Given the following reaction, how many grams of H2 would be formed from the decomposition of 1.5 grams of NH3? Reaction: 2 NH3 --> N2 + 3 H2

Iwill give extra points to who gets this right

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?

Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent