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VII. ASSIGNMENT Consider the following problem. 1. A lead bullet with a mass of 7.8 g and a velocity of 5.0 x 10 cm/s strikes a 1.0 kg wooden block and becomes embedded in the wood. If both the bullet and the block are initially at a termperature of 25 "C. what is the final temperature? Assume that there is no heat loss to the surroundings and that all the kinetic energy of the bullet is converted to heat. Specific heat capacities: wood, 2.1 J/ °C g: lead,0.13 J°C g 2. How much work (J) is required to compress a gas from 10L to 7L by exerting a constant pressure of 2.8 atm? 3. The atmosphere inside the room has 35 mol of CO2. The temperature decreases by 22 °C. Solve for heat (KJ). (The molar heat capacity of carbon dioxide is 37.27 J/ degree Celsius mol) 4. A balloon contains 230 g He at a pressure of 1 atm. The initial volume of the balloon is 1300 L. The temperature increased by 10 °C. Assuming at constant pressure, what is the final volume of the balloon if AE is 60.5 KJ? REFERENCES Zumdahl, S. S., & DeCoste, D.J. (2016). Chemical Principles (8" ed.). Boston, USA:Cengage Learning https://chem.libretexts.org/ Ai SHOT ON OPPO

VII. ASSIGNMENT Consider the following problem. 1. A lead bullet with a mass of 7.8 g and a velocity of 5.0 x 10 cm/s strikes a 1.0 kg wooden block and becomes embedded in the wood. If both the bullet and the block are initially at a termperature of 25 "C. what is the final temperature? Assume that there is no heat loss to the surroundings and that all the kinetic energy of the bullet is converted to heat. Specific heat capacities: wood, 2.1 J/ °C g: lead,0.13 J°C g 2. How much work (J) is required to compress a gas from 10L to 7L by exerting a constant pressure of 2.8 atm? 3. The atmosphere inside the room has 35 mol of CO2. The temperature decreases by 22 °C. Solve for heat (KJ). (The molar heat capacity of carbon dioxide is 37.27 J/ degree Celsius mol) 4. A balloon contains 230 g He at a pressure of 1 atm. The initial volume of the balloon is 1300 L. The temperature increased by 10 °C. Assuming at constant pressure, what is the final volume of the balloon if AE is 60.5 KJ? REFERENCES Zumdahl, S. S., & DeCoste, D.J. (2016). Chemical Principles (8" ed.). Boston, USA:Cengage Learning https://chem.libretexts.org/ Ai SHOT ON OPPO

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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VII. ASSIGNMENT Consider the following problem. 1. A lead bullet with a mass of 7.8 g and a velocity of 5.0 x 10 cm/s strikes a 1.0 kg wooden block and becomes embedded in the wood. If both the bullet and the block are initially at a termperature of 25 "C. what is the final temperature? Assume that there is no heat loss to the surroundings and that all the kinetic energy of the bullet is converted to heat. Specific heat capacities: wood, 2.1 J/ °C g: lead,0.13 J°C g 2. How much work (J) is required to compress a gas from 10L to 7L by exerting a constant pressure of 2.8 atm? 3. The atmosphere inside the room has 35 mol of CO2. The temperature decreases by 22 °C. Solve for heat (KJ). (The molar heat capacity of carbon dioxide is 37.27 J/ degree Celsius mol) 4. A balloon contains 230 g He at a pressure of 1 atm. The initial volume of the balloon is 1300 L. The temperature increased by 10 °C. Assuming at constant pressure, what is the final volume of the balloon if AE is 60.5 KJ? REFERENCES Zumdahl, S. S., & DeCoste, D.J. (2016). Chemical Principles (8" ed.). Boston, USA:Cengage Learning https://chem.libretexts.org/ Ai SHOT ON OPPO
Transcribed Image Text:VII. ASSIGNMENT Consider the following problem. 1. A lead bullet with a mass of 7.8 g and a velocity of 5.0 x 10 cm/s strikes a 1.0 kg wooden block and becomes embedded in the wood. If both the bullet and the block are initially at a termperature of 25 "C. what is the final temperature? Assume that there is no heat loss to the surroundings and that all the kinetic energy of the bullet is converted to heat. Specific heat capacities: wood, 2.1 J/ °C g: lead,0.13 J°C g 2. How much work (J) is required to compress a gas from 10L to 7L by exerting a constant pressure of 2.8 atm? 3. The atmosphere inside the room has 35 mol of CO2. The temperature decreases by 22 °C. Solve for heat (KJ). (The molar heat capacity of carbon dioxide is 37.27 J/ degree Celsius mol) 4. A balloon contains 230 g He at a pressure of 1 atm. The initial volume of the balloon is 1300 L. The temperature increased by 10 °C. Assuming at constant pressure, what is the final volume of the balloon if AE is 60.5 KJ? REFERENCES Zumdahl, S. S., & DeCoste, D.J. (2016). Chemical Principles (8" ed.). Boston, USA:Cengage Learning https://chem.libretexts.org/ Ai SHOT ON OPPO
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