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Shaneylee18
Shaneylee18
@shaneylee18
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Joined: Sep 21, 2020
Last seen: Jul 19, 2023
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Topics: 2184 / Replies: 0
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Topic
ΔH°f (298K) of methanol is given by the chemical equation :
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 156
Topic
How much energy is released when 6 moles of octane is burnt in air?
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 134
Topic
Which of the following is arranged in the increasing order of enthalpy of vaporisation?
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 116
Topic
Which one of the following has ΔS° greater than zero?
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 150
Topic
One gram sample of NH4NO3 is decomposed in a bomb calorimeter, the temperature of the calorimeter increases by 6.12 K.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 139
Topic
The heat of neutralization of a strong base and a strong acid is 57 kJ.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 158
Topic
In the exothermic reaction, the enthalpy of reaction is always :
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 115
Topic
Two moles of an ideal gas are compressed isothermally (100°C) and reversibly from a pressure of 10 atm to 25 atm
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 140
Topic
The heat of reaction for : C10H8(s) + 12O2(g) → 10CO2(g) + 4H2O(l) at constant volume is –1228.2 kcal at 25°C.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 799
Topic
The internal energy of a substance :
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 136
Topic
Enthalpy of neutralisation of CH3COOH by NaOH is –50.6 kJ/mol and the heat of neutralisation of a strong acid with NaOH is –55.9 kJ/mol.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 136
Topic
One mole of an ideal gas for which Cv = (3/2)R is heated reversibly at a constant pressure of 1 atm from 25°C to 100°C. The ΔH is :
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 220
Topic
During isothermal expansion of one mole of an ideal gas from 10 atm to 1atm at 273 K, the work done is [gas constant = 2] :
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 129
Topic
A gas expands isothermally against a constant external pressure of 1 atm from a volume of 10 dm^3 to a volume of 20 dm^3.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 511
Topic
Internal energy does not include:
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 157
Topic
For a spontaneous process, entropy:
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 97
Topic
Combustion of glucose takes place according to the equation:
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 195
Topic
The heat of combustion of yellow phosphorous is – 9.91 kJ and of red phosphorous is – 8.78 kJ.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 128
Topic
At a constant volume the specific heat of a gas is 0.075 and its molecular weight is 40. The gas is:
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 85
Topic
S + O2 → SO2 + x kcal .....(1) SO2 + 1/2O2 → SO3 + y kcal ....(2) The heat of formation of SO3 in the above reaction is
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 131
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