At constant pressure, the combustion of 5.00 g of C2H6(g) ...

[krzymel]

At constant pressure, the combustion of 5.00 g of C2H6(g) releases 259 kJ of heat. What is H for the reaction given below? 2 C2H6(g) + 7 O2(g)  4 CO2(g) + 6 H2O(l).
 
  A) -43.2 kJ
  B) -779 kJ
  C) -1560 kJ
  D) -3108 kJ

Question 2

What color of visible light has the highest energy?
 
  A) violet
  B) blue
  C) red
  D) green
  E) yellow

[pallen55]

Answer to Question 1

D

Answer to Question 2

A

[krzymel]

Thanks for the timely response, appreciate it

[coreycathey]

Excellent