Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
CHEMICAL THERMODYNAMICS
Question #27159
Back to Home
View All CHEMICAL THERMODYNAMICS Questions
18 Views
Question
Which of the following reactions represents an endothermic process?
A. C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(l); ∆rH° = –1367 kJ mol–1
B. H2(g) + ½O2(g) → H2O(l); ∆rH° = –285.8 kJ mol–1
C. CaCO3(s) → CaO(s) + CO2(g); ∆rH° = +178.3 kJ mol–1
D. C(graphite, s) + 2H2(g) → CH4(g); ∆rH° = –74.81 kJ mol–1
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the significance of Hess's law in thermodynamics?
20
What is the bond enthalpy of a Br–Br single bond?
18
What is the primary reason some processes are spontaneous even when they are endothermic?
14
What was the cause cited by Libyan officials for the plane crash in Turkey that killed Libya’s mil...
(Current Affairs)
6
Who has been given additional charge as Commissioner of Delhi Police following the retirement of San...
(Current Affairs)
18