Chapter 7, Problem 16P

A sample of solid iodine is heated with an electrical coil. If 72.7 Joules of energy are added to a 13.1 gram sample initially at 23.5°C, what is the final temperature of the iodine?

A rocket engine burns 8.5kg of fuel and oxidizer per second, and combinations gases exit the rocket at a velocity of 565m/s relative to the rocket, at a pressure approximately equal to the surrounding atmospheric pressure. Find the thrust produced by the rocket engine.

22   A power plant has efficiency of 30 % as compared to Fuel Cell power plants. This power plant can be .......................................... a. Geothermal Power Plant b. Wind Power Plant c. Thermal Power Plants d. Biomass Power Plant