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WorksheetsStoichiometry and Gas Laws
Total questions: 12
Worksheet time: 12mins
Hydrogen and oxygen react under a specific set of conditions to produce water according to the follwoing: 2H2(g) + O2(g) --> 2H2O(g). How many moles of hydrogen would be required to produce 5.0 mol of water?
5.0 mol H2
4.0 mol H2
7.0 mol H
5.0 mol of H
If 4.50 mol of ethane, C2H6, undergo combustion according to the unbalanced equation C2H6 + O2 --> CO2 + H2O, how many moles of oxygen are required?
16.8 mol O2
15.8 mol O2
16.0 mol O2
15.9 mol O2
Given the reactant amounts specified in each chemical equation, determine the limiting reactant in the following case: 2.0 mol HCl + 2.5 mol NaOH --> NaCl + H2O
Hydrochloric Acid is the Limiting Reactant
Nitrogen Hydroxide is the Limiting Reactant
Hydrochloride is the Limiting Reactant
Sodium Hydroxide is the Limiting Reactant
Convert the following in a pressure reading expressed in torr: 1.25 atm
1.25 torr
608 torr
126.65625 torr
905 torr
Convert the following into the unit specified: 125 mm Hg into atm.
95000 atm
0.165 atm
6.08 atm
950 atm
Convert the following into the unit specified: 3.20 atm into Pa
3.24 x 104 Pa
3.2424 Pa
3,242.4 Pa
3.24 x 105 Pa
Convert the following into the unit specified: 5.38 kPa into torr
4088.8 torr
141.26 torr
40.4 torr
131.03 torr
A sample of gas at 47 degrees C and 1.03 atm occupies a volume of 2.20 L. What volume would this gas occupy at 107 degrees C and 0.789 atm?
3.41 L
5.01 L
17.8 L
0.09 L
The pressure exerted on a 240. mL sample of hydrogen gas at consatnt temperature is increased from 0.428 atm to 0.724 atm. What will the final volume of the sample be?
142 L
142 mL
0.1419 L
141.878453 mL
At standard temperature, a gas has a volume of 275 mL. The temperature is then increased to 130 degrees C, and the pressure is held constant. What is the new volume?
305 mL
186 mL
406 mL
400 mL
KClO3 when heated decomposes to what?
Carbon Dioxide, Water and Potassium Chloride
Potassium Chlorite and Oxygen gas
Potassium Chloride and Oxygen gas
Potassium Chloride and Oxygen gas
When 8 moles of potassium chlorate is heated, it will liquify into a different compound. When that product is introduced to sucrose, C12H22O12, a combustion reaction occurs. What is the final product?
12CO2(g) + 11H2O(g) + 8KCl(s)
6CO2(l) + 10H2O(l) + 4KCl(g)
12CO2(g) + 11H2O(g) + 4KCl(s)
12CO2(l) + 11H2O(l) + 8KCl(g)
