What volume of oxygen gas reacts with 20.0 mL temperature and pressure remain co

Question

What volume of oxygen gas reacts with 20.0 mL temperature and pressure remain constant.)_HCI(g) + -O_2(11)_CI_2(g) + H_2O(g) 5.00 mL 10.0 mL 20.0 mL 40.0 mL none of the above What volume of oxygen gas reacts with 5.00 mL of methane, CH_4? (Assume temperature and pressure remain constant.)_CH_4(g) +_O_2 CO_2(g) + H_2O(p) 2.50 mL 5.00 mL 10.0 mL 20.0 mL none of the above Considering the limiting reactant concept, how many moles of copper(l) sulfide arc produced from the reaction of 3.00 mol of copper and 1.00 mol of sulfur? 2 Cu(s) + S(s) Cu_2S(s) 1.00 mol 1.50 mol 4.00 mol 6.00 mol none of the above Starting with 1.56 g of salicylic acid, a student prepares 1.75 g of aspirin. If the calculated mass of aspirin is 1.88 g, what is the percent yield?

Explanation / Answer

5)

4HCl + O2 ----> 2Cl2 + 2 H2O

4 mol of HCl reacts with 1 mol of O2

4:1 ratio

so volume of O2 20/4 = 5 mL

Answer: A

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