Physics-
General
Easy
Question
An ideal gas is taken through the cycle A
BCA as shown in the figure, If the net heat supplied to the gas in the cycle is 
, the work done by the gas in the process CA is
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The correct answer is: -
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Acyclic Process ABCD is Shown in the PV diagam. which of the following curves represent the same Represent the same Process?
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Figure shows four PV diagrams which of these curves represent. isothermal and adiabatic processes?
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When a System is taken from State I to State falling the path if, it is found that Q=70 cal and w =30 cal, along the path ibf Q=52c al. W atoug the path if is
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If 
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If 
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If 
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Wafer of volume 2 filter in a container is heated with a coil of 1kw at 27°C. The lid of the containes is open and energy dissipates at the late of 
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Starting with the same initial Conditions, an ideal gas expands from Volume 
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A given mass of a gas expands from state A to B by three different paths 1,2 and 3 as shown in the figure. If 
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The enthalpy change at 298K in successive breaking of O–H bonds of water are H2O→H(g)+OH(g);ΔH=498KJmol–1 OH(g)→H(g)+O(g);ΔH=428KJmol–1 the bond enthalpy of O–H bond is-
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chemistry-General
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The enthalpy change for the reaction H2(g)+C2H4(g)→C2H6(g)is........The bond energies are,H–H=103,C–H=99,C–C=80&C=C=145Kcalmol–1
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chemistry-General
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Heat of neutralisation of oxalic acid is–106.7KJ mol–1using NaOH hence ΔH of-H2C2O4→C2O2–+2H+is
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The change in the enthalpy of NaOH+HCl→NaCl+HO is called:
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chemistry-General
