1
JEE Main 2022 (Online) 26th June Evening Shift
Numerical
+4
-1
Change Language

A fish swimming in water body when taken out from the water body is covered with a film of water of weight 36 g. When it is subjected to cooking at 100$$^\circ$$C, then the internal energy for vaporization in kJ mol$$-$$1 is ___________. [nearest integer]

[Assume steam to be an ideal gas. Given $$\Delta$$vapH$$^\Theta $$ for water at 373 K and 1 bar is 41.1 kJ mol$$-$$1 ; R = 8.31 J K$$-$$1 mol$$-$$1]

Your input ____
2
JEE Main 2022 (Online) 26th June Morning Shift
Numerical
+4
-1
Change Language

For complete combustion of methanol

CH3OH(I) + $${3 \over 2}$$O2(g) $$\to$$ CO2(g) + 2H2O(I)

the amount of heat produced as measured by bomb calorimeter is 726 kJ mol$$-$$1 at 27$$^\circ$$C. The enthalpy of combustion for the reaction is $$-$$x kJ mol$$-$$1, where x is ___________. (Nearest integer)

(Given : R = 8.3 JK$$-$$1 mol$$-$$1)

Your input ____
3
JEE Main 2022 (Online) 25th June Morning Shift
Numerical
+4
-1
Change Language

The standard entropy change for the reaction

4Fe(s) + 3O2(g) $$\to$$ 2Fe2O3(s) is $$-$$550 J K$$-$$1 at 298 K.

[Given : The standard enthalpy change for the reaction is $$-$$165 kJ mol$$-$$1]. The temperature in K at which the reaction attains equilibrium is _____________. (Nearest Integer)

Your input ____
4
JEE Main 2021 (Online) 1st September Evening Shift
Numerical
+4
-1
Change Language
For the reaction, 2NO2(g) $$\rightleftharpoons$$ N2O4(g), when $$\Delta$$S = $$-$$176.0 JK$$-$$1 and $$\Delta$$H = $$-$$57.8 kJ mol$$-$$1, the magnitude of $$\Delta$$G at 298 K for the reaction is ___________ kJ mol$$-$$1. (Nearest integer)
Your input ____
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12