A 105.0L weather balloon filled with 6.50 mol of helium has a small leak. If the helium leaks at a rate of 10.0 mmol/hr, what is the volume of the balloon after 520 hours?

Q: 3. What are some beneficial applications of gases and some problems associated with gases?

A: 3.Gasses are light in weight and gas molecules are always in motion so gases can easily be…

Q: What is the density of a sample of argon gas at 55°C and 765mmHg?a) 2.99 g/L b) 1.13 * 103g/Lc) 1.49…

A: The given problem can be solved by using the formula as:  dRT=PM…

Q: 0.631 g sample potassium reacts with excess amounts of hydrochloride acid and it was collected over…

A:

Q: A sample of 4.25 moles of hydrogen at 20.0ᵒC occupies a volume of 25.0L. Under what pressure is this…

A: The number of moles of the gas sample is = 4.25 moles The temperature of the gas sample is = 20.0oC…

Q: 3. If 0.500g of magnesium was reacted with HCl and 461lmL of hydrogen gas was collected over water…

A: The reaction taking place is  Mg + 2 HCl -----> MgCl2 + H2  Hence from the above reaction we can…

Q: At a certain temperature and pressure, 4.00g of nitrogen gas has a volume of 5.83 L. What is the…

A: Initial amount of N2 gas taken = 4g Molar mass of N2 = 28 g/mol Initial moles of N2 taken = initial…

Q: 10. Initially a 1.0 L vessel contains 10.0 mol of NO and 6.0 mol of O2 at a certain temperature. 2…

A: Given reaction is : 2NO (g) + O2 (g) <---------> 2NO2 (g)  Volume of the solution = 1.0 L…

Q: 2. Helium diffuses at a rate of 80.0 mL/s. How fast would krypton diffuse under the identical…

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Q: P4(g) + Br2(g) --> PBr3(g) If 18.2 L of phosphorus at 21 oC and 1.02 atm is reacted with 62.4 L…

A: Reaction's stoichiometry obtained by numbers associated to species in balanced equations tells us…

Q: Consider the reaction. TÍCI, (1) + 0,(g) –→ TiO,(s) + 2 Cl,(g) What mass of TiCl, (189.679 g/mol)…

A: The mass of TiCl4 required to produced 12.53 L of Cl2 at STP condition is to be calculated. Given:…

Q: Why does a 0.01 g change in mass cause a much larger change in MM than does a 1 degree change in…

A: Millimolar is the smaller unit of molar concentration. 1MM=millimoles of solute/L of soultion

Q: 5. A reaction yields 5.0 L of nitrogen monoxide. The volume is measured at 20°C and at a pressure of…

A: Ideal gases are hypothetical gases which do have real existence. A gas can behave ideally at low…

Q: 7. One balloon is filled with He gas at 25°C. Another balloon is filled with CO, gas at 25°C. The…

A: Graham's Law of diffusion of gases states that the rate of diffusion of gases is inversely related…

Q: Convert 520 mmHg to Pascals.

A: We have given that this is an unit conversion Convert 520 mmHg  to  Pascals

Q: 6. A 0.48mol sample of He gas occupies a volume of 11.7L. What is the volume of 0.72mol He gas under…

A: Ans 17.58 L

Q: A 120.0 L weather balloon filled with 6.80 mol of helium has a small leak. If the helium leaks at a…

A: By the help of ideal gas equation we can find the volume of balloon after 60 hour. PV = nRT

Q: A sample of krypton gas collected at a pressure of 1.41 atm and a temperature of 21.0 °C is found to…

A: Ideal gas equation is  PV = nRT  PV = (w/M)RT      [ * n = w/M ]  Here ,  P = pressure  V = volume…

Q: O2  collected over water at 40°C and total pressure of 745 mmHg, what volume of gas is collected for…

A:

Q: One molecule of hemoglobin will combine with four molecules of oxygen. If 1.0 g of hemoglobin…

A:

Q: When 3.0 L of propane C3H8 gas is completely combusted to form water vapor and carbon dioxide at…

A: Answer is explained below.

Q: A sample of gas contains 0.1700 mol of N2(g) and 0.5100 mol of H2(g) and occupies a volume of 34.1…

A: Avogadro's Law:  At constant temperature and pressure the volume of the gas is directly…

Q: Consider the reaction: 2 NiO(s) 2 Ni(s) + O2(8) If O, is collected over water at 40.0 °C and a total…

A: As per the given data, Total pressure, P = 745 mm Hg The partial pressure of water = 55.3 mm Hg…

Q: 1.  Hydrogen peroxide is decomposed in a lab and the produced O2 (g) is collected over water at…

A:

Q: Hydrogen gas is produced when magnesium metal reacts with hydrochloric acid. In the lab, a student…

A: Given: The mass of hydrogen gas collected over water at 23°C is 0.002823 g. The water vapor pressure…

Q: Dimethyl ether, CH;OCH3, undergoes gas phase decomposition to form methane, hydrogen gas, and carbon…

A: First calculate the moles of Dimethyl ether :  Molar mass of Dimethyl ether = 46.07gmol-1  Moles of…

Q: Which of the statements is TRUE about these balloons at STP? 01 II and III OI and IV O II

A: Given that, three balloons are of the same volume but different gases.

