Question 21
Calculate the energy required to vapourise 50g of water initially at 80oC.[specific heat capacity of water = 2260Jg-1K-1][specific latent heat of vaporisation of water = 2260Jg-1]
Objective
Question details
- Exam body
- WAEC
- Subject
- Physics
- Year
- 2002
- Question no.
- #21
- Type
- Objective
More from this paper
- Q17Which of the following actions will improve the efficiency of the pulley system?
- Q18The ice and steam points of a certain thermometer are -20 o and 100 o…
- Q19The silver coating on the inside of a vacuum flask reduces heat loss by
- Q23A slinky spring fixed at one end is placed horizontally on a table. The free end…
- Q24A radio wave has a wavelength of 150m. If the velocity of radio waves is free…
- Q25In the wave equation y = E o , sin(299t - \(\pi\)), E o represents the