1. Balance the following equations C7H14 02 CO2 H20 PCI3 H20 H3PO3 HCI QUESTION 2 Ammonia...

 

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1. Balance the following equations C7H14 02 CO2 H20 PCI3 H20 H3PO3 HCI QUESTION 2 Ammonia reacts with diatomic oxygen to form nitrogen monoxide and water vapor: NH3 + 02 ® NO H20 When 40.0 g NH3 and 50.0 g 02 are allowed to react, what is the theoretical yield of this reaction? If 30 g of NO is produced, what is the % yield? QUESTION 3 Aqueous solutions of sodium sulfide and lead (II) nitrate are combined. The products are sodium nitrate and lead (II) sulfide. Write the net ionic equation. Na2s + Pb(NO3)2 → 2 NaNO3 PbS s2. (aд) + Pb2+, (aq) + 2NO3 (aq) 2NO3'aq) 2 Na' (aq) PbS(s) + + + (aq) 2 Na"(aq) + 2NO3 aq) - 2 NANO3(s) s2- (aq) Pb2+, PbS(s) + (aq) QUESTION 4 What element is oxidized in the chemical reaction Cu + HNO3 → Cu(NO3)2 + NO + H20 Cu The nitrogen of the HNO3 is oxidized The hydrogen of the HNO3 is oxidized The oxygen of the HNO3 is oxidized QUESTION 5 How much heat is generated if 20 grams of hydrogen is consumed in the following reaction? 2H2 02 2H20 570 kJ 1. Balance the following equations C7H14 02 CO2 H20 PCI3 H20 H3PO3 HCI QUESTION 2 Ammonia reacts with diatomic oxygen to form nitrogen monoxide and water vapor: NH3 + 02 ® NO H20 When 40.0 g NH3 and 50.0 g 02 are allowed to react, what is the theoretical yield of this reaction? If 30 g of NO is produced, what is the % yield? QUESTION 3 Aqueous solutions of sodium sulfide and lead (II) nitrate are combined. The products are sodium nitrate and lead (II) sulfide. Write the net ionic equation. Na2s + Pb(NO3)2 → 2 NaNO3 PbS s2. (aд) + Pb2+, (aq) + 2NO3 (aq) 2NO3'aq) 2 Na' (aq) PbS(s) + + + (aq) 2 Na"(aq) + 2NO3 aq) - 2 NANO3(s) s2- (aq) Pb2+, PbS(s) + (aq) QUESTION 4 What element is oxidized in the chemical reaction Cu + HNO3 → Cu(NO3)2 + NO + H20 Cu The nitrogen of the HNO3 is oxidized The hydrogen of the HNO3 is oxidized The oxygen of the HNO3 is oxidized QUESTION 5 How much heat is generated if 20 grams of hydrogen is consumed in the following reaction? 2H2 02 2H20 570 kJ