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

Can a model be improved so much that it leads to truth? Explain your answer.

Nosotros en la cafetería casi todos los días. O A. almorzar O B. almorzáis O C. almuerzan O D. almorzamos

Compose vivid sentences on your favorite place to visit using sight, sound, smell, touch, and taste.

the economy of china was rooted in trading what product?

Which statements about volume are true? Choose all the answers that apply. Group of answer choices Does not apply to liquids Applies only to objects with irregu

Give an example of how Ethnologists helped archaeologist determine how something was used.

Find the distance and midpoint for the points (7, 10) and (1,2).

Can y’all help me my time is almost over I need this ASAP and I’ll give brainliest

Is the text below an example of 1st person point of view or 3rd person point of view? I feel awful. I think I'll lie down for a while. I hope I wake up feeling

Tor F Science and technology are mutually beneficial.