10 kg of r-134a fill a 1.115-m3 rigid container at an initial temperature of –30°c. the container is then heated until the pressure is 200 kpa. determine the final temperature and the initial pressure. use data from the steam tables.

In science and physics what is the standard unit of measure for speed?

Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit