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Collecting Gas Over Water Solutions Library

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55 solutions

Collecting Gas Over Water

Q. A sample of oxygen gas was collected over water. The total pressure in the collection vessel was 744.2 torr, the temperature was 26.0°C and the ves...

Solved • Nov 29, 2019

Collecting Gas Over Water

Q. Small quantities of hydrogen can be prepared by the addition of hydrochloric acid to zinc. A sample of 195 mL of hydrogen was collected over water ...

Solved • Oct 4, 2019

Collecting Gas Over Water

Q. Calcium perbromate, Ca(BrO4)2 (m.w.= 327.9 g/mol) decomposes upon heating to release oxygen gas according to the equation below. A sample containin...

Solved • Aug 6, 2019

Collecting Gas Over Water

Q. Hydrogen gas is produced when zinc reacts with sulfuric acid:Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g)If 160 mL of wet H2 is collected over water at 24...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. Acetylene gas, C2H2(g), can be prepared by the reaction of calcium carbide with water: CaC2(s) + 2 H2O(l) → Ca(OH)2(s) + C2H2(g)Calculate the volum...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. Hydrogen peroxide (H2O2) decomposes in the presence of a catalyst to form water and oxygen. The catalyst is added to 5.00 mL of a hydrogen peroxide...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. Hydrogen peroxide (H2O2) decomposes in the presence of a catalyst to form water and oxygen. The catalyst is added to 5.00 mL of a hydrogen peroxide...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. Hydrogen peroxide (H2O2) decomposes in the presence of a catalyst to form water and oxygen. The catalyst is added to 5.00 mL of a hydrogen peroxide...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. Hydrogen peroxide (H2O2) decomposes in the presence of a catalyst to form water and oxygen. The catalyst is added to 5.00 mL of a hydrogen peroxide...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. Hydrogen peroxide (H2O2) decomposes in the presence of a catalyst to form water and oxygen. The catalyst is added to 5.00 mL of a hydrogen peroxide...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. A common way to make hydrogen gas in the laboratory is to place a metal such as zinc in hydrochloric acid (see the figure). The hydrochloric acid r...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. The air in a bicycle tire is bubbled through water and collected at 25 oC. If the total volume of gas collected is 5.50 L at a temperature of 25 oC...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. The zinc in a copper-plated penny will dissolve in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochloric...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. Binary compounds of alkali metals and hydrogen react with water to liberate H2 (g). The H2 from the reaction of a sample of NaH with an excess of w...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. Binary compounds of alkali metals and hydrogen react with water to liberate H2 (g). The H2 from the reaction of a sample of NaH with an excess of w...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. Consider the following reaction:2 NiO(s) → 2Ni(s) + O2(g)If O2 is collected over water at 40.0 oC and a total pressure of 746 mmHg , what volume of...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. The following reaction forms 15.1 g of Ag(s):What total volume of gas forms if it is collected over water at a temperature of 25 oC and a total pre...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. Modern pennies are composed of zinc coated with copper. A student determines the mass of a penny to be 2.483 g and then makes several scratches in ...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. The hydrogen gas formed in a chemical reaction is collected over water at 30.0 oC at a total pressure of 734 mmHg .What is the partial pressure of ...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. The hydrogen gas formed in a chemical reaction is collected over water at 30.0 oC at a total pressure of 734 mm Hg .If the total volume of gas coll...

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. When a gas is collected over water, is the gas pure?

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. When a gas is collected over water, is the gas pure? Why or why not

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. How can the partial pressure of the collected gas be determined?

Solved • Oct 31, 2018

Collecting Gas Over Water

Q. Consider the following reaction:2NiO(s) → 2Ni(s) + O2(g) If O2 is collected over water at 40.0°C and a total pressure of 744 mmHg, what volume of g...

Solved • Oct 24, 2018

Collecting Gas Over Water

Q. A 2.00-L sample of O2(g) was collected over water at a total pressure of 785 torr and 25°C. When the O2(g) was dried (water vapor removed), the gas...

Solved • Oct 18, 2018

Collecting Gas Over Water

Q. Helium is collected over water at 25°C and 1.00 atm total pressure. What total volume of gas must be collected to obtain 0.586 g helium? (At 25°C t...

Solved • Oct 18, 2018

Collecting Gas Over Water

Q. Small quantities of hydrogen gas can be prepared in the laboratory by the addition of aqueous hydrochloric acid to metallic zinc.Zn(s) + 2HCl(aq) →...

Solved • Oct 18, 2018

Collecting Gas Over Water

Q. In an experiment in a general chemistry laboratory, a student collected a sample of a gas over water. The volume of the gas was 265 mL at a pressur...

Solved • Oct 17, 2018

Collecting Gas Over Water

Q. A sample of carbon monoxide was collected over water at a total pressure of 756 torr and a temperature of 18 °C. What is the pressure of the carbon...

Solved • Oct 17, 2018

Collecting Gas Over Water

Q. A sample of a liquid hydrocarbon known to consist of molecules with five carbon atoms is vaporized in a 0.204-L flask by immersion in a water bath ...

Solved • Oct 14, 2018

Collecting Gas Over Water

Q. How many liters of hydrogen gas are collected over water at 18°C and 725 mmHg when 0.84 g of lithium reacts with water? Aqueous lithium hydroxide a...

Solved • Oct 14, 2018

Collecting Gas Over Water

Q. A sample of nitrogen gas was collected via water displacement. Since the nitrogen was collected via water displacement, the sample is saturated wit...

