Chemistry-
General
Easy
Question
Two mole of an ideal gas is expanded irreversibly and isothermally at 37°C until its volume is doubled and 3.41 kJ heat is absorbed from surroundings.
(system +surroundings) is
- -0.52 J/K
- 0.52 J/K
- 22.52 J/K
- 0
The correct answer is: 22.52 J/K
Related Questions to study
chemistry-
One mole of an ideal monoatomic gas at 27°C is subjected to a reversible isoentropic compression until final temperature reached to 327°C If the initial pressure was
atm then find the value of In 
One mole of an ideal monoatomic gas at 27°C is subjected to a reversible isoentropic compression until final temperature reached to 327°C If the initial pressure was
atm then find the value of In 
chemistry-General
chemistry-
Calculate ΔS for 3 mole of a diatomic ideal gas which is heated and compressed from 298 K and 1 bar to 596 K and 4 bar.
Calculate ΔS for 3 mole of a diatomic ideal gas which is heated and compressed from 298 K and 1 bar to 596 K and 4 bar.
chemistry-General
chemistry-
Considering entropy(s) at a thermo dynamic parameter, the criterion for the spontanity of any process is
Considering entropy(s) at a thermo dynamic parameter, the criterion for the spontanity of any process is
chemistry-General
chemistry-
When a liquid evaporates, which is true about the signs of the enthalpy and entropy changes ?
When a liquid evaporates, which is true about the signs of the enthalpy and entropy changes ?
chemistry-General
chemistry-
When charcoal burns in air signs of ΔH and ΔS are 
When charcoal burns in air signs of ΔH and ΔS are 
chemistry-General
chemistry-
What are the signs of the entropy change (+ or - ) in the following:
I) A liquid crystallises into a solid
II) Temperature of a crystalline solid is raised from 0 K to 115 K
III) 
IV) 
What are the signs of the entropy change (+ or - ) in the following:
I) A liquid crystallises into a solid
II) Temperature of a crystalline solid is raised from 0 K to 115 K
III) 
IV) 
chemistry-General
chemistry-
Which has maximum entropy change of vaporisation ?
Which has maximum entropy change of vaporisation ?
chemistry-General
chemistry-
The molar heat capacities at constant pressure (assumed constant with respect to temperature) at A, B and C are in ratio of 3:1.5:2.0. The enthalpy change for the exothermic reaction
at 300 K and 310 K is
and
respectively then :
The molar heat capacities at constant pressure (assumed constant with respect to temperature) at A, B and C are in ratio of 3:1.5:2.0. The enthalpy change for the exothermic reaction
at 300 K and 310 K is
and
respectively then :
chemistry-General
chemistry-
Number of phases present in the following thermodynamic systems are:
1) 
2) 
3) 
Number of phases present in the following thermodynamic systems are:
1) 
2) 
3) 
chemistry-General
maths-
For the circuits shown below, the Boolean polynomial is

For the circuits shown below, the Boolean polynomial is

maths-General
maths-
Let B={p, q, r, .....} and let two binary operations be denoted by ‘
' and ‘
’ or ‘+’ or ‘.’, then
Let B={p, q, r, .....} and let two binary operations be denoted by ‘
' and ‘
’ or ‘+’ or ‘.’, then
maths-General
maths-
Let B={p, q, r, .....} and let two binary operations be denoted by ‘
' and ‘
’ or ‘+’ or ‘.’, then
Let B={p, q, r, .....} and let two binary operations be denoted by ‘
' and ‘
’ or ‘+’ or ‘.’, then
maths-General
maths-
Let B={p, q, r, .....} and let two binary operations be denoted by ‘
' and ‘
’ or ‘+’ or ‘.’, then
Let B={p, q, r, .....} and let two binary operations be denoted by ‘
' and ‘
’ or ‘+’ or ‘.’, then
maths-General
maths-
Let B={p, q, r, .....} and let two binary operations be denoted by ‘
' and ‘
’ or ‘+’ or ‘.’, then
Let B={p, q, r, .....} and let two binary operations be denoted by ‘
' and ‘
’ or ‘+’ or ‘.’, then
maths-General
maths-
Let B={p, q, r, .....} and let two binary operations be denoted by ‘
' and ‘
’ or ‘+’ or ‘.’, then
Let B={p, q, r, .....} and let two binary operations be denoted by ‘
' and ‘
’ or ‘+’ or ‘.’, then
maths-General