Notifications
Clear all
For the reaction C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(l) at constant temperature, ΔH - ΔE is
0
03/10/2021 1:08 pm
Topic starter

For the reaction
C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(l)
at constant temperature, ΔH - ΔE is
(a) -RT
(b) +RT
(c) -3 RT
(d) +3 RT
Answer
Add a comment
Add a comment
Topic Tags
1 Answer
0
03/10/2021 1:10 pm

Correct answer: (c) -3 RT
Explanation:
ΔH = ΔE + ΔnRT
Δn = 3 - (1 + 5)
= 3 - 6 = -3
ΔH - ΔE = (-3RT)
Add a comment
Add a comment
Forum Jump:
Related Topics
-
Consider the ΔG°f and ΔH°f (kJ/mol) for the following oxides. Which oxide can be most easily decomposed to form the metal and oxygen gas?
3 years ago
-
How many molecules of ATP, undergo hydrolysis to raise the temperature of 180 kg of water which was originally at room temperature by 1°C? C{P,m} water = 75.32 J/mol/K, ΔH{P} for ATP hydrolysis = 7 kcal/mol
3 years ago
-
What is the amount of heat (in Joules) absorbed by 18 g of water initially at room temperature heated to 100°C? If 10 g of Cu is added to this water, than decrease in temperature (in Kelvin) of water was found to be?
3 years ago
-
Diborane is a potential rocket fuel which undergoes combustion according to the equation B2H6(g) + 3O2(s) → B2O3(s) + 3H2O(g) Calculate the enthalpy change for the combustion of diborane. Given
3 years ago
-
ΔG in Ag2O → 2Ag + 1/2O2 at a certain temperature is -10 kJ mol^-1. Pick the correct statement
3 years ago
Forum Information
- 321 Forums
- 27.3 K Topics
- 53.8 K Posts
- 1 Online
- 12.4 K Members
Our newest member: Stripchat
Forum Icons:
Forum contains no unread posts
Forum contains unread posts
Topic Icons:
Not Replied
Replied
Active
Hot
Sticky
Unapproved
Solved
Private
Closed