drammeha78 drammeha78

29-12-2019
Physics

contestada

a gas in a piston is compressed doing -439 j of work, and its internal energy increases by 318 j. how much heat flows? (be careful with + and -. +w = expansion. +q = added, +u = temp goes up)
(unit = j)

Respuesta :

Pharero Pharero

29-12-2019

Answer:

-121 J

Explanation:

w= -439 J

Q = ?

U= 318 J

U = Q-W

Q= U+W

= 318+(-439)

= 318-439

= -121 J

MINUS SIGN SHOWS HEAT FLOWS

Answer Link

Otras preguntas

Calculate the ph of a 0.10 m solution of hypochlorous acid, hocl. ka of hocl is 3.5Ã10â8 at 25 âc. express your answer numerically using two decimal places.

In order to climb a steep hill on a bicycle, a rider shifts to the lowest gear. The lowest gear has the greatest mechanical advantage because it

diane charges $10 for a house call plus $35 an hour for electrical work. if she made $150 on one job,how many hours did she work?

You plan to take $450 u.s. on a trip to south africa. how many rands is this if one u.s. dollar equals 3.70 rands?

Match the base word to the prefix. 1 . de ( ) agree 2 . dis ( ) cease 3 . in ( ) certain 4 . post ( ) change 5 . para ( ) chute 6 . con ( ) firm 7

What is the complete factorization of the polynomial function over the set of complex numbers?

Mrs Delgado needs to buy 160 begonias. One plant costs $2. One flat with 20 plants cost $30. How many dollars will she save if she buys them by flat instead of

A simple index of three stocks opens the day with these values: The index rises 3.4% over the course of the day. What is the value of the index at the end of

What is the equation of this graphed line (-6,-3) (6,-7)

how does the concept of a balanced budget apply to state government? A: Only the capital budget must be balanced B: Only the operating budget must be balanced.