Notifications
Clear all
The amount of energy released when 20 mL of 0.5 M NaOH are mixed with 100 mL of 0.1 M HCl is x kJ. The heat of neutralisation (in kJ mol^-1) is
0
28/09/2021 9:06 pm
Topic starter

The amount of energy released when 20 mL of 0.5 M NaOH are mixed with 100 mL of 0.1 M HCl is x kJ. The heat of neutralisation (in kJ mol-1) is
(a) -100x
(b) -50x
(c) +100 x
(d) +50x
Answer
Add a comment
Add a comment
Topic Tags
1 Answer
0
28/09/2021 9:08 pm

Correct answer: (a) -100x
Explanation:
In question 0.01 gev of NaOH is being neutralised by 0.01 gev of HCl and value is x kJ, for 1 gev the value is -100x (exothermic process).
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