Compared to a burn due to water at 100^(...

Compared to a burn due to water at `100^(@)C` , a burn due to steam at `100^(@)C` is

More dangerous

Less dangerous

Equally dangerous

None of these

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1gm water at 100^(@)C is heated to convert into steam at 100^(@)C at 1atm . Find out chage in internal energy of water. It is given that volume of 1gm water at 100^(@)C = 1c c , volume of 1gm steam at 100^(@)C = 167 1 c c . Latent heat of vaporization = 540 cal//g . (Mechanical equivalent of heat J = 4.2J//cal)

Which contains more heat, 1 kg of water at 100^(@)C or 1 kg of steam at 100^(@)C ? Give reason for your answer.

The heat of combustion of ethane gas is -368 kcal mol^(-1) . Assuming that 60% of heat is useful, how many m^(3) of ethane measured at NTP must be burned to supply heat to convert 50 kg of water at 10^(@)C to steam at 100^(@)C ?

What is the free energy change, 'DeltaG' When 1.0 mole of water at 100^(@)C and 1 atm pressure is converted into steam at 100^(@)C and 1 atm pressure

ERRORLESS -THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY -Calorimetery

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