What is the change in internal energy of a system (?U) if for a process the...
What is the change in internal energy of a system (?U) if for a process the system absorbs 71 kJ of thermal energy and the system performs 12 kJ of work?
a. 59 kJ
b.71 kJ
c. 383 kJ
d. –83 kJ
e. –59 kJ
Homework Answers
Add Answer to:
What is the change in internal energy of a system (?U) if for a
process the...
1. If q 60 kJ and w = 96 kJ for a certain process, that process...
1. If q 60 kJ and w = 96 kJ for a certain process, that process (3) a. requires a catalyst. b. is endothermic. c. occurs slowly. d. is exothermic. e. cannot occur. 2. What is the change in internal energy of the system (AU) if 71 kJ of heat energy is absorbed by the system and 12 kJ of work is done on the system for a certain process? (4) a. 83 kJ b. 59 kJ c. 71 kJ...
Determine the change in internal energy (AE) of a system that absorbs 745 J of heat...
Determine the change in internal energy (AE) of a system that absorbs 745 J of heat from its surroundings and performs 5 kJ of work on its surroundings. A. 740 J B. -4255 J C. 750 J D. 5745 J
What is the change in internal energy of a system if the system (i) absorbs 58...
What is the change in internal energy of a system if the system (i) absorbs 58 J of heat and does 58 J of work? (ii) absorbs 125 J of heat and does 687 J of work? (iii) evolves 280 cal of heat and has 1.25 kJ of work done on it?
What is the overall change in internal energy for System A after both of the following...
What is the overall change in internal energy for System A after both of the following processes have occurred? Process 1: System A absorbs 10 kJ of heat from the surroundings and does 8 kJ of work on its surroundings. Process 2: System A releases 5 kJ of heat into the surroundings and 10000 J of work is done on the system. 2 kJ, ΔE = negative 7 kJ, ΔE = positive 33 kJ, ΔE = negative 9982 J, ΔE...
Calculate the change in the internal energy of the system for a process in which the...
Calculate the change in the internal energy of the system for a process in which the system absorbs 140 J of heat from the surroundings and does 85 J of work on the surroundings.
is this correct? Determine the change in internal energy (AE) of a system that absorbs 745...
is this correct?
Determine the change in internal energy (AE) of a system that absorbs 745 J of heat from its surroundings and performs 5 kJ of work on its surroundings. O 740 J O-4255 J 750J o 5745 )
e. 33 J 22. What is the change in internal energy of the system (AU)if I1...
e. 33 J 22. What is the change in internal energy of the system (AU)if I1 k of heat energy is evolved by the system and 7 kJ of work is done on the system for a certain process? 23. I g -75 kJ and w 62 kJ for a certain process, that process a. requires a catalyst. b. is endothermic c. occurs slowly d. is exothermic. e. cannot occur.
1. A gas absorbs 0.0 J of heat and then performs 30.8 J of work. The change in internal energy of the gas is a. 61....
1. A gas absorbs 0.0 J of heat and then performs 30.8 J of work. The change in internal energy of the gas is a. 61.6 J. b. 30.8 J. c. -61.6 J. d.-30.8 J. e. none of these 2. Which of the following statements correctly describes the signs of q and w for the following exothermic process at P= 1 atm and T = 370 K? H2O(g) → H2O(1) a. q and w are negative. b. is positive, wis...
What is the change in internal energy (in J) of a system that absorbs 0.297 kJ...
What is the change in internal energy (in J) of a system that absorbs 0.297 kJ of heat from its surroundings and has 0.750 kcal of work done on it? Give your answer in scientific notation. × 10,
1. Calculate the change in the internal energy of the following systems and then determine whether...
1. Calculate the change in the internal energy of the following systems and then determine whether the processes are endothermic or exothermic: (a) 45 kJ of heat is transferred from the system to the surroundings. Answer: AE- the process is (b) 605 J of work is performed by the surroundings to the system. Answer: AE (c) When 145 J of work is done by the surroundings to the system, 212 J of heat is transferred from the system to the...
1. If q 60 kJ and w = 96 kJ for a certain process, that process (3) a. requires a catalyst. b. is endothermic. c. occurs slowly. d. is exothermic. e. cannot occur. 2. What is the change in internal energy of the system (AU) if 71 kJ of heat energy is absorbed by the system and 12 kJ of work is done on the system for a certain process? (4) a. 83 kJ b. 59 kJ c. 71 kJ...
Determine the change in internal energy (AE) of a system that absorbs 745 J of heat from its surroundings and performs 5 kJ of work on its surroundings. A. 740 J B. -4255 J C. 750 J D. 5745 J
is this correct?
Determine the change in internal energy (AE) of a system that absorbs 745 J of heat from its surroundings and performs 5 kJ of work on its surroundings. O 740 J O-4255 J 750J o 5745 )
e. 33 J 22. What is the change in internal energy of the system (AU)if I1 k of heat energy is evolved by the system and 7 kJ of work is done on the system for a certain process? 23. I g -75 kJ and w 62 kJ for a certain process, that process a. requires a catalyst. b. is endothermic c. occurs slowly d. is exothermic. e. cannot occur.
1. A gas absorbs 0.0 J of heat and then performs 30.8 J of work. The change in internal energy of the gas is a. 61.6 J. b. 30.8 J. c. -61.6 J. d.-30.8 J. e. none of these 2. Which of the following statements correctly describes the signs of q and w for the following exothermic process at P= 1 atm and T = 370 K? H2O(g) → H2O(1) a. q and w are negative. b. is positive, wis...
What is the change in internal energy (in J) of a system that absorbs 0.297 kJ of heat from its surroundings and has 0.750 kcal of work done on it? Give your answer in scientific notation. × 10,
1. Calculate the change in the internal energy of the following systems and then determine whether the processes are endothermic or exothermic: (a) 45 kJ of heat is transferred from the system to the surroundings. Answer: AE- the process is (b) 605 J of work is performed by the surroundings to the system. Answer: AE (c) When 145 J of work is done by the surroundings to the system, 212 J of heat is transferred from the system to the...
Most questions answered within 3 hours.
-
Define the following Marketing Psychology Principles of Human
Behavior: Priming, Reciprocity, Social Proof, Decoy Effect,
Scarcity,...
asked 9 minutes ago -
What does the graph of Range vs angle look like? Also what is
the slope of...
asked 12 minutes ago -
a
sample size of _ is needed So there a 99% confidence interval will
have a...
asked 17 minutes ago -
Strategy is an important part of project management and business
decisions. Define strategy and describe in...
asked 21 minutes ago -
Task 5.2 Numerical Analysis Using Nested Loops (13 pts)
Consider the following program:
void setup()
{...
asked 34 minutes ago -
If a lossless transformer has 1000 turns for a primary winding
and 100 turns for the...
asked 43 minutes ago -
Write the net ionic equation for the precipitation reaction that
occurs when aqueous solutions of potassium...
asked 51 minutes ago -
it
should be written in c++
Your program should take numbers from the user until the...
asked 57 minutes ago -
Buses are powered by chemical reactions. Define matter and the
four states of matter. What is...
asked 1 hour ago -
Use conservation of energy to find the velocity of a free point
charge q1 at 22cm...
asked 1 hour ago -
First, describe policies promoted by governments of the
political right to address economic globalization. Second, describe...
asked 1 hour ago -
M2-9 Completing T-Accounts LO2-4
Following are the transactions of Dennen, Inc., for the month of
January....
asked 1 hour ago