11. A fuel-air mixture is placed in a cylinder fitted with a piston The original

Question

11. A fuel-air mixture is placed in a cylinder fitted with a piston The original volume is 0.245-L When the mixture is ignited, gases are produced and s65 Jof energy is released. To what volume will the gases expand against a constant pressure of 635 mmHg, if all the energy released is converted to work to push the piston? 1.61 L B) 738L C) 10.2 L D) 9.97L 12. In which of the following does nitrogen have the highest oxidation state? A) NO B) NaNO: C) D) NH C1 E) HNO, water, as shown. What volume of carbon dioxide will be produced at STP from the reaction of A) 6.00 with 7.00 of oxygen? LCO: 800 L C) Lco: 14. N acid. HNO was firs (called saltpeter) with prepared 1200 years ago by uced. Calcula sulfuric acid to produce sodium bisulfate and nitrate e AH s for this reaction. collecting vapors of HNO, -4678kl the mol. Alr A) 644.2 kJ B) 21.2 C) 212 E) -644.2 What volume of carbon dioxide measured at STP will be formed by the reaction of126 mol of oxygen with 0.900 mol of ethyl alcohol, CH:CH DH? A) 28.2 L B) 18.8 L C) 40.3 mL D) 42.3 L E) 0.840 L

Explanation / Answer

my choose:

11)A

12)A

13) C

14) D

15) C

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