Author Question: At constant pressure, the combustion of 5.00 g of C2H6(g) releases 259 kJ of heat. What is H for the ... (Read 47 times)

krzymel · **on:** Aug 27, 2018

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