Solved • Sep 3, 2018

Collecting Gas Over Water

Q. A 0.486 gram sample of a metal, M, reacts completely with sulfuric acid according to:M(s) + H2SO4(aq) → MSO4(aq) + H2(g)A volume of 221 mL of hydro...

Solved • Aug 14, 2018

Collecting Gas Over Water

Q. Consider the reaction: 2NiO (s) → 2Ni (s)+ O2 (g) Oxygen gas is collected over water at 40.0°C and a barometric pressure of 745 torr. What volume o...

Solved • Aug 9, 2018

Collecting Gas Over Water

Q. The hydrogen gas formed in a chemical reaction is collected over water at 30.0°C at a total pressure of 728 mmHg.Part AWhat is the partial pressure...

Solved • Jul 25, 2018

Collecting Gas Over Water

Q. A sample of hydrogen was collected by water displacement at 23.0°C and an atmospheric pressure of 735 mmHg. Its volume is 568 mL. After water vapor...

Solved • Jul 17, 2018

Collecting Gas Over Water

Q. A sample of hydrogen gas was collected over water at 36°C and 855 mm Hg. The volume of the container was 6.50 L. Calculate the mass of H2 (g) colle...

Solved • Jul 17, 2018

Collecting Gas Over Water

Q. A sample of oxygen was collected over water at 25°C and 0.852 atm. If the total sample volume was 2.950 L, how many moles of O2 were collected? 

Solved • Jul 10, 2018

Collecting Gas Over Water

Q. Hydrogen produced from a hydrolysis reaction was collected over water and the following data was compiled. Calculate the moles of hydrogen gas prod...

Solved • Jun 12, 2018

Collecting Gas Over Water

Q. A common way to make hydrogen gas in the laboratory is to place a metal such as zinc in hydrochloric acid. The hydrochloric acid reacts with the me...

Solved • May 27, 2018

Collecting Gas Over Water

Q. The following reaction forms 14.0 g of Ag(s): 2Ag2O(s) → 4 Ag(s) + O2(g)What total volume of gas forms if it is collected over water at a temperatu...

Solved • May 21, 2018

Collecting Gas Over Water

Q. A piece of sodium metal reacts completely with water as follows:2Na (s) + 2H2O (l) → 2NaOH (aq) + H 2 (g)The hydrogen gas generated is collected ov...

Solved • May 21, 2018

Collecting Gas Over Water

Q. The hydrogen gas formed in a chemical reaction is collected over water at 30.0 °C at a total pressure of 732 mm Hg.a. What is the partial pressure ...

Solved • Mar 23, 2018

Collecting Gas Over Water

Q. Oxygen can be produced in the laboratory by the reaction 2KClO3(s) → 2KCl(s) + 3O2(g) .How much potassium chlorate is needed to produce 2.75 L of o...

Solved • Jun 28, 2017

Collecting Gas Over Water

Q. 2.34 liters of oxygen gas is collected over water at 1.0 atm and 25 °C. What is the mass of the oxygen gas (vapor pressure of water at 25 °C is 24 ...

Solved • May 29, 2017

Collecting Gas Over Water

Q. Consider the reaction:2 Ag2O(s) → 4 Ag(s) + O2(g)If this reaction produces 15.8 g of Ag(s), what total volume of gas can be collected over water at...

Solved • Jun 3, 2016

Collecting Gas Over Water

Q. Modern pennies are composed of zinc coated with copper. A student determines the mass of a penny to be 2.482 g and then makes several scratches in ...

Solved • Jun 3, 2016

Collecting Gas Over Water

Q. The zinc within a copper-plated penny will dissolve in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochl...

Solved • Jun 3, 2016

Collecting Gas Over Water

Q. The hydrogen gas formed in a chemical reaction is collected over water at 30.0 °C at a total pressure of 732 mmHg. What is the partial pressure of ...

Solved • Jun 3, 2016

Collecting Gas Over Water

Q. A 500 mL gas sample is collected over water at a pressure of 740 mmHg and 25°C. What is the volume of the dry gas at STP? (STP= 1 atm and 0°C.)Vapo...

Solved • May 9, 2016

Collecting Gas Over Water

Q. A sample of O2 was collected over water at 45.0°C when the barometric pressure was 872 mm Hg. The volume of the gas collected over the water was 5....

Solved • Mar 14, 2016

Collecting Gas Over Water

Q. A 5.0 L sample of nitrogen gas was collected over water at 60.0°C and a barometric pressure of 1.14 atm. What mass of nitrogen gas was actually col...

Solved • Mar 11, 2016

Collecting Gas Over Water

Q. In the following reaction, 81.2 mL of O 2(g) is collected over water at 23.0°C and a barometric pressure of 751 mm Hg. What must have been the mass...

Solved • Mar 10, 2016

Collecting Gas Over Water

Q. We have prepared acetylene, C2H2 (g), in class by the reaction of calcium carbide with water:  CaC2(s) + 2 H2O(l)  →  Ca(OH)2 (s) + C2H2(g) Calcu...

Solved • Mar 7, 2016

Collecting Gas Over Water

Q. According to the equation 2 KCIO 3(s) → 2 KCI(s) + 3 O 2(g)A 3.00 g sample of KCIO 3 (122.5 g/mol) decomposes and the oxygen is collected over wate...

Solved • Feb 12, 2016