1 cm³ of water at its boiling point absorbs 540 cal of heat to become steam with a volume of 1671 cm³. If the atmospheric pressure is 1.013 x 105 N/m² and the mechanical equivalent of heat is 4.19 Jcal-¹, the energy spend in this process in overcoming intermolecular forces is - VgyanHub

Question:

1 cm³ of water at its boiling point absorbs 540 cal of heat to become steam with a volume of 1671 cm³. If the atmospheric pressure is 1.013 x 105 N/m² and the mechanical equivalent of heat is 4.19 Jcal-¹, the energy spend in this process in overcoming intermolecular forces is

Options :

(a) 540 cal
(b) 40 cal
(c) 500 cal
(d) zero

Answer :

(c) 500 cal

Answer Steps :

step 1

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step 3

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