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A 10.55 g sample of calcium metal at 36.0°C was placed in a calorimeter with 50.0 grams of cool water at 18.5°C and brought to an equilibrium temperature of 19.1°C. What is the specific heat of calcium assuming all heat lost by the calcium was absorbed by the water?

A 10.55 g sample of calcium metal at 36.0°C was placed in a calorimeter with 50.0 grams of cool water at 18.5°C and brought to an equilibrium temperature of 19.1°C. What is the specific heat of calcium assuming all heat lost by the calcium was absorbed by the water?

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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3. A 10.55 g sample of calcium metal at 36.0°C was placed in a calorimeter with 50.0 grams of cool water at 18.5°C and brought to an equilibrium temperature of 19.1°C. What is the specific heat of calcium assuming all heat lost by the calcium was absorbed by the water? 4. Use the following reactions and AH values given below to determine the heat of reaction for CH4 (g) + NH3 (g) → HCN (g) + 3 H₂ (g) N2 (g) + 3 H₂(g) → 2 NH3(g) C(s) + 2 H₂ (g) →→CH4 (g) AH-92.0 kJ/mol AH-79.4 kJ/mol AH268.5 kJ/mol H2 (g) + 2 C (s) + N2 (g) → 2 HCN (g)
Transcribed Image Text:3. A 10.55 g sample of calcium metal at 36.0°C was placed in a calorimeter with 50.0 grams of cool water at 18.5°C and brought to an equilibrium temperature of 19.1°C. What is the specific heat of calcium assuming all heat lost by the calcium was absorbed by the water? 4. Use the following reactions and AH values given below to determine the heat of reaction for CH4 (g) + NH3 (g) → HCN (g) + 3 H₂ (g) N2 (g) + 3 H₂(g) → 2 NH3(g) C(s) + 2 H₂ (g) →→CH4 (g) AH-92.0 kJ/mol AH-79.4 kJ/mol AH268.5 kJ/mol H2 (g) + 2 C (s) + N2 (g) → 2 HCN (g)
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