if you attempt to react 6 moles of PCI, with 20 moles of H, O, what is the limiting reactant and how many moles of HCI can be made? PCI, + 4 H,0 - H, PO, + 5 HCI

Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Which characteristics can be used to differentiate star systems? check all that apply.