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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
Assertion: For an isothermal reversible process Q = –W i.e. work done by the system equals the heat absorbed by the system.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 166
Topic
Assertion: For a reaction 2NH3(g) → N2(g) + 3H2(g); ΔH > ΔE Reason : Enthalpy change is always greater than internal energy change.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 228
Topic
Assertion: When a salt such as NaCl dissolves, the Na^+ and Cl^- ions leaving the crystal lattice acquire far greater freedom.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 216
Topic
Assertion: Water in liquid state is more stable than ice at room temperature.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 178
Topic
Assertion: Molar enthalpy of vaporisation of water is different from ethanol.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 145
Topic
Assertion: ΔH and ΔE are almost same for the reaction N2(g) + O2(g) ⇌ 2NO(g)
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 298
Topic
Assertion: The increase in internal energy (ΔE) for the vaporization of one mole of water at 1 atm and 373 K is zero.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 189
Topic
Assertion: Absolute values of internal energy of substances cannot be determined.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 150
Topic
Assertion: Mass and volume are extensive properties.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 154
Topic
Assertion: During an adiabatic process, heat energy is not exchanged between system and its surroundings.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 169
Topic
Assertion: Entropy of ice is less than water. Reason: Ice has cage like structure.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 120
Topic
Assertion: Ionic reactions are not instantaneous. Reason: Oppositely charged ions exert strong forces.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 114
Topic
The ΔfH° for CO2(g), CO(g) and H2O(g) are -393.5, -110.5 and -241.8 kJ/mol respectively
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 136
Topic
The molar heat capacity of water at constant pressure is 75 JK^-1 mol^-1. When 1kJ of heat is supplied to 100 g of water
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 164
Topic
The standard enthalpies of combustion of C6H6(l), C(graphite) and H2(g) are respectively -3270 kJ mol^-1, -394 kJ mol^-1 and -286 kJ mol^-1.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 391
Topic
Choose the reaction in which ΔH is not equal to ΔU?
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 303
Topic
The enthalpy changes for the following processes are listed below :
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 228
Topic
Following reaction occurrs in an automobile 2C8H18(g) + 25O2(g)→ 16CO2(g) + 18H2O(g)
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 144
Topic
What is the enthalpy change for, 2H2O2(l) → 2H2O(l) + O2(g) if heat of formation of H2O2(l) and H2O(l) are
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 353
Topic
The ΔH°f for CO2 (g), CO(g) and H2O (g) are -393.5, -110.5 and –241.8 kJ mol^-1 respectively.
5 years ago
Forum
Thermodynamics
Replies: 0
Views: 231
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