hat volume of H2 gas, measured at 9 °C and 722 torr, can be obtained by reacting 8.40 g of zinc metal with 185 mL of 0.425 M HCl?             (6 marks) Zn(s)  +  2 HCl (aq) → ZnCl2(aq)  +  H2(g) (1 atm = 760 torr)

Q: MnO2(s)+4HCl(aq)⟶MnCl2(aq)+2H2O(l)+Cl2(g) How much MnO2(s) should be added to excess HCl(aq) to…

A: The given chemical reaction MnO2(s)+4HCl(aq)⟶MnCl2(aq)+2H2O(l)+Cl2(g) Suggests that 1 mol of MnO2…

Q: 3. At a pressure of 780.0 mm Hg and 24.2 °C, a certain gas has a volume of 350.0 mL. What will be…

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Q: Chlorine gas can be produced from the reaction of potassium permanganate and hydrochloric acid as…

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Q: What is the molar mass of 2.6 g of a gas that occupies a volume of 680 mL; 0.85 atm and 28oC?

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Q: When aluminum reacts with concentrated hydrochloric acid, hydrogen gas is produced.…

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Q: 3. If a gas collection vessel contains 66.0 grams CO2, 96.0 grams O₂ and 4.0 grams of H₂ and a total…

A: Given:  Mass of CO2 = 66.0 gm  Mass of O2 = 96.0 gm  Mass of H2 = 4.0 gm  Total pressure= 1860 mm Hg…

Q: How many liters of gaseous hydrogen bromide at 55°C and 0.759 atm will a chemist need if she wishes…

A: Consider the given information is as follows; Temperature (T) = 55°C=55+273.15=328.15 K Pressure (P)…

Q: Chlorine gas (Cl2) can be prepared on a small scale according to the following balanced equation:…

A: The balanced equation for the formation of Cl2(g) is: MnO2(s) + 4HCl(aq) → MnCl2(aq) + 2H2O(l) +…

Q: What volume of ammonia gas, measured at 782.0 mmHg and 38.6oC, is needed to make 1.28 g of ammonium…

A: The ideal gas equation is as follows,                                 P V = n R T Where P is the…

Q: Chlorine can be prepared in the laboratory by the reaction of manganesć diôXide Wilh Hyurehone aciU,…

A: Given : Volume of Cl2 = 165ml Pressure = 795torr Temperature = 298K

Q: When hydrochloric acid is poured over potassium sulfide, 42.9 mL of hydrogen sulfide gas is produced…

A: Given: Pressure = 752 torr Temperature = 25.8 0C Volume of hydrogen sulfide = 42.9 mL The chemical…

Q: What volume of H2 gas (in liters), measured at 27°C and 742 torr, can be obtained by reacting 4.09 g…

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Q: A 39.4 g sample of halothane is 0.200 moles. At STP, what is the concentration (% v/v) of 39.4 g of…

A: Given: Mass of halothane = 39.4 g. Moles of halothane = 0.200 mol. Volume of container = 224 L And…

Q: How many liters of HCl gas, measured at 30.0 °C and 745 torr, are required to prepare 1.25 L of a…

A: Molarity (M)= moles of solute (mol)Volume of solution (L)⇒ moles of solute =…

Q: If an airplane is pressurized to 10.8 psi when flying at high altitude, what is the partial pressure…

A: In this question, we will determined the partial pressure of oxygen in mmHg unit pressure given in…

Q: Given the equation Pv=nRT what is the unit of R if P is in torr, V is in mL, n is in mol, and T is…

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Q: A gaseous mixture containing 7 moles of nitrogen, 2.5 moles of oxygen and 0.50 mole of helium exerts…

A: Concept: Partial Pressure: it can be define as if a container filled with more than one gas, each…

Q: Carbon dioxide can be generated by the reaction of hydrochloric acid with calcium carbonate. How…

A: moles of CaCO3 taken = mass / molar mass of CaCO3  = 32.1 / 100 = 0.321 moles of HCl taken =…

Q: 3a. Write down the two versions of the Ideal Gas Law and define each term and its units. 3b. How…

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Q: A flask contains a mixture of 2.20 g of CO2 gas and 4.80 g of O2 gas, at a total pressure of 1.00…

A: A flask contains a mixture of 2.20 g of CO2 gas and 4.80 g of O2 gas, at a total pressure of 1.00…

Q: A canister of oxygen gas is compressed from 68.0 mL at standard pressure to 19.0 mL. What is the new…

A: apply Boyel law for the given question  Boyel law is ,at constant temperature , PV = constant  or…

Q: In the lab, students decomposed a sample of calcium carbonate by heating it over a Bunsen burner and…

A: Caco3 ------------  cao +co2 molecular mass of caco3 =100 g  Molecular mass of co2 =44g

