The 1H nucleus is composed of a single proton and therefore has a relative mass loss of 0 g/mol. Select the isotope deuterium, 2H. What is the relative mass loss of deuterium, 2H, in g/mol?

Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

In 2002, the rare earth elements mine in mountain pass, california was closed because