Q: Part A: A very flexible helium-filled balloon is released from the ground into the air at 20. ∘C.…

A: Given : Part 1 : Pressure = 760mmHg Volume = 5.00L Temperature  = 200C = Final volume =? Final…

Q: Hydrogen gas is produced when magnesium metal reacts with hydrochloric acid. In the lab, a student…

A: Given : Total pressure of gas = 794 mm Hg Temperature of reaction = 23 oC Vapour pressure of water…

Q: In a space shuttle, the CO2 that the crew exhales is removed from the air by a reaction within…

A: Given: CO2(g) + 2LiOH(s) ⟶ Li2CO3(aq) + H2O(l) No. Of moles of CO2 = 20 mole LiOH is excess reagent.…

Q: 8. The airbag is a safety device used in cars to cushion the passenger during a crash. It involves…

A:

Q: A 212 L sample of a gas exerts a pressure of 42.4 kPa. If its volume is expanded to 319 L, what will…

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

Q: sulfate SO, hydroxide = OH R= 0.0821 atm•L mol K TK = Te + 273 PV = nRT 1 atm 760 mmHg 760 torr =…

A:

Q: A particular sample of 0.700 moles of gas has a volume of 1.32 L. If some of the gas is allowed to…

A:

Q: At a particular temperature 8.0 mol NO, gas is placed in a 1.0-L container. Over time the NO2…

A: 2 NO2 (g)      ⇔    2 NO(g)  +    O2 (g)   Initial           8 mol…

Q: What is the density of xenon gas (131.29 g/mol) at a pressure of 427 torr and a temperature of…

A:

Q: When 467g of gold chloride decomposes at STP, how many liters of chlorine gas are formed? (AuCl3 =…

A: Given: The balanced chemical reaction is as follows; 2AuCl3 ----------> 2Au + 3Cl2. The molar…

Q: A sample of gas contains 0.1100 mol of CO(g) and 0.1100 mol of NO(g) and occupies a volume of 9.16…

A: Explanation The ideal gas equation An ideal gas is definite to be a system in which there are no…

Q: If 6.5 g of propane gas (C3H8) are combusted every second at STP, what is this rate of reaction in…

A: Given: The mass of propane gas(C3H8), (m)=6.5 g The molar mass of propane gas, (M)= 44.0 g/mol. The…

Q: When 1.10 g of zinc metal is treated with 300.0 mL of 0.800 M nitric acid solution, the products are…

A: Given : Mass of zinc i.e Zn taken = 1.10 g Concentration of nitric acid i.e HNO3 taken = 0.800 M And…

Q: Part C If 0.130 mol of N2 gas effuses through a small hole over the course of one hour, calculate…

A: Graham's law of effusion states that the rate of effusion of 2 gases are inversely proportional to…

Q: A 0.477 mol sample of O gas has a volume of 12.8 L at a certain temperature and pressure. If all…

A: NOTE : In the reaction, the subscripts are missing. Hence I'm considering correct reaction. The…

Q: A balloon contains 0.29 moles Ar with a volume of 3.8 L under certain conditions. What volume will…

A: The change in volume of the gas can be calculated by using the Avogadro rule.

Q: 95 Miss Todd is using a pressurized bottle of dry shampoo when she accidently drops it on her…

A: The given conditions are: 1) The bottle of shampoo is under high pressure. 2) It may explode due to…

Q: During the decomposition of KClO3, 92.0 mL of gas is collected by the displacement of water at 250C…

A:

Q: A hot air balloon has a volume of one million liters. If the temperature of the outside air is 20°C…

A: Ideal gas equation: The temperature, pressure, volume, and mole of the gas are related to the ideal…

Q: %24 4+ # m w/ If someone takes a breath and the lungs expand from 4.5 L to 5.4 L in volume, and the…

A:

Q: 3. A student reacted 0.0367 g of magnesium to produce hydrogen gas that was collected over water at…

A: Given : Total pressure of gas = 746 mm Hg Volume of gas collected = 36.3 mL = 0.0363 L…

Q: _10. Propane burns in air according to the equation: CaHs (g) + 502 (g) →3CO: (g) + 4H;0 (g) what…

A: The given equation : C   C3H8g       +     5O2g    →    3CO2g   +   4H2Og3×12+8×1…