spicymery spicymery

03-03-2020
Chemistry

contestada

How much heat is released when a 20g block of lead cools from 150°C to 120°C

How much heat is released when a 20g block of lead cools from 150C to 120C class=

Respuesta :

kinyonethan1 kinyonethan1

03-03-2020

Answer:

96 Joules of heat released.

Explanation:

q=mc∆t

q=(20)(.16)(-30)

q=-96

Q negative means heat is released.

Answer Link

Otras preguntas

how are airplanes artificially pressurized?

what is air pressure?

What is the simplified answer to the problem 9+5r-9r??

factoring, x squared +x-6?

What is 4p-13p-p=-150 More 2 step equations. I don't get this one at all

What are some behavioral adaptations for a porcupines?

Estimate the value of 21*3.86/0.207 anyone knw the estimate for this?

What's the formula to perimeter

Which sentence does not contain any errors? A. Fortunately, information on they're collars helped us locate the owners of the dogs.

Identify two ways of changing the strength of an electric force