Balancing equations
Balance the equation: H2 + O = H2O
What is already balanced?
or
What is H2 + O = H2O ?
A mole contains how many atoms of an element and what is this number called?
What is Avogadro’s number (6.022 x 1023)?
What is the mass of 4.30 moles of Aluminum (Al) in grams?
What is 116 grams of Aluminum?
What is the equation for percent yield?
What is (actual yield)/(expected yield) * 100?
How many moles of H2O will be required to make 19.2 moles of O2 in the equation 2H2 + O = H2O ?
What is 38.4 moles of H2O?
Balance the equation: Xe + F2 = XeF6
What is Xe + 3F2 = XeF6 ?
What are the units for Avogadro’s number?
What are Molecules, Formula Units, and Atoms?
What is the mass of 1 mole of NO3 in the compound Ca(NO3)2?
What is 124 grams of NO3?
What is the equation for percent mass?
What is (Molar mass of one element)/(Molar mass of the whole compound)*100?
What is the limiting reactant in the equation 2Mg + O2 = 2MgO if there are 7.8 moles of Mg and 4.7 moles of O2?
What is magnesium (Mg)?
Balance the equation: SiO2 + C = SiC + CO
What is SiO2 + 3C = SiC + 2CO ?
How many molecules are in 2 mols of CH4?
What is 12.04 x 1023 molecules of CH4?
What is the mass of 1 mole of C3H8O in grams?
What is 60 grams of C3H8O?
What is the percent yield of an equation if 16 grams were formed but the theoretical yield is 21 grams?
What is 76.19% ?
What is the mass in grams of MgO in the equation Mg + O2 = MgO if 15.5 grams of Mg is reacted with an excess amount of O2?
What is 25.7 grams of MgO?
Balance the equation: Al + H2SO4 = Al2(SO4)3 + H2
What is 2Al + 3H2SO4 = Al2(SO4)3 + 3H2 ?
How many formula units are in 5.25 mols of CaO?
What is 3.16*1024 formula units of CaO?
How many moles are in 127.5 grams of sodium chloride (NaCl)?
What is 2.182 moles of NaCl?
What is the percent mass of Iron in FeCl3?
What is 34.43% ?
How many grams of H2O will be produced from 58.2 litters of CH4 in the equation CH4 + 2O2 = CO2 + 2H2O? (Assume excess of O2)
What is 93.6 grams of H2O?
Balance the equation: NH3 + CuO = Cu + N2 + H2O
What is 2NH3 + 3CuO = 3Cu + N2 + 3H2O ?
How many moles of sulfur are in 4.6*1024 atoms of Sulfur?
What is 7.64 moles of Sulfur?
What is the mass of 1 mole of (MgSO4) * (7H2O) in grams?
What is 246.46 grams?
What is the percent yield of Oxygen in the formula 2KClO3→2KCl+3O2 if 40 grams of KClO3 is reacted to produce 14.9 grams of Oxygen?
What is 95.8% ?
(Note: Around the answer works)
What is the greatest amount of AlCl3 (in grams) that can be produced from 114 grams Al and 186 grams Cl2 in the equation Al + Cl2 = AlCl3?
What is 233 gram AlCl3?