Chemistry, 24.11.2020 03:30 monkeys450

Hello! I have been stuck on this chemistry question for a while now, and I can't figure it out :( It covers the topic called Specific Heat and Capacity. I would really appreciate your help with this question! Thank you so much :) To measure the ΔH(soln) for NaCl, a student adds 150.0 g of water at 22.0ºC to a calorimeter and then also adds in 12.0 grams of NaCl(s), stirring to dissolve. After the NaCl is completely dissolved, the maximum temperature reached is 44.3ºC.

a) Calculate the amount of heat absorbed by the solution during the dissolution process. The specific heat of the solution is 4.18 J/(g•ºC).

b) Find the value of ΔH(soln) for the NaCl in KJ mol-1 of reaction.

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 00:00

What is the result of multiplying (2.5 × 1010) × (2.0 × 10-7)? a. 5.0 × 103 b. 5.0 × 10-3 c. 5.0 × 1017 d. 5.0 × 10-17

Answers: 1

Answer

Chemistry, 22.06.2019 04:00

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

Answers: 1

Answer

Chemistry, 22.06.2019 11:20

Which fact represents evidence for the big bang theory?

Answers: 2

Answer

Chemistry, 22.06.2019 12:00

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

Answers: 2

Answer

You know the right answer?

Hello! I have been stuck on this chemistry question for a while now, and I can't figure it out :( It...

Questions