A helium-filled weather balloon has a volume of 518 L at 15.9°C and 751 mmHg. It is released and rises to an altitude of 4.50 km, where the pressure is 508 mmHg and the temperature is –11.1°C. The volume of the balloon at this altitude is L.

Q: Calculate the final temperature of a sample of gas initially at 22.3 0C that is expanding from 2.335…

A: As per the ideal gas law, PV = nRT  where P = pressure  V = volume  n = moles  R = gas constant  T =…

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

A: Relation between molar mass and density- Ideal gas equation is, PV= nRT Where, P=pressure, V=Volume,…

Q: 50.0 mL of 6.0 M acetic acid reacts with 1.55 g magnesium. what volume of hydrogen gas will be…

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Q: The Haber Process synthesizes ammonia at elevated temperatures and pressures. Suppose you combine…

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Q: The combustion of octane, C,H,3, proceeds according to the reaction shown. 18 2 C,H13(1) + 25 0,(g)…

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Q: A balloon has an initial volume of 2.01 L at standard pressure (1.0 atm).  If the balloon is placed…

A: According to the Boyle's Law, pressure is directly related to volume of the gas. Mathematically…

Q: A combustion reaction involving 628.0 g n-butanol (C,H100) occurs at 345.0 °C and 15.2 atm. What…

A: Given :-  Amount of butanol = 628.0 g  Temperature = 345.0 °C  Pressure = 15.2 atm  To calculate :-…

Q: This reaction occurred at 427 Kelvin, with 37 g of CH4 and an excess of oxygen. The carbon dioxide…

A: Consider the reaction of methane with excess of oxygen to give water an carbon dioxide as;…

Q: Consider the reaction: 2 Ag2O(s) ---------> 4 Ag(s) + O2(g) If this reaction produces 15.8 g of…

A: Mass of Ag = 15.8 g Molar mass of Ag = 107.9 g/mol Moles = massMolar mass=15.8 g107.9 g/mol=0.146…

Q: If the balloon described in Question 6.44 is released into the air and rises to an altitude of…

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Q: A gas-filled weather balloon with a volume of 65.0 L is released at sea-level conditions of 745 torr…

A: According to the ideal gas equation, PV = nRT where P, V, n, R and T are the pressure, volume,…

Q: 9. A combustion reaction involving 628.0 g n-butanol (C,H100) occurs at 345.0 °C and 15.2 atm. What…

A: Ideal Gas Law :-  PV = nRT  P is the pressure of gas  V is the volume occupied by gas n is the…

Q: A 0.6333 g sample of a metal carbonate was reacted with hydrochloric acid. The carbon dioxide gas…

A: Given data, Mass of sample = 0.6333 g Temperature = 26.0oC Total pressure = 103.80 kPa = 1.024 atm…

Q: Magnesium burns in air to produce magnesium oxide, MgO, and magnesium nitride, Mg3 N2. Magnesium…

A: Given data: T= 20°C= 293K , P = 765 mm Hg =765/760 atm , mass of Magnesium nitride= 3.58 gm , R=…

Q: A sample of a breathing mixture for divers contained 34.3% helium, He; 51.7% nitrogen, N2; and 14.0%…

A: We have to calculate the density of the mixture.

Q: The combustion of octane, C,H,g, proceeds according to the reaction shown. 18 2CH18(1) + 25 O,(g) –…

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Q: Consider the reaction: 2 Ag,0(s) - 4 Ag(s) + Oz(g) If this reaction produces 15.8 g of Ag(s), what…

A: Given: The reaction is as follows, The total pressure of the gas  is 752 mm Hg Mass of Ag produced…

Q: The following reaction is used to generate hydrogen gas in the lab. If 243 mL of gas is collected at…

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Q: A helium-filled weather balloon has a volume of 774 L at 14.9°C and 753 mmHg. It is released and…

A: As you have posted two different questions and are not the sub-parts, so , here i have answered the…

Q: The combustion of octane, C,H,18, proceeds according to the reaction shown. 2 C,H,(1) +25 0,(g) 16…

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Q: Burning one mole of propane in a gas grill adds 132 g of carbon dioxide (CO 2) to the atmosphere.…

A: At STP, 1 mole of a gas occupy 22.4 L of volume.

