boyles 4  15.80 L of hydrogen is collected at 751.62 torr atmospheric pressure and 21.5 degrees C room temperature. the hydrogen was generated by dropping 127.992 g of solid zinc in a vessel containing 9,426.2ml of 0.285 m hydrocholric acid the hydrogen was collected undert water. the vapor pressure of the water at the temperature of the room is 21.34. what is the percent yield?

Q: Lithium Chlorate is decomposed with heat to give lithium chloride and oxygen gas. if 1.115 g of…

A: we have to calculate the volume of oxygen produced by the decomposition of lithium chlorate

Q: A steel cylinder with nitrogen, hydrogen, and ammonia gases is at 500 °C and 5.00 atm. If the…

A: Given data contains, Total pressure is 5.00 atm. Partial pressure of nitrogen is 1850 mm Hg. Partial…

Q: density of Ch3 at 1.0 atm and 287 k

A:

Q: 4.00 L flask contains 1.40 atm argon at 25°C. a) Calculate the moles of argon gas initially present…

A: We will calculate all parts

Q: What

A: Mole fraction is the ratio of mole of component to the total mole of component

Q: Pressure oxygen 765.3 torr Volume water displaced 49.7 mL Temperature oxygen 297 K What is the…

A:

Q: A mixture of hydrogen and neon gases is maintained in a 5.33 L flask at a pressure of 3.16 atm and a…

A: A mixture of hydrogen and neon gases is maintainedvolume,v = 5.33L pressure,p = 3.16 atm…

Q: If 1.5234 grams of H2C2O4·2H2Ois dissolved in water to prepare a0.250 L solution, identify the…

A: Given that, the mass of compound H2C2O4.2H2O = 1.5234 g Volume of solution that has to be prepared…

Q: A sample of gas that is (5.160x10^-1) mol is initially at (3.33x10^2) K, (7.2700x10^2) mm Hg, and…

A: GIVEN: Initial moles of the gas (n1)=5.160 x 10-1 mol = 0.5160 mol Temperature (T1)= 3.33 x 102 K =…

Q: How much mass is required to make 7g of NH; saturated at 145g H,O at 10°C?

A:

Q: What volume of gas will be produced when 38 mL of 0.40M NH4NO3 reacts with an excess of aqueous…

A: The reaction is as follows: NH4NO3+NaOH→NaNO3+NH3+H2O The gas produced in the reaction is NH3 The…

Q: how many moles of oxygen are required to make 3.8 moles of water?

A:

Q: Consider the reaction between aluminum and sulfuric acid to produce aluminum sulfate and hydrogen.…

A: One mole of any gas at STP(standard temperature and pressure i.e 273 K and 1 atm ) take up a volume…

Q: Consider the following reaction. How many moles of oxygen are required to produce 4.00 moles of…

A: The given equation is already a balanced equation. Fr the equation we can infer that 6 moles of…

Q: Ozzie wanted to do another experiment with a stronger H2O2 solution to check accuracy of the…

A: Given, For H2O2 solution, Concentration of H2O2 solution = 3.18 M = 3.18 mol/L Volume of H2O2…

Q: What is the pressure (in atm) due to the sulfur dioxide gas only, inside a 1.50 L reaction flask at…

A: Volume of flask = 1.50L Pressure of SO2(g) = ? Temperature = 25oC Mass of sodium sulfite = 3.24g

Q: Calculate the mass in grams of hydrogen chloride produced when 8.5 L of molecular hydrogen measured…

A: The volume of hydrogen gas = 8.5 LThe temperature of hydrogen gas = The pressure of hydrogen gas =…

Q: 2. A sample of oxygen occupies 10 L ,pressure of 790 torr (105 kPa ).At what pressure occupies 13.4…

A: The correct answer is given below

Q: A mixture of helium and neon gases at 235 K contains 3 times the number of helium atoms as neon…

A: Answer: Ideal Gas equation: PV=nRTP=nVRT Here: P=pressure of the gasV=volume of the gasn=number of…

Q: Calculate the Volume of Carbon Dioxide gas that was produced in the reaction of baking soda and…

A:

Q: True or false? 10.0 g of sodium metal is required to produce 10.0 L of hydrogen gas at SATP when…

