Myschool CBT Challenge Season 6 - Prizes Worth N300,000 To Be Won!

A piece of copper of solid weighing 300g is heated to 100°c and than transfer...

A piece of copper of solid weighing 300g is heated to 100°c and than transfer to copper Carolimeter of mass 10g containing 100g of liquid at 10°c if the final steady temperature of the mixture is 40°c calculate the specific of the liquid (specific heat capacity of copper = 40Jkg^-1 k^-1)?

To get notifications when anyone posts a new answer to this question,
Follow New Answers

Post an Answer

Please don't post or ask to join a "Group" or "Whatsapp Group" as a comment. It will be deleted. To join or start a group, please click here

JAMB 2020 CBT Software - Download Now, It's Free!
JAMB 2020 CBT Mobile App - Download Now, It's Free!

Answers (1)

mhz vee
2 weeks ago
Solution
0.300 * 400 * (950-100) = 102,000 Joules lost by copper

that heats 0.250 kg water to 100 from 25
0.250 * 4186 * 75 = 78488 Joules used from copper to heat water.
That leaves 23,512 Joules to boil water
23,512 = m 2,260,000
m = .0104 kg = 10.4 grams
Ask Your Own Question

Quick Questions

See More Delta State University Questions
 
JAMB 2020 CBT Software Agents - Click Here to Apply
JAMB 2020 CBT Software - Download Now, It's Free!
JAMB 2020 CBT Mobile App - Download Now, It's Free!