Home
Class 11
PHYSICS
compared to burn due to air at 100^(@) a...

compared to burn due to air at `100^(@)` a burn due to steam at `100^(@)C` is

A

More dangerous

B

Less dangerous

C

Equally dangerous

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Heat required to convert 1 g of ice at 0^(@)C into steam at 100 ^(@)C is

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 ?

When you compare a cup of water at 100^@C and a bucket of water at 100^@C , you observe that …….

Work done in converting 1 g of ice at -10^@C into steam at 100^@C is

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)

One kilowatt electric heater is to be used with 220V d.c. supply. (i) What is the current in the heater? (ii) What is lts resistance? (iii) what is the power dissipated in the heater? (iv) How much heat in calories is produced per second? (v) How many grams of water at 100^(@)C will be converted per minute into steam at 100^(@)C , with the heater? Assume that the heat losses due to radiation are negligible. Latent heat of steam=540cal per gram.

How much work is done on the steam when 1.00 mol of water at 100^(@)C boils and becomes 1.00 mole of steam at 100^(@)C at 1.00 atm pressure? Assume the steam to behave as an ideal gas , determine the change in the internal energy of the material as it vapourizes.

How many calories of heat will be required to convert 1 g of ice at 0^(@)C into steam at 100^(@)C

One kilowatt electric heater is to be used with 220V DC supply. It converts (N xx10)/(3)g of water at 100^(0)C into steam at 100^(0)C in one minute. find the value N.

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