What volume of benzene (C6H6, d= 0.88 g/mL, molar mass = 78.11 ...

[rosent76]

What volume of benzene (C6H6, d= 0.88 g/mL, molar mass = 78.11 g/mol) is required to produce 1.5 x 103 kJ of heat according to the following reaction?
 
  2 C6H6(l) + 15 O2(g)  12 CO2(g) + 6 H2O(g) Hrxn = -6278 kJ
 
  A) 75 mL
  B) 37 mL
  C) 21 mL
  D) 19 mL
  E) 42 mL

Question 2

What is the specific heat of a metal if it takes 26.5 calories to raise the temperature of a piece weighing 50.0 g by 5.00 Celsius degrees?
 
  A) 250 cal/g C
  B) 133 cal/g C
  C) 6.63 cal/g C
  D) 1.89 cal/g C
  E) 0.106 cal/g C

[quynhmickitran]

Answer to Question 1

E

Answer to Question 2

E

[rosent76]

TY

[quynhmickitran]

You're welcome