A sample of oxygen gas initially at 329 K was heated to 383 K. If the volume of the oxygen gas sample at 383 K is 856.2 mL, what was its volume at 329 K? mL V =

Q: A sample of carbon monoxide initially at 43.0 °C was heated to 86.0 °C. If the volume of the carbon…

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Q: An organic chemist isolates a  colorless liquid from a petroleum sample.  She places the liquid in a…

A: Volume of the flask = 196 mL Temperature = 99.1˚C Pressure = 751 mm Hg Calculation of mass of gas:…

Q: On December 1, 1783, Jacque Charles became the first human to pilot a non-tethered hydrogen balloon.…

A: Given :

Q: A sample of carbon monoxide initially at 25.0 °C was heated to 50.0 °C. If the volume of the carbon…

A: Charles law says that at constant pressure, volume is directly proportional to the temperature. We…

Q: For the chemical reaction 2C4H10(g) + 1302(g) → 8CO2(g) + 10H₂O(l) assume that 13.4 g of C4H10…

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Q: A chemist prepares a solution of barium chlorate BaClO32 by measuring out 63.μmol of barium…

A: Rules of significant figures: Any non-zero number is significant. Zeros between significant numbers…

Q: A sample of oxygen gas initially at 315 K was heated to 369 K. If the volume of the oxygen gas…

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Q: A cylinder with a movable piston contains 2.00 gg of helium, HeHe, at room temperature. More helium…

A: Avogadro’s law states that the volume of a gas is directly proportional to its molar amount at…

Q: kg 0.00134 mol · dL mol ·L ?

A: Given : 0.00134 kg/mol . dL 1 kg = 1000 g 1 dL = 0.1 L

Q: A sample of oxygen gas initially at 373 K was heated to 427 K. If the volume of the oxygen gas…

A: Given that, pressure is held constant. Volume and temperature are changing.

Q: A chemist prepares a solution of barium chlorate BaClO32  by measuring out  50.4g  of barium…

A: Molarity of a solution represents the concentration of a solution, which is expressed in mol/L.…

Q: In the combustion of ethanol, 20.50 g of carbon dioxide gas was produced, What is the volume in mL…

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Q: A chemist prepares a solution of magnesium fluoride (MgF,) by measuring out 0.0118 µmol of magnesium…

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Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 223. µmol of iron(II)…

A: From given data Number of moles, n = 223 µmol Volume of solution, V = 200 mL = 0.2 L   As,…

Q: At constant pressure and temperature, 2.05 g of oxygen gas O2 is added to a 1.00 L balloon…

A: From the ideal gas equation:PV = nRT, Where, P is the pressure if the gas, V is the volume if the…

Q: Assuming constant conditions, how many milliliters of chlorine gas react to yield 1.35 L of…

A: • 1 mole of gas contains volume = 22.4L• No. of moles = volume of gas22.4• Volume of gas = No.of…

Q: Calculate the volume, in liters, occupied by 5.20 g g of O2 O 2 gas. Express your answer to three…

A: STP is is defined, when temperature and pressure are taken as  zero degree celcius and 1 atm…

Q: Compare the slope in the picture with the literature value of 11,100 liter • mol-1 • cm-1. You will…

A: The Beer-Lambert law is used to determine the concentration of a solution by observing the…

Q: A mixture of methane (CH₄) and butane (C₄H₁₀) at one atmosphere pressure and 25°C has a density of…

A: Ideal gas equation gives the relation between pressure(P) and volume(V), temperature(T) and number…

Q: A chemist adds 145.0 mL of a 0.00260 mol/L calcium sulfate (CaSO.) solution to a reaction flask.…

A: Given volume = 145 ml  Molarity  = 0.00260 mol/litre    Molarity = number of moles Volume in litre

Q: A chemist prepares a solution of iron(II) bromide (FeBr₂) by measuring out 491. g of iron(II)…

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Q: A chemist adds 1.65 L of a 4.1 mol/L potassium iodide (KI) solution to a reaction flask. Calculate…

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Q: At 25°C the volume of a gas sample is 380 mL. To what temperature must the gas sample be heated so…

A: Given that,  Initial temperature of gas (T1) = 25°C = 25+273.15 = 298.15 K Initial Volume of gas…

Q: Ethanol Oil and Water Water A student combines equal volumes of ethanol and water in a beaker and…

A: The two correct statements has to be decided.

Q: A chemist must dilute  49.9mL  of  973.mM  aqueous aluminum sulfate  Al2SO43  solution until the…

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Q: A chemist adds 210.0mL of a 0.248 mol/L barium chlorate (Ba(ClO3)2) solution to a reaction flask.

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Q: In the Dumas method for determining the molar mass of an unknown volatile liquid, a sample of a…

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Q: Suggest the possible methods of separation of liquid–gas mixtures. Explain each method with an…

A: The method which is used for separation of liquid-gas mixtures is Distillation.

Q: A chemist prepares a solution of silver perchlorate (AgClo,) by weighing out 2.40 kg of silver…

A: Concentration in g/dL = Mass of solute in g/Volume of solution on dL

Q: 11. Radon gas produces radioactive particles and in high concentrations can result in lung cancer in…

A: Given: Room dimension = 7.2 m × 8.5 m × 4.0 m = 720 cm × 850 cm × 400 cm Concentration of Radon gas…

Q: A chemist prepares a solution of nickel(II) chloride NiCl2 by measuring out 97.μmol of nickel(II)…

A: Molarity of a solution is defined as the amount of solute present in one litre of solution. It is…

Q: A chemist prepares a solution of silver perchlorate (AgC104) by measuring out 1.2 kg of silver…

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Q: How many equivalents is 2.1 x 10²³ molecules sulfuric acid?

A: Calculate the number of moles of acid. Number of moles = Given number of moleculesAvogadro's number=…

Q: The temperature of 328.6 mL of Ne is changed from 274.49°C to 14.27K. What is the new volume of the…

A: Given,V1=328.6mL           T1=274.49°C+273.15=547.64KV2=?                         T2=14.27KWe have…

Q: A 48.1-mL sample of gas in a cylinder equipped with a piston is warmed from 26 °C to 88 °C. Part A…

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Q: A chemist adds 400.0 mL of a 3.3 mol/L silver nitrate (AGN0,) solution to a reaction flask.…

A: The molarity is a unit of concentration of a solution. It is defned as the number of moles of solute…