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- 1. Multiple ChoiceN2 + 3H2 → 2NH3
How many moles of hydrogen are needed to react with 2 moles of nitrogen?6231 - 2. Multiple Choice2H2 + O2 → 2H2O
How many moles of water can be produced if 8 moles H2 are used?4 moles8 moles16 moles2 moles - 3. Multiple ChoiceFor the Balanced Reaction: 3 Mg + 1 Fe2O3 → 3 MgO + 2 Fe; What is the Ratio of moles of MgO to moles Fe?3mol Mg / 2 mol Fe2 mol Mg/ 3 mol Fe1 mol Fe/ 2 mol Fe3 mol MgO / 2 mol Fe
- 4. Multiple ChoiceCl2 + 2KBr → Br2 + 2KCl
How many grams of potassium chloride (KCl) can be produced from 356 g of potassium bromide (KBr)?749 g223 g479 g814 g - 5. Multiple ChoiceCH4 + 2 O2 → CO2 + 2 H2O
How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?13.7 mol2.75 mol6.11 mol6.85 mol - 6. Multiple ChoiceB2H6 + 3O2 -->2 HBO2 + 2 H2O
What mass of O2 will be needed to burn 36.1 g of B2H6?13.8 g O23.86 mol of O2125.2 g O2 - 7. Multiple ChoiceBalance the following reaction :
CaC₂(s) + H₂O(l) --> C₂H₂(g) + Ca(OH)₂(aq)1,2,2,21,2,1,12,1,1,12,1,2,1 - 8. Multiple ChoiceUsing the following equation:
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 3 moles of Fe2O3?6 moles Fe4 moles Fe2 moles Fe1 moles Fe - 9. Multiple Choice
4 Al + 3 O2 –> 2 Al2O3 How much aluminum would be needed to completely react with 45 grams of O2?
1.05 moles
3.75 moles
0.875 grams
1.875 moles
- 10. Multiple Choice2Al + 3H2SO4 -> Al2(SO4)3 + 3H2
How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?0.85 g290 g450 g870 g - Answer choicesTagsAnswer choicesTags