Calculate the amount of heat (in kJ) necessary to raise the ...

[ghost!]

Calculate the amount of heat (in kJ) necessary to raise the temperature of 47.8 g benzene by 57.0 K. The specific heat capacity of benzene is 1.05 J/gC
 
  A) 1.61 kJ
  B) 16.6 kJ
  C) 2.59 kJ
  D) 2.86 kJ
  E) 3.85 kJ

Question 2

What is the molarity of a solution prepared by dissolving 0.750 mol CaCl2 in enough water to make 0.500 L of solution?
 
  A) 0.375 M
  B) 0.667 M
  C) 1.50 M
  D) 83.2 M
  E) 166.5 M

[bookworm410]

Answer to Question 1

D

Answer to Question 2

C

[ghost!]

Excellent

[triiciiaa]

Gracias!