7.) A sample of gas has 1.50 moles present in 0.650 L. What would be amount of moles of the gas if the volume increased to 1.2 L?

water is used to store them because it would keep the radiation from getting out in the open and causing harm to the workers

c. because step up transformer steps up the input voltage i.e increases the input voltage  

the number of turns are greater on the secondary side of step up transformer  

transformer does not handle dc current

i believe it is-

d.) gravity pulled particles of dust and gas together to form planets.