0.5 | 19.0 | 19 | 14 - 1.0 | 19.0 | 19 | 17 - 1.5 | 19.0 | 19 | 19 - 2.0 | 29.3 | 30 | 29 - 2.5 | 30.0 | 32 | 31 - 3.0 | 30.1 | 32 | 31 - 3.5 | 30.1 | 32 | 31 - 4.0 | 30.2 | 32 | 31 - 4.5 | 30.2 | 32 | 31 - 5.0 | 30.2 | 32 | 31 - 5.5 | 30.2
Expert Solution
Step 1

Given:

  Trial 1 Trial 2 Trial 3
Mass of 1.0 M HCl 112.03 g 113.03 g 112.43 g
Mass of MgO 1.60 g 1.90 g 1.70 g
Moles of MgO 0.04 mol 0.047 mol 0.0421 mol
Change in Temperature 11 13 12

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