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Jaiyush19
Jaiyush19
@jaiyush19
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Joined: Sep 10, 2021
Last seen: Jul 13, 2023
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Topics: 2159 / Replies: 16
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Topic
In addition to some propane and ethane, LPG cylinders contain mainly two isomers of another alkane. Name the two isomers and write their condensed structural formulae.
4 years ago
Forum
Carbon and Its Compounds
Replies: 0
Views: 276
Topic
Name the element whose allotropic form is graphite.
4 years ago
Forum
Carbon and Its Compounds
Replies: 0
Views: 107
Topic
Name the scientist who disproved the ‘vital force theory’ for the formation of organic compounds.
4 years ago
Forum
Carbon and Its Compounds
Replies: 0
Views: 267
Topic
What are the two properties of carbon which lead to the formation of a large number of carbon compounds?
4 years ago
Forum
Carbon and Its Compounds
Replies: 0
Views: 285
Topic
Name the element whose one of the allotropic forms is buckminsterfullerene.
4 years ago
Forum
Carbon and Its Compounds
Replies: 0
Views: 221
Topic
What is the free energy change 'ΔG' when 1.0 mole of water at 100 ºC and 1 atm pressure is converted into steam at 100 °C and 1 atm pressure
4 years ago
Forum
Thermodynamics
Replies: 0
Views: 122
Topic
0.5 mole each of two ideal gases A(Cv,m = 5/2R) and B(Cv,m = 3R) are taken in a container and expanded reversibly and adiabatically, during this process temperature of gaseous mixture decreased from 350 K to 250 K. Find ΔH (in cal/mol) for the proces...
4 years ago
Forum
Thermodynamics
Replies: 0
Views: 171
Topic
What is the equilibrium constant if ATP hydrolysis by water produces standard free energy of -50 kJ/mol under normal body conditions?
4 years ago
Forum
Thermodynamics
Replies: 0
Views: 294
Topic
The molar entropies of HI (g) and I (g) at 298 K are 206.5, 114.6, and 180.7 J mol-1 K-1 respectively. Using the ΔG° given Below, calculate the bond energy of HI.
4 years ago
Forum
Thermodynamics
Replies: 0
Views: 170
Topic
For the reaction CO(g) + 1/2O2(g) → CO2(g), ΔH and ΔS are -283 kJ and -87 JK^-1, respectively. It was intended to carry out this reaction at 1000, 1500, 3000 and 3500 K.
4 years ago
Forum
Thermodynamics
Replies: 0
Views: 289
Topic
The heat of atomization of PH3(g) is 228 kcal mol-1 and that of P2H4(g) is 335 kcal mol^-1. The energy of the P–P bond is
4 years ago
Forum
Thermodynamics
Replies: 0
Views: 279
Topic
ΔHºf of water is -285.8 kJ mol^-1. If enthalpy of neutralisation of monoacidic strong base is -57.3 kJmol^-1. ΔHºf of OH^- ion will be
4 years ago
Forum
Thermodynamics
Replies: 0
Views: 186
Topic
For the reaction 2C6H5CO2H(s) + 15O2(g) → 14CO2(g) + 6H2O(g) ΔUº = -772.7 kJ mol^-1 at 298 K. Calculate ΔHº
4 years ago
Forum
Thermodynamics
Replies: 0
Views: 811
Topic
Which of the following pairs of processes is certain to occur in a spontaneous chemical reaction?
4 years ago
Forum
Thermodynamics
Replies: 0
Views: 246
Topic
A reaction is spontaneous at low temperature but non-spontaneous at high temperature. Which of the following is true for the reaction?
4 years ago
Forum
Thermodynamics
Replies: 0
Views: 313
Topic
One mole of solid iron was vaporized in an oven at its boiling point of 3433 K and enthalpy of vaporization of iron is 344.3 kJ mol^-1. The value of entropy vaporization (in J mol^-1) of iron is
4 years ago
Forum
Thermodynamics
Replies: 0
Views: 138
Topic
2 moles of an ideal gas at 27ºC temperature is expanded reversibly from 2 L to 20 L. Find entropy change
4 years ago
Forum
Thermodynamics
Replies: 0
Views: 136
Topic
Exponential growth of cells is a characteristic feature of
4 years ago
Forum
Biology
Replies: 0
Views: 117
Topic
Blastopore is the opening of (1) blastocoel (2) coelenteron (3) archenteron (4) coelom
4 years ago
Forum
Biology
Replies: 0
Views: 203
Topic
During regeneration, modification of an organ to other organ is known as
4 years ago
Forum
Biology
Replies: 0
Views: 178
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