Q: what volume in liters of ammonia at 25 degrees celsius and 1.50 atm is needed to produce 525 g of…

A: "Ideal gas law" is related to pressure (atm), volume (liter), moles (mol), gas constant…

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

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Q: 3) 1.11 x 103 moles of nitrogen gas are contained in a 400. mL container at 25.1 °C. If the…

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Q: •132.4 mL of a 14.0% w/w H2SO4 solution (p = 1.066 gmL-) are diluted with pure water until the total…

A: The question is based on the concept of solution and ideal gas equation. We have to calculate the…

Q: What is the mass (in grams) of 6.00 L of propane vapor (C:Hs) at STP?

A: To Solve this problem we will use the relationship that  1 mol of any gas at STP = 22.4 L of that…

Q: Lithium hydroxide is used in the Space Shuttle and in submarines to remove carbon dioxide gas out of…

A: The relationship between pressure, volume, temperature, and the number of moles is depicted in the…

Q: A rigid gas cylinder contains 370 grams of oxygen gas at 30 atm and 25oC. What must be the final…

A: According to the our policy we should solve one question, if any subparts present then first three…

Q: What pressure of gas is produced from the reaction of 78.3 g of Zn with 125 mL of 12 M HCI in a 2.6…

A: The reaction is ;  2HCl(aq) + Zn (s) ---> ZnCl2(aq) + H2(g) 78.3 g zinc react with 125 mL 12M…

Q: If 5.00 g of Gas A and 5.00 g of Gas B are mixed in the same chamber and the partial pressure of Gas…

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Q: A mixture of N2, O2, and Ar has mole fractions of 0.25, 0.65, and 0.10, respectively. What is the…

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Q: of H2 gas , Collected over water at the atmospheric pressure of 751mm Hg and a temperature of 21.0…

A: The three gas laws  namely  Boyles law , charles law  and avagadros law  are combined   to obtain…

Q: For many purposes we can treat propane (C,H) as an ideal gas at temperatures above its boiling point…

A: Here we use ideal gas equation because the gas is above -42 degree celcius.

Q: Suppose that a 26.4mL volume of HCl solution reactions completely with 55.0 mL of aqueous Na2CO3.…

A: Balanced chemical equation: 2HCl +  Na2CO3   ----->   2NaCl  +  H2O  +  CO2 Number of HCl = 2 x…

Q: An aerosol can has a volume of 450 mL and contains  3.18 g of propane (C3H8) as a propellant. If the…

A: Using ideal gas equationPV =nRT.·. P =nRTVWhereP =Pressuren =no. of mole of gasR =universal gas…

Q: 1. How many grams of calcium carbonate (CaCO3), are needed to produce 650 ml of carbon dioxide gas…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What is the molar concentration of the cleaning solutionformed when 10.0 L of ammonia gas at 33°C…

A: To determine the number of moles of ammonia gas, we use ideal gas equation, which is: PV=nRT…

Q: 0.361 g of an unknown liquid occupied a volume of 250.0 mL at 758 mm Hg pressure and 100 °C. What is…

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Q: Assuming there is no change in volume, determine the molarity of the acid solution if a 3.12-L…

A: Given, Volume of a gas = 3.12 L Pressure of a gas = 2.57 atm Temperature of a gas = 27.5°C = (27.5 +…

Q: What is the mole fraction of N2 if a flask contains a mixture of 1.11 g H2 gas (H = 1.01 g/mol) and…

A: Mole fraction is defined as number of moles of solute divided by total number of moles of solution.…

Q: How many liters of CO2 measured at 26°C and 767 torr are produced in the combustion of 125 mL of…

A: The combustion reaction of propanol is given as: C3H7OH (g) + 92 O2 (g) → 3 CO2 (g) + 4 H2O (g) ⇒3…

Q: #1.The volume of a gas at 99.0 kPa is 300.0 mL. If the pressure is increased to 188 kPa, what will…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: How many milliliters of Cl2 gas, measured at 23.9 °C and 749 torr, are needed to react with 16.2 mL…

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Q: Calculate the volume of nitrogen dioxide gas in mL required to make 10.0 g nitric acid at 1.80 atm…

A: Welcome to bartleby !

Q: Suppose that a 26.5-mL volume of HCl solution reactions completely with 55.0 mL of aqueous Na2CO3.…

A: Reaction taking place is: In general, 2 moles of HCl react with 1 mole of Na2CO3 to give 1 mole of…

Q: V=375mL at 1.15atm ; V= mL at 775 mmHg

A: Given data V1 = 375ml P1 = 1.15 atm= 874mmhg Where 1 atm = 760 mmhg V2 =?  P2 = 775 mmhg