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Gas Stoichiometry Solutions Library

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148 solutions

Gas Stoichiometry

Q. Butane, C4H10, is a component of natural gas that is used as fuel for cigarette lighters. The balanced equation of the complete combustion of butan...

Solved • Jul 2, 2020

Gas Stoichiometry

Q. Imagine that you have a 6.00 L gas tank and a 2.00 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunc...

Solved • Jul 2, 2020

Gas Stoichiometry

Q. What is the mass percentage of aluminum in this alloy?Express your answer numerically.A 0.250-g sample of a magnesium-aluminum alloy dissolves comp...

Solved • Jul 2, 2020

Gas Stoichiometry

Q. How many moles of H2 can be produced from y grams of Al in magnesium-aluminum alloy? The molar mass of Al is 26.98 g/mol.Express your answer in ter...

Solved • Jul 2, 2020

Gas Stoichiometry

Q. Part A. What is the empirical formula for the gas formed?Express your answer as a chemical formula. When elemental sulfur, S8, is heated with AgF, ...

Solved • Jul 1, 2020

Gas Stoichiometry

Q. Two common compounds used to generate energy are gasoline (C8H18) and natural gas (mostly methane (CH4). Unfortunately, both methane and gasoline p...

Solved • Apr 28, 2020

Gas Stoichiometry

Q. At 477 K and 645 mmHg, what volume of N2 will react completely with 29.2 L H2 to produce NH3?A) 24.4 LB) 12.2 LC) 7.40 LD) 9.7 L

Solved • Apr 15, 2020

Gas Stoichiometry

Q. What volume of O2 at 798 mmHg and 41 °C is required to synthesize 12.5 mol of NO? Express your answer to three significant figures and include the ...

Solved • Mar 25, 2020

Gas Stoichiometry

Q. Part A What volume of O2 at 760. mmHg and 23 °C is required to synthesize 25.0 mol of NO? Express your answer to three significant figures and incl...

Solved • Mar 25, 2020

Gas Stoichiometry

Q. Calcium carbide reacts with water to produce acetylene gas, C2H2.CaC2 (s) + 2 H2O (l) → Ca(OH)2 (aq) + C2H2 (g)Calculate the volume (in liters) of ...

Solved • Mar 20, 2020

Gas Stoichiometry

Q. When KClO3(s) (molar mass = 122.55 g mol–1 ) is heated at high temperature, it decomposes to give KCl(aq) (molar mass = 74.55 g mol–1 ) and O2(g) (...

Solved • Oct 4, 2019

Gas Stoichiometry

Q. Calcium carbide reacts with water to produce acetylene gas, C 2H2.CaC2 (s) + 2 H2O (l) → Ca(OH)2 (aq) + C2H2 (g)Calculate the volume (in liters) of...

Solved • Jul 9, 2019

Gas Stoichiometry

Q. Silver oxide decomposes when heated:2 Ag2O(s) → 4 Ag(s) +  O2(g)If 5.76 g of Ag2O is heated and the O2 gas produced by the reaction is collected in...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Gaseous iodine pentafluoride, IF5, can be prepared by the reaction of solid iodine and gaseous fluorine:I2 (s) + 5 F2(g) → 2 IF5 (g)A 5.10-L flask ...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Consider the combustion reaction between 26.0 mL of liquid methanol (density = 0.850 /mL) and 13.0 L of oxygen gas measured at STP. The products of...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Ammonia, NH3(g), and hydrogen chloride, HCl(g), react to form solid ammonium chloride, NH4Cl(s):NH3(g) + HCl(g) → NH4Cl(s)Two 2.50 L flasks at 30.0...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Chlorine dioxide gas (ClO2) is used as a commercial bleaching agent. It bleaches materials by oxidizing them. In the course of these reactions, the...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Assume that an exhaled breath of air consists of 74.7 % N2, 15.4 % O2, 3.8 % CO2, and 6.1 % water vapor.(a) If the total pressure of the gases is 0...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. A 3.90-g sample of a mixture of CaO and BaO is placed in a 1.00-L vessel containing CO2 gas at a pressure of 735 torr and a temperature of 26 oC. T...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Natural gas is very abundant in many Middle Eastern oil fields. However, the costs of shipping the gas to markets in other parts of the world are h...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. A 6.54 g sample of a mixture of magnesium carbonate and calcium carbonate is treated with excess hydrochloric acid. The resulting reaction produces...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Both Jacques Charles and Joseph Louis Guy-Lussac were avid balloonists. In his original flight in 1783, Jacques Charles used a balloon that contain...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Magnesium can be used as a "getter" in evacuated enclosures to react with the last traces of oxygen. (The magnesium is usually heated by passing an...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Calcium hydride, CaH2, reacts with water to form hydrogen gas:CaH2(s) + 2H2O(l) → Ca(OH)2(aq) + 2 H2(g)This reaction is sometimes used to inflate l...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Nitrogen and hydrogen gases react to form ammonia gas via the following reaction:N2(g) + 3H2(g) → 2NH3(g)At a certain temperature and pressure, 1.6...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. In the reaction shown here, 4.55 L of O2 was formed at P = 746 mmHg and T = 308 K .2Ag2O(s) → 4Ag(s)+O2(g)How many grams of Ag2O decomposed?

