The temperature of 50g of water has to be risen from 15 C to 85 C by u – McqOptions

MCQOPTIONS

1.	The temperature of 50g of water has to be risen from 15 C to 85 C by using steam at 120 C. What is the amount of steam, in gms, required for the same? S_w= 1cal/ g C, L_vap = 540cal/g, S_steam =0.48cal/g C.
A.	6.29g
B.	8.34g
C.	7.22g
D.	6.19g
Answer» E.

Discussion

No Comment Found

Related MCQs

Same amount of heat is added to two substances of same mass having specific heat capacities s<sub>1</sub> & s<sub>2</sub> such that s<sub>1</sub> > s<sub>2</sub>. Select the correct statement.
What should be the temperature of 1g of ice, so that when it s added to 9g of water, lowers the temperature of water by 10 C? S<sub>w</sub> = 1cal/ g C, S<sub>ice</sub> = 0.5cal/ g C, L<sub>fus</sub>= 80cal/g.
30g water at 30 C is mixed with 1g of steam at 100 . Calculate the final temperature of the mixture. S<sub>w</sub> = 1cal/ g C, L<sub>vap</sub>= 540cal/g.
The temperature of 50g of water has to be risen from 15 C to 85 C by using steam at 120 C. What is the amount of steam, in gms, required for the same? S<sub>w</sub>= 1cal/ g C, L<sub>vap</sub> = 540cal/g, S<sub>steam</sub> =0.48cal/g C.
What is the definition of 1 calorie?
What is the principle of a calorimeter?
A calorimeter does not involve measurement of temperature. True or False?