Try Again A chemist carefully measures the amount of heat needed to raise the temperature of...

Question

Question

Answer 1

Answer #1

1)
Given:
Q = 610 J
m = 127 g
Ti = 2.9 oC
Tf = 9.7 oC
use:
Q = m*C*(Tf-Ti)
610.0 = 127.0*C*(9.7-2.9)
C = 0.7063 J/g.oC
Answer: 0.71 J/g.K

Only 1 question at a time please

Answer 2

Similar Homework Help Questions

A chemist carefully measures the amount of heat needed to raise the temperature of a 1.61kg...

A chemist carefully measures the amount of heat needed to raise the temperature of a 1.61kg sample of a pure substance from 30.3°C to 36.9°C. The experiment shows that 44.kJ of heat are needed. What can the chemist report for the specific heat capacity of the substance? Round your answer to 2 significant digits.
A chemist carefully measures the amount of heat needed to raise the temperature of a 617.0...

A chemist carefully measures the amount of heat needed to raise the temperature of a 617.0 g sample of a pure substance from -3.3 "Cto 17.1 °C. The experiment shows that 30.7 kJ of heat are needed. What can the chemist report for the specific heat capacity of the substance? Be sure your answer has the correct number of significant digits.
A chemist carefully measures the amount of heat needed to raise the temperature of a 788.0...

A chemist carefully measures the amount of heat needed to raise the temperature of a 788.0 g sample of a pure substance from 324 C 45.3 °C. The experiment shows that 42.5 kJ of heat are needed. What can the chemist report for the specific heat capacity of the substance? Be sure your answer has the correct number of significant digits.

A chemist carefully measures the amount of heat needed to raise the temperature of a 1.53...

A chemist carefully measures the amount of heat needed to raise the temperature of a 1.53 kg sample of a pure substance from -4.5 °C to 11.6 °C. The experiment shows that 60.1 kJ of heat are needed. What can the chemist report for the specific heat capacity of the substance? Be sure your answer has the correct number of significant digits.
A chemist carefully measures the amount of heat needed to raise the temperature of a 816,0...

A chemist carefully measures the amount of heat needed to raise the temperature of a 816,0 sample of a pure substance from 41.1 °C to 59.0 °C. The experiment shows that 68.7 kJ of heat are needed. What can the chemist report for the specific heat capacity of the substance? Round your answer to 3 significant digits. 1. 8K X ?
A chemist carefully measures the amount of heat needed to raise the temperature of a 1.07...

A chemist carefully measures the amount of heat needed to raise the temperature of a 1.07 kg sample of a pure substance from 1.0 °C to 110 °C. The experiment shows that 26.1 kJ of heat are needed. What can the chemist report for the specific heat capacity of the substance? Round your answer to 3 significant digits. JEK x 6 ?

A chemist carefully measures the amount of heat needed to raise the temperature of a 1.77...

A chemist carefully measures the amount of heat needed to raise the temperature of a 1.77 kg sample of a pure substance from - 8.1 °C to 83C. The experiment shows that 6.82 kJ of heat are needed. What can the chemist report for the specific heat capacity of the substance? Be sure your answer has the correct number of significant digits. x I ?
Using specific heat capacity to find temperature change A chemical reaction takes place inside a flask...

Using specific heat capacity to find temperature change A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 9.20 kg of water at 33.4 °C. During the reaction 106. J of heat flows out of the bath and into the flask. K . Round your Calculate the new temperature of the water bath. You can assume the specific heat capacity of water under these conditions is 4.18 Jig answer to 3 significant digits.
A chemist carefully measures the amount of heat needed to raise the temperature of a 0.78...

A chemist carefully measures the amount of heat needed to raise the temperature of a 0.78 kg sample of a pure substance from 29.6 °C to 37.7 °C. The experiment shows that 12. kJ of heat are needed. What can the chemist report for the specific heat capacity of the substance? Round your answer to 2 significant digits. 0 - 1 - 1 Jog'K' x 6 ?

A chemist carefully measures the amount of heat needed to raise the temperature of a 889.0mg...

A chemist carefully measures the amount of heat needed to raise the temperature of a 889.0mg sample of a pure substance from 26.8°C to 40.0°C . The experiment shows that 49.1J of heat are needed. What can the chemist report for the specific heat capacity of the substance? Round your answer to 3 significant digits.