A sample of an unknown substance has a mass of 89.5 g. If 345.2 J of heat are required to heat the substance from 285 K to 305 K

Question

OverLord2011 [107]

3 years ago

15

A sample of an unknown substance has a mass of 89.5 g. If 345.2 J of heat are required to heat the substance from 285 K to 305 K

, what is the specific heat of the substance?

Chemistry

2 answers:

Lapatulllka [165] · Answer 1 · 2022-05-26T22:46:00+03:00

Lapatulllka [165]3 years ago

7 0

The specific heat is the heat needed per unit mass to raise the temperature by 1 degree celsius. So the specific heat = heat/(mass*ΔT) = 345.2/[89.5*(305-285)]=0.193 J/(g*℃). When using ΔT, the unit K and ℃ are the same.

julsineya [31] · Answer 2 · 2022-05-26T23:52:04+03:00

julsineya [31]3 years ago

5 0

Answer:

on edg its 0.193

Explanation: