[Answered] At constant pressure, the combustion of 5.00 g of C2H6(g) releases 259 kJ of heat. What is H for the ...

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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 28 times)

krzymel

Hero Member
Posts: 548

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

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Marked as best answer by a Subject Expert

pallen55

Sr. Member
Posts: 331

Reply #1 on: Aug 27, 2018

Answer to Question 1

D

Answer to Question 2

A

krzymel

Member
Posts: 548

Reply 2 on: Aug 27, 2018

Gracias!

kthug

Member
Posts: 332

Reply 3 on: Yesterday

Great answer, keep it coming

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