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Consider the following chemical reaction:2 H2O(l) → 2 H2(g) + O2(g)What mass of H2O is required to form 1.5 L of O2 at a temperature of 320 K and a...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Oxygen gas reacts with powdered aluminum according to the following reaction:4 Al(s) + 3 O2(g) → 2 Al2O3(s)What volume of O2 gas, measured at 778 m...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. The world burns approximately 3.7 x 1012 kg of fossil fuel per year.By what percentage does the concentration increase each year due to fossil fuel...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Aluminum reacts with chlorine gas to form aluminum chloride.2 Al(s) + 3 Cl2(g) → 2 AlCl3(s)What minimum volume of chlorine gas (at 298 K and 251 mm...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. A mixture of NH3(g) and N2H4(g) is placed in a sealed container at 320 K . The total pressure is 0.49 atm . The container is heated to 1200 K at wh...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. A catalytic converter in an automobile uses a palladium or platinum catalyst to convert carbon monoxide gas to carbon dioxide according to the foll...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. A mixture of CO(g) and O2 (g) in a 1.2 -L container at 1.1×103 K has a total pressure of 2.4 atm . After some time the total pressure falls to 1.9 ...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. The emission of NO2 by fossil fuel combustion can be prevented by injecting gaseous urea into the combustion mixture. The urea reduces NO (which ox...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. When hydrochloric acid is poured over potassium sulfide, 43.1 mL of hydrogen sulfide gas is produced at a pressure of 754 torr and 25.8 oC.Determin...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Consider the following reaction:2 SO2 (g) + O2(g) → 2 SO3(g)If 282.8 mL of SO2 is allowed to react with 160.5 mL of O2 (both measured at 316 K and ...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Consider the following reaction:2 SO2 (g) + O2(g) → 2 SO3(g)282.8 mL of SO2 is allowed to react with 160.5 mL of O2 (both measured at 316 K and 50....

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Consider the following reaction:2 SO2 (g) + O2(g) → 2 SO3(g)If 282.8 mL of SO2 is allowed to react with 160.5 mL of O2 (both measured at 316 K and ...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Ammonium carbonate decomposes upon heating according to the following balanced equation: (NH4)2CO3(s) → 2 NH3(g) + CO2(g) + H2O(g). Calculate the t...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Ammonium nitrate decomposes explosively upon heating according to the following balanced equation: 2 NH4NO3(s) → 2 N2(g) + O2(g) + 4 H2O(g). Calcul...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. A 2.90 -g sample of an unknown chlorofluorocarbon is decomposed and produces 572 mL of chlorine gas at a pressure of 754 mm Hg and a temperature of...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Consider the following chemical reaction: C(s) + H2O(g) → CO(g) + H2(g). How many liters of hydrogen gas is formed from the complete reaction of 16...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. CH3OH can be synthesized by the following reaction.CO(g) + 2 H2(g) → CH3OH(g)What volume of H2 gas (in L), measured at 750 mm Hg and 88 oC, is requ...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. CH3OH can be synthesized by the following reaction.CO(g) + 2 H2(g) → CH3OH(g)How many liters of CO gas, measured under the same conditions, is requ...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Ozone is depleted in the stratosphere by chlorine from CF3Cl according to the following set of equations:CF3Cl + UV light → CF3 + ClCl + O3 → ClO +...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Chlorine gas reacts with fluorine gas to form chlorine trifluoride.Cl2(g) + 3F2(g) → 2ClF3(g)A 2.05 L reaction vessel, initially at 298 K, contains...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Carbon monoxide gas reacts with hydrogen gas to form methanol via the following reaction:CO(g) + 2 H2(g) → CH3OH(g)A 1.55 L reaction vessel, initia...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. A particular kind of emergency breathing apparatus-often placed in mines, caves, or other places where oxygen might become depleted or where the ai...