Q: A chemist weighed out 5.14 gm of a mixture containing unknown amounts of BaO (s) and CaO(s) and…

A: Given values are the following. Pinitial of CO2=750 torr=750760 atm=0.987 atmPfinal of CO2=230…

Q: The combustion of octane, C,H,8, proceeds according to the reaction shown. 2 C3H18(1) + 25 0,g) 16…

A: Number of moles of CO2 produced by combustion of 2 mol of octane = 16 mol Number of moles of CO2…

Q: If the temperature of a gas confined to such a cylinder is raised from 221°C to 635°C, what is the…

A: Since the cylinder is confined means no change in moles of gas And pressure is also given constant…

Q: Aluminum reacts with chlorine gas to form aluminum chloride. 2Al(s)+3Cl2(g)→2AlCl3(s) What minimum…

A: Determine the number of moles of aluminum. The molar mass of aluminum is 27 g/mol. Number of moles…

Q: The following reaction is used to generate hydrogen gas in the laboratory. If 243 mL of gas is…

A: First determine the moles of hydrogen produced from given reaction under given conditions.…

Q: Nitrogen and hydrogen react in the Haber process to form ammonia. All substances are in the gas…

A: Given: Pressure of N2 taken = 0.357 atm. Pressure of H2 taken = 0.81 atm. And percent yield of the…

Q: If 42.561 L of gas is collected at a temperature of 28.861°C and a total pressure of 787.00 torr,…

A: The given data contains, Volume = 42.561 L. Temperature = 301.861 K. Pressure = 787 torr =  1.035…

Q: Is the relationship between pressure and temperature direct or inverse? Explain

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Q: The combustion of octane, C,H, proceeds according to the reaction shown. 18 2C,H18(0) + 25 0,(g) 16…

A: We can solve the problem by considering the ideal gas law.  PV = n. R. T Where  P = pressure of the…

Q: If the temperature of a gas confined to such a cylinder is raised from 245°C to 554°C, what is the…

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Q: A 20.0 g sample of mercury(II) oxide (HgO, molar mass = 216.6 g/mol) is heated strongly, causing it…

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Q: Small quantities of hydrogen gas can be prepared in the laboratory by the addition of aqueous…

A: Given reaction is: Zn(s)  +  2HCl(aq)  →  ZnCl2(aq)  +  H2(g) Volume of H2  gas collected = 240 mL…

Q: Formic Acid, HCHO​2,​ is a convenient source of small quantities of carbon monoxide. When warmed…

A: Hi, as the question which you have posted in jumbled sentence and also multiple questions. So I am…

Q: In a system, you have 246mmHg of Oxygen (P1), 385mmHg of Hydrogen (P2). and 288mmHg of Carbon (P3).…

A: Given : pressure of Oxygen, hydrogen and carbon.  To find : total pressure of the system.  Solution…

Q: Calculate the density of hydrogen gas (in g/L) at 899 mmHg and 42.4 °C. ______ g/L

A: According to ideal gas law PV = nRT Where , P = pressure V = volume n = moles of gas R = gas…

Q: A volume of 2.6 L of air at 37°C is expelled from the lungs into cold surroundings at 0.8°C. What…

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Q: 4 NH3 (g) + 5 O2 (g) = 4 NO (g) + 6 H2O (g)A sample of NH3 is added to an initially evacuated 2.00 L…

A: Given dataPartial pressure of NH3= 415torrPartial pressure of O2 = (875-415) torr…

Q: If the temperature of a gas confined to such a cylinder is raised from 272°C to 692°C, what is the…

A: At constant pressure, volume of the gas is directly proportional to its temperature. V1/T1 = V2/T2 =…

Q: What is the mass of 12.0L of Chlorine gas (Cl2, 70.9 g/mol) measured at 1250mmHg and 157C? a) 2.94…

A: We have 12 L of Cl2 gas measured at pressure of 1250 mmHg and 157°C. We have to calculate the mass…

Q: When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced. 2 Al(s) + 6…

A: Given Chemical reaction:

Q: 1. If 4.000 grams of hydrogen peroxide is placed within a sealed 250 milliliter container at 500 K.…

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Q: The combustion of octane, C8H18 proceeds according to the reaction shown.…

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Q: The combustion of octane, C,H,8, proceeds according to the reaction shown. 2C,H,;(1) + 25 0, (g) →…

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Q: 8) Consider the apparatus pictured below, which consists of two containers separated by a valve.…

A: The ideal gas equation is PV=nRTP=nRTV

Q: In a mixture of helium and chlorine, occupying a volume of 12.8 L at 605.6 mmHg and 21.6°C, it is…

A: We have given that  In a mixture of helium and chlorine, occupying a volume of 12.8 L at 605.6 mmHg…

Q: Calcium carbonate decomposes due to the effect of temperature producing calcium oxide and carbon…

A: Given: Mass of calcium carbonate i.e CaCO3 decomposing = 3.1 g Volume of cylinder = 1.45 L And…

Q: Ammonium nitrate decomposes explosively upon heating according to the balanced equation:2 NH4NO3(s)…

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Q: A sample of gas contains 0.1700 mol of NH,(g) and 0.2125 mol of O,(g) and occupies a volume of 21.8…

A: Given: The number of moles of NH3 (g) is 0.1700 mol The number of moles of O2 (g) is 0.2125 mol The…