Chemistry Test 4 |87 Questions| With Correct Answers.

Which one of the following conversion factors is not consistent with the equation? 4NH3 + 5O2 ---> 4NO + 6H2O {Ans: 4 moles NH3/ 5 moles H2O}How many moles of Al are needed to react exactly with 10.00 moles of Fe2O3 according to the following equation? Fe2O3 + 2Al ---> Al2O3 + 2Fe {Ans: 20.0 moles}One mole of ammonium nitrate contains: {Ans: 2 moles of nitrogen}How many moles of NO2 can be produced from 14.0 g of NO and 4.00 g of O2 according to the equation: 2NO + O2 --> 2NO2 {Ans: 0.250 moles}In comparing 1 mole of carbon atoms to one mole of magnesium atoms, which statement is true? {Ans: The mass of 1 mole of magnesium is greater than the mass of 1 mole of carbon}One mole of potassium sulfate contains: {Ans: 4 moles of oxygen}