cyxthiax cyxthiax

21-06-2020
Physics

contestada

PLEASE HELP
What is the change in internal energy if 80 J of thermal energy is released
from a system, and 30 J of work are done on the system? Use AU = Q-W.

Respuesta :

GeorgePP GeorgePP

21-06-2020

Answer: Delta U = 30 - 80; -50 jules

Explanation:

The system is losing 80 J, but it is also gaining 30 J because the surroundings are doing work on it. So the net change in energy is -50 J

Answer Link

Otras preguntas

How is the process of fertilization in animals like the process that takes place in plants? A. A sperm cell and an egg cell combine to form an embryo. B. Sperm

what is 5.50 x (20 + 18.50)?

I need help please Find the value of numerical expression can you explain it to me please 2^4

gene defects, infectious agents, and congenital malformations are ____________ that can cause and contribute to the onset or severity of a child's illness? a.bi

during the day, when the sun is shining, the ground gets warm mainly as a result of 1. the emission of greenhouse gasses from factories and vehicles 2.heat from

what is 5.50 x (20 + 18.50)?

In pigs, the allele for a wavy, rough coat (R) is dominant to the allele for a soft, fine coat (r). A rough coat boar and a soft coat sow mate. They produce sev

What is the lcm of two numbers if one number is a multiple of the other give example

You may have learned about the sheep clone Dolly in your science class. Although this experiment was greeted as a great success, there are many problems with cl

(c-30)(c-120)=184 how do I solve it