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

1 answer:

6 0

Answer:

96 Joules of heat released.

Explanation:

q=mc∆t

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

q=-96

Q negative means heat is released.

You might be interested in

monitta

Their main function of hold water

5 0

3 years ago

krok68 [10]

B,speedof light>speed of sound

8 0

3 years ago

kipiarov [429]

the very reactive gasses of the periodic table are called halogens.

4 0

4 years ago

skelet666 [1.2K]

Answer:

I will say D. The molecules become arranged into regular cubic arrangement. but i'm not 100% sure

Explanation:

8 0

3 years ago

bulgar [2K]

5. b is the right answer

6. c is the right answer

6 0

3 years ago