Untitled document - 2023-11-15T182725.498

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Chemistry

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Nov 24, 2024

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35) Given the balanced equation CO2 + Si → SiO2 + C, if you were to react 1 mole of CO2 with 1 mole of Si, which statement is TRUE? A) The CO2 is the limiting reactant. B) The Si is the limiting reactant. C) The SiO2 is the limiting reactant. D) You have equal stoichiometric amounts of reactants. E) none of the above D) You have equal stoichiometric amounts of reactants. 36) A balanced chemical equation used to prepare ammonium carbonate, (NH4)2CO3 , is: 2 NH3 + CO2 + H2O > (NH4)2CO3 Which choice of reactant quantities shown below would result in the greatest amount of ammonium carbonate being formed? A) React 2 moles NH3 , 1 mole CO2 , and 1 mole H2O B) React 2 moles NH3 , 8 moles CO2 , and 8 moles H2O C) React 4 moles NH3 , 1 mole CO2 , and 2 moles H2O D) React 4 moles NH3 , 2 moles CO2 , and 2 moles H2O E) none of the above D) React 4 moles NH3 , 2 moles CO2 , and 2 moles H2O 37) If the theoretical yield of a reaction is 42.0 grams of product and the percent yield is 75%. How many grams were actually produced? A) 5400 B) 56 C) 32 D) 1.8 E) none of the above C) 32
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