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A 3.0-kg cast iron pan absorbs 1.08 × 105 J of energy as its temperature rises from 20°C to 100°C. What is the specific heat capacity of cast iron in J/g°C? a. 4.50 b. 450 c. 4500 d. 0.45 The cast iron pan (at a temp of 100°C) is placed in a sink full of 18°C water. What statement most accurately describes what will happen? a. The iron pan will raise release heat into the water, raising the water temperature to 100°C b. The water will absorb heat from the pan, cooling the pan to 18°C c. The pan will absorb energy from the water, increasing the temperature of the pan above 100°C d. The iron pan will release heat into the water until it's temperature is the same as the water Using bond enthalpies from your reference page, how much energy is stored in 1 mol of CH₂O? a. 1184 kJ b. 1212 kJ c. 1625 kJ d. 1234 kJ

A 3.0-kg cast iron pan absorbs 1.08 × 105 J of energy as its temperature rises from 20°C to 100°C. What is the specific heat capacity of cast iron in J/g°C? a. 4.50 b. 450 c. 4500 d. 0.45 The cast iron pan (at a temp of 100°C) is placed in a sink full of 18°C water. What statement most accurately describes what will happen? a. The iron pan will raise release heat into the water, raising the water temperature to 100°C b. The water will absorb heat from the pan, cooling the pan to 18°C c. The pan will absorb energy from the water, increasing the temperature of the pan above 100°C d. The iron pan will release heat into the water until it's temperature is the same as the water Using bond enthalpies from your reference page, how much energy is stored in 1 mol of CH₂O? a. 1184 kJ b. 1212 kJ c. 1625 kJ d. 1234 kJ

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter8: Thermochemistry
Section: Chapter Questions
Problem 88QAP: A sample of sucrose, C12H22O11, is contaminated by sodium chloride. When the contaminated sample is...
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A 3.0-kg cast iron pan absorbs 1.08 × 105 J of energy as its temperature rises from 20°C to 100°C. What is the specific heat capacity of cast iron in J/g°C? a. 4.50 b. 450 c. 4500 d. 0.45 The cast iron pan (at a temp of 100°C) is placed in a sink full of 18°C water. What statement most accurately describes what will happen? a. The iron pan will raise release heat into the water, raising the water temperature to 100°C b. The water will absorb heat from the pan, cooling the pan to 18°C c. The pan will absorb energy from the water, increasing the temperature of the pan above 100°C d. The iron pan will release heat into the water until it's temperature is the same as the water Using bond enthalpies from your reference page, how much energy is stored in 1 mol of CH₂O? a. 1184 kJ b. 1212 kJ c. 1625 kJ d. 1234 kJ
Transcribed Image Text:A 3.0-kg cast iron pan absorbs 1.08 × 105 J of energy as its temperature rises from 20°C to 100°C. What is the specific heat capacity of cast iron in J/g°C? a. 4.50 b. 450 c. 4500 d. 0.45 The cast iron pan (at a temp of 100°C) is placed in a sink full of 18°C water. What statement most accurately describes what will happen? a. The iron pan will raise release heat into the water, raising the water temperature to 100°C b. The water will absorb heat from the pan, cooling the pan to 18°C c. The pan will absorb energy from the water, increasing the temperature of the pan above 100°C d. The iron pan will release heat into the water until it's temperature is the same as the water Using bond enthalpies from your reference page, how much energy is stored in 1 mol of CH₂O? a. 1184 kJ b. 1212 kJ c. 1625 kJ d. 1234 kJ
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