Solved • Oct 31, 2018

Gas Stoichiometry

Q. Part AConsider the following chemical reaction: 2H2O(l) → 2H2(g) + O2(g) What mass of H2O is required to form 1.5 L of O2 at a temperature of 295 K...

Solved • Oct 24, 2018

Gas Stoichiometry

Q. Part AWhat is the volume occupied by 14.1 g of argon gas at a pressure of 1.20 atm and a temperature of 400 K? Express your answer with the appropr...

Solved • Oct 24, 2018

Gas Stoichiometry

Q. Lithium reacts with nitrogen gas according to the following reaction: 6Li(s)+ N2 (g) → 2Li3N(s) What mass of lithium is required to react completel...

Solved • Oct 23, 2018

Gas Stoichiometry

Q. Oxygen gas reacts with powdered aluminum according to the following reaction 4Al(s) + 3O2(g) → 2Al2O3(s)What volume of O2 gas, measured at 765 mmHg...

Solved • Oct 23, 2018

Gas Stoichiometry

Q. Chlorine gas reacts with fluorine gas to form chlorine trifluoride. Cl2 (g) + 3F2 (g) → 2CIF3 (g) A 2.05 L reaction vessel, initially at 298 K, con...

Solved • Oct 23, 2018

Gas Stoichiometry

Q. Consider the unbalanced chemical equation below:CaSiO3(s) + HF(g) → CaF2(aq) + SiF4(g) + H2O(l)Suppose a 32.9-g sample of CaSiO3 is reacted with 31...

Solved • Oct 18, 2018

Gas Stoichiometry

Q. Nitric acid is produced commercially by the Ostwald process. In the first step ammonia is oxidized to nitric oxide:4NH3(g) + 5O2(g) → 4NO(g) + 6H2O...

Solved • Oct 18, 2018

Gas Stoichiometry

Q. A 20.0-L stainless steel container at 25°C was charged with 2.00 atm of hydrogen gas and 3.00 atm of oxygen gas. A spark ignited the mixture, produ...

Solved • Oct 18, 2018

Gas Stoichiometry

Q. A 2.747-g sample of manganese metal is reacted with excess HCl gas to produce 3.22 L H2(g) at 373 K and 0.951 atm and a manganese chloride compound...

Solved • Oct 18, 2018

Gas Stoichiometry

Q. The oxides of Group 2A metals (symbolized by M here) react with carbon dioxide according to the following reaction:MO(s) + CO2(g) → MCO3(s)A 2.85-g...

Solved • Oct 18, 2018

Gas Stoichiometry

Q. Some very effective rocket fuels are composed of lightweight liquids. The fuel composed of dimethylhydrazine [(CH3)2N2H2] mixed with dinitrogen tet...

Solved • Oct 18, 2018

Gas Stoichiometry

Q. Hydrogen azide, HN3, decomposes on heating by the following unbalanced equation:HN3(g) → N2(g) + H2(g)If 3.0 atm of pure HN3(g) is decomposed initi...

Solved • Oct 18, 2018

Gas Stoichiometry

Q. Xenon and fluorine will react to form binary compounds when a mixture of these two gases is heated to 400°C in a nickel reaction vessel. A 100.0-mL...

Solved • Oct 18, 2018

Gas Stoichiometry

Q. Ethene is converted to ethane by the reactionC2H4(g) + H2(g)     C2H6(g)C2H4 flows into a catalytic reactor at 25.0 atm and 300.°C with a flow rate...

Solved • Oct 18, 2018

Gas Stoichiometry

Q. Urea (H2NCONH2) is used extensively as a nitrogen source in fertilizers. It is produced commercially from the reaction of ammonia and carbon dioxid...

Solved • Oct 18, 2018

Gas Stoichiometry

Q. An important process for the production of acrylonitrile (C3H3N) is given by the following equation:2C3H6(g) + 2NH3(g) + 3O2(g) → 2C3H3N(g) + 6H2O(...

