Throttling calorimeter has steam entering as 10 MPa and leaving out at 0.05 MPa and 100°C. Determine dryness fraction of the steam.
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- An unknown piece of metal is heated to 98.0°C and dropped into a coffee cup calorimeter containing 250.0 g of water. The water in the calorimeter increases from 2.15°C to 23.0°C. the specific heat of water is 4.18 J/g°C. calculate the energey of the metal.Ti, 295.7K Tp=f (Ti,, Tig,V 11 Tiz 316.9K Solve for Tf. 100mL 50 ML Vz we have a foam cup uWth 100mL of cold water at 295.7 K. we then mix in 50 ML Of hot water at 31le.9K into the cold water. what is the final temperature 50 mL Of hot water at equillibrium?Question 4If a copper kettle has a base of thickness 2 mm and area 3 x 10^-2 m², estimate the steady difference in temperature between inner and outer surfaces of the base which must be maintained to enable enough heat to pass through so that the temperature of 1 kg of water rises at the rate of 0.25 K s^-1. Assume that there are no heat losses, the thermal conductivity of copper = 380 Wm^-1K^-1. and the specific heat capacity of water is 4200 Jkg^-1 K^-1.
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