Register
2. A block of aluminum with a mass of 140g is cooled from 98.4oC to 62.2oC with a release of 1137J of heat. From these data, calculate the specific heat of aluminum.
198k views
2 votes
2. A block of aluminum with a mass of 140g is cooled from 98.4oC to 62.2oC with a release of 1137J of heat. From these data, calculate the specific heat of aluminum.

User Sjeiti
by
6.8k points

1 Answer

3 votes
Q = M * C *ΔT

Q / ΔT = M

Δf - Δi = 98.4ºC - 62.2ºC = 36.2ºC

C = 1137 J / 140 * 36.2

C = 1137 / 5068

C = 0.224 J/gºC
User Daniel J F
by
6.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.1m questions

9.5m answers

Other Questions

As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Key facts of covalent bonding
How many protons, electrons, and neutrons are in I- and Li+ ?
What conditions must be met in order for a reaction to be considered exothermic?
What functional groups are present in acetaminophen?
Link Copied!