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Hydrogen Peroxide

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ntThe heat liberated when 1.89 gram of benzoic acid is burnt in a Bomb calorimeter at 25 degree Celsius increases the temperature of 18.94 kilogram of water by 0.632 degree Celsius if the specific heat of water at 25 degree centigrade is 0.998 calorie per gram degree. What is the value of heat of combustion of benzoic acid??n

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Q. The heat liberated when

1.89 g

of benzoic acid is burnt in a bomb calorimeter at

25^{o} C

and it increases the temperature of

18.94 k g

0.632^{o} C

. If the specific heat of water at

25^{o} C

0.998 c a l / g / d e g

, the value of the heat of combustion of benzoic acid is

Q. The heat liberated when

1.89

g of benzoic acid is burnt in a bomb calorimeter at

25^{o}

C increases the temperature of

18.94

kg water in calorimeter by

{0.632}^{o}

C. If the specific heat of water at

25^{o}

0.998

g^{- 1}

d e g^{- 1}

, then the value of the heat of combustion of benzoic acid is:

Q. The heat linerated when

1.89 g

of benzoic acid is burnt in a bomb calorimeter at

25^{o} C

increases the temperature of

18.94 k g

{0.632}^{o} C

. If the specific heat of water at

25^{o} C

0.998 c a l g^{- 1}

{d e g}^{- 1}

, the value of heat of combustion of benzoic acid is:

One calorie is the heat energy required to raise the temperature of one gram of water by ___ degree Celsius at a pressure of one atmosphere.

Q. A mass of 50 gram of water in a closed vessel with surroundings at a constant temperature takes 2 minutes to cool from 30 degree Celsius to 25 degree Celsius. Another liquid in analytical vessel with identical surroundings takes the same time to cool from 30 degree Celsius to 25 degree Celsius. Specific heat of liquid is ?

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