Chemistry: An Atoms X b lodine, like most sub M Inbox (1,550) - ljmg9 M Inbox (627) - lorcan. Welcome to Chemis LON-CAPA Quiz6f19 X X G atm to joules-Goog X + C access4.lon-capa.illinois.edu/res/uiuc/tjhummel/Quiz6f14.problem#11 Main Menu Contents Grades Course Contents » ... » Quiz 6 » Quiz6f19 Due in: 0 d 00:45:06 Timer PV nRT 101.3 J 1 L atm R 8.314 J/mol K = 0.08206 L atm/mol K AE = qw Asys surr q m C AT = 4.184 J/oC g Сн20 °C K 273 w = - Pext AV. Pay special attention to the signs of q, w and AH Quiz 1. 5.00 moles of an ideal gas are contained in a cylinder with a constant external pressure of 1.00 atm and at a temperature of 413 K by a movable, frictionless piston. This system is cooled to 266 K. a. Calculate the work done on or by the system, w (J) w (J) Submit Answer Incorrect. Tries 1/2 Previous Tries b. Given that the molar heat capacity (C) of an ideal gas is 20.8 J/mol K, calculate q (J), the heat that flows into or out of the system. q (J) = Submit Answer Tries 0/2 c. Calculate the change in internal energy for this ideal system, in joules AE (J) Quiz Submit Answer Tries 0/2 2. a. You have taken apart a hot pack from the doctor's office. Inside, you find a packet containing 6.29 g of M9S04 (formula weight = 120.4 g/mol) and 129 mL (129 g) of water. When you dissolve the contents of the packet in the water, the temperature increases by 8.47°C. Assuming that the specific heat capacity of the solution is 4.184 J/g°C, what is the heat flow, q, resulting from this process? M9SO4 (s) Mg2+ (aq) SO42- (aq) sky |Bb В е вы sports 13:00

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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Chemistry: An Atoms X
b lodine, like most sub
M Inbox (1,550) - ljmg9
M Inbox (627) - lorcan.
Welcome to Chemis
LON-CAPA Quiz6f19 X
X
G atm to joules-Goog X +
C
access4.lon-capa.illinois.edu/res/uiuc/tjhummel/Quiz6f14.problem#11
Main Menu
Contents
Grades
Course Contents » ... » Quiz 6 » Quiz6f19
Due in: 0 d 00:45:06
Timer
PV nRT
101.3 J 1 L atm
R 8.314 J/mol K = 0.08206 L atm/mol K
AE = qw
Asys surr
q m C AT
= 4.184 J/oC g
Сн20
°C K 273
w = - Pext AV.
Pay special attention to the signs of q, w and AH
Quiz
1.
5.00 moles of an ideal gas are contained in a cylinder with a constant external pressure of 1.00 atm and at a temperature of 413 K by a movable, frictionless piston. This system is cooled to 266 K.
a. Calculate the work done on or by the system, w (J)
w (J)
Submit Answer
Incorrect. Tries 1/2 Previous Tries
b. Given that the molar heat capacity (C) of an ideal gas is 20.8 J/mol K, calculate q (J), the heat that flows into or out of the system.
q (J) =
Submit Answer
Tries 0/2
c. Calculate the change in internal energy for this ideal system, in joules
AE (J)
Quiz
Submit Answer
Tries 0/2
2.
a. You have taken apart a hot pack from the doctor's office. Inside, you find a packet containing 6.29 g of M9S04 (formula weight = 120.4 g/mol) and 129 mL (129 g) of water. When you dissolve the
contents of the packet in the water, the temperature increases by 8.47°C.
Assuming that the specific heat capacity of the solution is 4.184 J/g°C, what is the heat flow, q, resulting from this process?
M9SO4 (s) Mg2+ (aq)
SO42- (aq)
sky
|Bb
В е вы
sports
13:00
Transcribed Image Text:Chemistry: An Atoms X b lodine, like most sub M Inbox (1,550) - ljmg9 M Inbox (627) - lorcan. Welcome to Chemis LON-CAPA Quiz6f19 X X G atm to joules-Goog X + C access4.lon-capa.illinois.edu/res/uiuc/tjhummel/Quiz6f14.problem#11 Main Menu Contents Grades Course Contents » ... » Quiz 6 » Quiz6f19 Due in: 0 d 00:45:06 Timer PV nRT 101.3 J 1 L atm R 8.314 J/mol K = 0.08206 L atm/mol K AE = qw Asys surr q m C AT = 4.184 J/oC g Сн20 °C K 273 w = - Pext AV. Pay special attention to the signs of q, w and AH Quiz 1. 5.00 moles of an ideal gas are contained in a cylinder with a constant external pressure of 1.00 atm and at a temperature of 413 K by a movable, frictionless piston. This system is cooled to 266 K. a. Calculate the work done on or by the system, w (J) w (J) Submit Answer Incorrect. Tries 1/2 Previous Tries b. Given that the molar heat capacity (C) of an ideal gas is 20.8 J/mol K, calculate q (J), the heat that flows into or out of the system. q (J) = Submit Answer Tries 0/2 c. Calculate the change in internal energy for this ideal system, in joules AE (J) Quiz Submit Answer Tries 0/2 2. a. You have taken apart a hot pack from the doctor's office. Inside, you find a packet containing 6.29 g of M9S04 (formula weight = 120.4 g/mol) and 129 mL (129 g) of water. When you dissolve the contents of the packet in the water, the temperature increases by 8.47°C. Assuming that the specific heat capacity of the solution is 4.184 J/g°C, what is the heat flow, q, resulting from this process? M9SO4 (s) Mg2+ (aq) SO42- (aq) sky |Bb В е вы sports 13:00
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