Volume of an block is 5 cm3. If the density of the block is 250 g/cm3, what is the mass of the block ?

Why is metal often used for cooking pan?

9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.

Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.