steam engine and turbine

what is steam

• the vapour into which water is converted when heated, forming a white mist of minute water droplets in the air.

• snow falling from the mountains a a temperature of -25 degrees

• smoke of burning wood

how many types of steam engines exist

• 4

• 3

• 2

• 1

how many types of turbine exist

• 4

• 3

• 1

• 2

A steam engine is a machine that burns coal to (a)   the heat energy it contains

A steam turbine heats water to extremely high (a)   before converting it to steam using a heat source.

A 30.0 L sample of nitrogen inside a rigid, metal container at 20.0 °C is placed inside an oven whose temperature is 50.0 °C. The pressure inside the container at 20.0 °C was at 3.00 atm. What is the pressure of the nitrogen after its temperature is increased to 50.0 °C?

• 3.31

• 3.32

• 3.33

• 3.34

Determine the pressure change when a constant volume of gas at 1.00 atm is heated from 20.0 °C to 30.0 °C

• 1.50

• 1.51

• 1.54

• 1.49