Solved • Oct 18, 2018

Gas Stoichiometry

Q. A 15.0-L rigid container was charged with 0.500 atm of krypton gas and 1.50 atm of chlorine gas at 350.°C. The krypton and chlorine react to form k...

Solved • Oct 18, 2018

Gas Stoichiometry

Q. In 1897 the Swedish explorer Andreé tried to reach the North Pole in a balloon. The balloon was filled with hydrogen gas. The hydrogen gas was prep...

Solved • Oct 18, 2018

Gas Stoichiometry

Q. Concentrated hydrogen peroxide solutions are explosively decomposed by traces of transition metal ions (such as Mn or Fe):2H2O2(aq) → 2H2O(l) + O2(...

Solved • Oct 18, 2018

Gas Stoichiometry

Q. Before small batteries were available, carbide lamps were used for bicycle lights. Acetylene gas, C2H2, and solid calcium hydroxide were formed by ...

Solved • Oct 17, 2018

Gas Stoichiometry

Q. The chlorofluorocarbon CCl2F2 can be recycled into a different compound by reaction with hydrogen to produce CH2F2(g), a compound useful in chemica...

Solved • Oct 17, 2018

Gas Stoichiometry

Q. Cavendish prepared hydrogen in 1766 by the novel method of passing steam through a red-hot gun barrel:4 H2O (g) + 3 Fe(s) ⟶ Fe3O4 (s) + 4 H2 (g) (a...

Solved • Oct 17, 2018

Gas Stoichiometry

Q. Propane, C3H8, is a hydrocarbon that is commonly used as a fuel.Calculate the volume of air at 25°C and 1.00 atmosphere that is needed to completel...

Solved • Oct 16, 2018

Gas Stoichiometry

Q. Aqueous sulfurous acid (H2SO3) was made by dissolving 0.200 L of sulfur dioxide gas at 19°C and 745 mmHg in water to yield 500.0 mL of solution. Th...

Solved • Oct 16, 2018

Gas Stoichiometry

Q. When 15.0 g of fluorite (CaF2) reacts with excess sulfuric acid, hydrogen fluoride gas is collected at 744 torr and 25.5°C. Solid calcium sulfate i...

Solved • Oct 16, 2018

Gas Stoichiometry

Q. An atmospheric chemist studying the pollutant SO2 places a mixture of SO2 and O2 in a 2.00-L container at 800. K and 1.90 atm. When the reaction oc...

Solved • Oct 16, 2018

Gas Stoichiometry

Q. “Strike anywhere” matches contain the compound tetraphosphorus trisulfide, which burns to form tetraphosphorus decoxide and sulfur dioxide gas. How...

Solved • Oct 14, 2018

Gas Stoichiometry

Q. How many grams of potassium chlorate decompose to potassium chloride and 638 mL of O2 at 128°C and 752 torr?2 KClO3(s) ⟶2 KCl(s) + 3 O2(g)

Solved • Oct 14, 2018

Gas Stoichiometry

Q. A miniature volcano can be made in the laboratory with ammonium dichromate. When ignited, it decomposes in a fiery display. (NH4)2Cr2O7 (s) → N2 (g...

Solved • Sep 26, 2018

Gas Stoichiometry

Q. Part AWhat volume of O2 at 836 mmHg and 41°C is required to synthesize 13.5 mol of NO? Express your answer numerically in liters.

Solved • Sep 11, 2018

Gas Stoichiometry

Q. The combustion of octane, C8H18, proceeds according to the reaction 2C8H18 (l) + 25O2 (g) → 16CO2 (g) + 18H2O (l)lf 546 mol of octane combusts, wha...

Solved • Sep 5, 2018

Gas Stoichiometry

Q. Enter your answer in the provided box.Xenon hexafluoride was one of the first noble gas compounds synthesized. The solid reacts rapidly with the si...

Solved • Aug 21, 2018

Gas Stoichiometry

Q. Limestone (CaCO3) reacts with hydrochloric acid according to the equation: CaCO 3 + 2HCl → CaCl2 + H2O + CO2 If 1.00 mol of CO2 has a volume of 22....

Solved • Aug 14, 2018

Gas Stoichiometry

Q. Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl(aq), as described by the chemical equat...

