Register
A thermodynamic system undergoes a process in which its internal energy decreases by 1,477 J. If at the same time 678 J of thermal energy is transferred to it, how much work (in J) is done by the system?
21.3k views
2 votes
A thermodynamic system undergoes a process in which its internal energy decreases by 1,477 J. If at the same time 678 J of thermal energy is transferred to it, how much work (in J) is done by the system?

User Jake Miller
by
5.0k points

1 Answer

0 votes

Answer:2155 J

Step-by-step explanation:

Given

Change in Internal energy
\Delta U=-1477 J i.e. decrease in Internal Energy

Heat added to system
Q=678 J

According First law for a system


dQ=dU+dW


678=-1477+dW


dW=2155 J

Thus 2155 J of work is done by system

User MrArias
by
5.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.3m questions

6.9m answers

Other Questions

A space shuttle is approaching the surface of the moon to land. It approaches the moons surface with an initial velocity of 28m/s and is slowing at a rate of -2m/s^2. Show all work and units for problems.
An object is thrown downward with an initial velocity of 3 feet per second. The relationship between the distance s it travels and time t is given by s = 3t + 16t2. How long does it take the object to
________ is a measure of the internal energy that has been absorbed or transferred from one body to another, often due to a difference in temperature.
5. What happens to the arrangement of water molecules as ice melts? A Molecules gain enough energy to escape as vapor. B Molecules release enough energy to escape as vapor. C Molecules gain enough energy
The water at Niagara Falls drops through a height of 55.0 m. If the water’s loss of gravitational potential energy shows up as an increase in temperature of the water, what is the temperature difference
Link Copied!