How much heat, in kilojoules, is needed to produce 1850 grams of ammonia (NH3), according to the following reaction?2 N2+ 6 H2O →4 NH3+ 3 O2H = + 1530 kJ with explanation

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?

Which statement are accurate about snow flakes

The diagin dilutepage 6 of 12a6a5(a)fluorine, chlorine, bromine and iodine are placed in the same group of theperiodic table.state the common name used to describe elements in this group.(i)state the group in which the elements are placed and explain whythey are placed in that group.(ii)which of the above named elements is a solid at roomtemperature and pressure?