Is a measure of how many waves pass by in one second.
a. velocity
b. amplitude
c. frequency
d. wavelength

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.

Ln finding the density of liquid why is the method of using a density bottle more accurate than the one of using a measuring cylinder

Two atoms with different mass number but the same atomic number are called a) elements. b) ions. c) isotopes. d) nuclei.