2. If 45.4 grams of H20 are formed during the reaction, how many moles of Oz reacted? 4 NH3 + 5 O2 → 4 NO + 6 H2O

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

Heat is the total potential energy of a substance that can be transferred. true false

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?