Solved • Aug 13, 2018

Gas Stoichiometry

Q. The combustion of octane, C8H18 proceeds according to the reaction 2C8H18 (l) + 25O2 (g) → 16CO2 (g) + 18H2O (l) If 313 mol of octane combusts, wha...

Solved • Aug 13, 2018

Gas Stoichiometry

Q. Three moles of glyceryl trioleate (triolein) are completely hydrogenated. How many moles of hydrogen are required?

Solved • Aug 13, 2018

Gas Stoichiometry

Q. How many grams of carbon disulfide are needed to completely consume 53.3 L of chlorine gas according to the following reaction at 25°C and 1 atm? c...

Solved • Aug 9, 2018

Gas Stoichiometry

Q. Part AIf 50.0 L of hydrogen chloride gas reacts with 10.0 L of oxygen gas, what is the volume of chlorine gas produced? Assume all gases are at the...

Solved • Aug 7, 2018

Gas Stoichiometry

Q. The combustion of octane, C8H18, proceeds according to the reaction 2C8H18 (l) + 25O2 (g) → 16CO2 (g) + 18H2O (l) If 579 mol of octane combusts, wh...

Solved • Jul 25, 2018

Gas Stoichiometry

Q. A 22.4 L high pressure reaction vessel is charged with 0.3910 mol of iron powder and 1.20 atm of oxygen gas at standard temperature. On heating, th...

Solved • Jul 25, 2018

Gas Stoichiometry

Q. Consider the following reaction. H2 (g) + I2 (s) → 2HI (g) If the cylinder with a movable piston below contains 1 mol H2(g) and 1 mol I2(s), which ...

Solved • Jul 24, 2018

Gas Stoichiometry

Q. Chlorine gas reacts with fluorine gas to form chlorine trifluoride. Cl2 (g) + 3F2 (g) → 2ClF3 (g) A 1.95 L reaction vessel, initially at 298 K, con...

Solved • Jul 18, 2018

Gas Stoichiometry

Q. Oxygen gas reacts with powdered aluminum according to the following reaction: 4Al (s) + 3O2 (g) → 2Al2O3 (s) What volume of O2 gas (in L) measured ...

Solved • Jul 16, 2018

Gas Stoichiometry

Q. Hydrogen and iodine gases react to form hydrogen iodide gas as follows: H2 (g) + I2 (g) → 2HI (g) At a certain temperature and pressure 1.4 L of H ...

Solved • Jul 4, 2018

Gas Stoichiometry

Q. What is the total volume of all gases that are produced when 32.0 mL of C3H5(NO3)3 reacts as shown in the reaction below. Assume standard temp and ...

Solved • Jun 26, 2018

Gas Stoichiometry

Q. The picture below shows two bulbs connected by a stopcock. The large bulb, with a volume of 6.00 L, contains nitric oxide at a pressure of 0.850 at...

Solved • Jun 25, 2018

Gas Stoichiometry

Q. Chlorine gas is collected from the following reaction of MnO2(s) with HCl:MnO2(s) + 4HCl(aq) → MnCl2(aq) + Cl2(g) + 2H2O(l) Calculate the volume of...

Solved • Jun 19, 2018

Gas Stoichiometry

Q. Chlorine gas reacts with fluorine gas to form chlorine trifluoride. Cl2 (g) + 3F2 (g) → 2 ClF3 (g) A 2.00 L reaction vessel, initially at 298 K, co...

Solved • Jun 19, 2018

Gas Stoichiometry

Q. Ammonium carbonate decomposes upon heating according to the following balanced equation: (NH4)2CO3 (s) → 2 NH3 (g) + CO2 (g) + H2O (g) Calculate th...

Solved • Jun 19, 2018

Gas Stoichiometry

Q. When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced. 2 Al (s) + 6HCl (aq) → 2 AICI3 (aq) + 3H2 (g) What volume of H...

Solved • Jun 12, 2018

Gas Stoichiometry

Q. The combustion of octane, C8H18, proceeds according to the reaction2C8H18(l) + 25O2(g) → 16CO2(g) + 18H2O(l) If 305 mol of octane combusts, what vo...

Solved • Jun 12, 2018

Gas Stoichiometry

Q. Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl(aq), as described by the chemical equat...

Solved • Jun 12, 2018