A: Given : sodium and water reacts Sodium = 10 g

Q: Which substance is injected in gas fuel to remove SO3 gas M9SO4.7H20 ; Mgo Mg

A: The substance which is injected in gas fuel to remove SO3 gas is

Q: A mixture of Ar, H2, and SO2 has a pressure of 7.85 atm. If the Ar has a mole fraction of 0.47 and…

A:

Q: In an experiment, 0.53 mol of nitric oxide is mixed with 0.3 mol of oxygen. Calculate the volume of…

A:

Q: What is the mole fraction of substance B (ethanol) in a mixture that is 58.4% weight

A: If total mass of mixture = 100 g  Then  Mass of water = 58.4 g Mass of Ethanol = 100-58.4=41.6 g…

Q: The air in a flask is to be replaced with He gas in a way similar to how air is replaced in the…

A: Air is a homogeneous mixture of gases. The major component of air is nitrogen gas(78%). Hence, the…

Q: A gaseous compound was found to contain 30.4% N and 69.6 % O by mass. At 300 K, 1.10 g of the…

A: Given,mass percent of N = 30.4 % and O = 69.6 %mass of gaseous compound = 1.10 gVolume = 0.376…

Q: .9 g of HCl at STP? Assume ideal beha

A: Assuming ideal gas behavior, we can say that 1 mole of an ideal gas occupies 22.4 L at standard…

Q: Please show the complete solution and given. 4. A container is filled with a gas to a pressure of…

A: Given  4) P1= 1.5 atm       T1= 200°C  Tip :            P1÷T1 = P2÷T2

Q: calculate the mass of CO2 that occupies 78.0mL at STP

A:

Q: Chemistry iIi) What will be the pressure of SO4 gas when 189 gram of Aluminium potassium sulfate…

A: Given that -  Mass of aluminium potassium sulfate , AlK(SO4)2 = 189 gram    And it gives SO4 gas on…

Q: What mass of magnesium must be reacted with hydrochloric acid to obtain 750. mL of hydrogen at 25oC…

A: Find the moles of H2 gas using equation PV = nRT  then find the mass of Mg using the balanced…

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

A:

Q: what volume of NH3 at STP is produced when 32 g of N2 is reacted with an excess of H2?

A:

Q: A mixture of helium and neon gases at 291 K contains 3 times the number of helium atoms as neon…

A: Given  Temperature (T) = 291 k Concentration (n/v) = 0.15 mol /L

Q: What is the mole fraction of O2 in a mixture of 4.08 g O2, 4.14 g of N2 and 1.5 g of H2?

A: GivenMass of O2 = 4.08 gMolar mass of O2 = 32 g/moleMoles of O2 = Mass of O2Molar mass of O2Moles of…

Q: What is the partial pressure of SO2 at a concentration of 41000 PPM at STP?

A:

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: At what temperature will 19.4 g of molecular oxygen, O2, exert a pressure of 1820 mm Hg in a 5.12 L…

A:

Q: A gaseous mixture contains 18% oxygen, 78% nitrogen and the remaining is that of an unknown gas. The…

A: Mass fraction, wi is given by: wi=xi×MiMavg                                ...... (1) where wi is…

Q: How many grams of sodium hydrogen carbonate decompose to give 20.8 mLmL of carbon dioxide gas at…

A: Given reaction is: 2NaHCO3 (s) → Na2CO3 (s) + H2O (l) + CO2 (g)   Now from given reaction, 2 mole of…

Q: You are going on a day hiking trip to Yosemite and to prepare you are buying snacks at the local…

A: The chips are packed at a place in lower elevation where the atmospheric pressure is high. As we…

Q: Elemental analysis of an organic liquid with a fishy odour gives the following elemental mass…

A: Given: Pressure = 435 torr = 0.572 atm Temperature = 150 oC = 423 K Volume = 150 mL mass of impure…

Q: How many grams of sodium hydrogen carbonate decompose to give 18.8 mL of carbon dioxide gas at STP?…

A: AT STP,V = 18.8 m L = 18.8/1000 = 0.0188 LT = 273.15 KP = 1 atm R = 0.082057 L atm mol-1K-1 n =__…

Q: a) A piston at 5.7 atm contains a gas that occupies a volume of 3.5 L. What pressure would have to…

A: Boyles law:- PV=constant Charles law:- V=KT

Q: The partial pressure of water vapor in saturated air at 27 °C is 3.51×10-2 atm. (a) How many…

A: Ideal gas equation is given by,