Standard enthalpy of formation is zero f...

Standard enthalpy of formation is zero for

Diamond

graphite

`Br^-(aq)`

`Cl_2(g)`

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AAKASH INSTITUTE ENGLISH-TEST 3-EXERCISE

A liquid is in equilibrium with its vapour at a certain temperature. I...
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The work done by one mole of ideal gas when its teperature is increase...
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Standard enthalpy of formation is zero for
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Ratio of the rate of effusion of oxygen gas at 1.5 atm to that of heli...
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Compressibility factor under critical state of a gas is
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An air bubble formed under water at temperature 17^oC and the pressure...
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A gaseous mixture contains 220 g of carbon dioxide and 280 g of nitrog...
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If the enthalpies of formation of C3H8(g), CO2(g) and H2O(l) at standa...
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When 5 moles of an ideal gas is expended at 350 K reversibly from 5 L ...
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When 1.5 mol of a gas is heated at constant volume from 300 K to 350 K...
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For which of the following reactions, deltaH = deltaU?
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Select the state functions among the following. (i) U + PV (i...
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The bond energies of H - H and I - I bonds are 435 kJ mol^-1 and 150 k...
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The ratio of everage speed, most probable speed and root mean square s...
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If the energy absorbed by each X2 molecule of a gas is 3.5xx10^-19 J a...
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Ratio of everage kinetic energy of 14 g of N2 at 27^oC to 24 g of O2 a...
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In vander waals gas equation, the term that accounts for the volume oc...
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The root mean square speed at NTP for the gases CH4,H2,He and F2 are i...
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At 127^oC, heat of fusion of a compound is 4.8kJ/mol. Entropy change f...
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A gas expands in an insulated container against a constant external pr...
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