What is the Molecular weight of a certain volatile liquid which is placed in 225 g flask which has total capacity volume of 251.16 ml where after the liquid was heated to 90.2 °C, the gas volatilized and the weight of the flask measured 227.59g.? Round you answer in one decimal place

Q: Find the temperature (in °C) at which 2.10 moles of chlorine gas filled in a 25.0L cylinder will…

A: Ideal gas equation: PV = nRT 1.25 x 25.0 = 2.10 x 0.0821 x T  T = 181.25 K  T = 181.25 - 273.15 oC…

Q: You vaporize a liquid substance at 100 0 C and 755 mm Hg. The volume of .548 grams of vapor is 237…

A: Temperature = 100°C= 373K Pressure = 755mmHg= 0.993atm Volume = 237mL = 0.237L Mass = 0.548g Let…

Q: General: 2.0 L of O2(g) and 8.0 L of N2(g) , each at STP, are mixed together. The non-reactive…

A: Given that : The volume of oxygen gas = 2.0 L The volume of nitrogen gas = 8.0 L At STP, the…

Q: What quantity in moles of chlorine gas at 120.0C and 33.3 atm would occupy a vessel of 25.0L?

A: Given,  The moles of chlorine gas at 120.°C and 33.3 atm that would occupy 25.0 L of vessel is:

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?

A:

Q: A mixture containing 0.250 mol N2 (g), 0.150 mol CH4 (g), and 0.100 mol O2 (g) is confined in a 1.00…

A: Moles of N2 = 0.250 mole CH4 = 0.150 mole O2 =0.100 mole

Q: 4. The maximum safe pressure that a certain 4.00L vessel can hold is 3.50 atm. If the vessel…

A:

Q: Under constant-pressure conditions a sample of hydrogen gas initially at 88oC and    9.6 L is cooled…

A: Given values are, Initial temperature =T1=88°C = 88+273.15 K = 361.15 K Initial volume V1= 9.6 L…

Q: Ammonia is an important fertilizer and industrial chemical. Suppose that a volume of 683 billion…

A: 1) Calculate the number moles of ammonia formed by using ideal gas equation. Ideal gas equation is:…

Q: What is the density of carbon dioxide gas at -25.2°C and 98.0 kPa?

A: It is given that:Pressure (P) = 98.0 kPaTemperature = -25.2 °C

Q: A gas mixture contains O2, N2, and Ar at partial pressures of 125, 175, and 225 mm Hg, respectively.…

A: Given details, At partial pressures, P(O2)=125 mm HgP(N2)=175 mm HgP(Ar)=225 mm Hg Then, the total…

Q: A sample of argon (Ar) and a sample of helium (He) are kept at the same temperature. Which one of…

A: 1.d) the particles of each gas have the same average kinetic energy Temperature is a measure of the…

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: Chlorine dioxide, ClO2, is sometimes used as a chlorinating agent for water treatment. It can be…

A: Given reaction is :  Cl2 (g) + 4NaClO (aq) ----------> 4NaCl (aq) + 2ClO2 (g) Volume of Cl2 = V…

Q: What volume (in mL) of 3.20 M HNO3(aq) needs to be added to excess Na2CO3(s) tc generate 4.85 L…

A:

Q: A 0.11 g of H2O2(l) decomposes to O2 (g) and H2O(g) in a 2.5L flask at 25C? What is the pressure for…

A: Given:Mass of H2O2 = 0.11 g.Volume of flask = 2.5 L.Temperature = 25 oC = 298 K.Chemical reaction of…

Q: A sample of an unknown compound is vaporized at 150. °C. The gas produced has a volume of 980. mL at…

A:

Q: Calculate the volume of dry co2 produced at body temperature (37 ∘c) and 0.970 atm when 25.5 g of…

A: The formation of carbon dioxide from the glucose is shown below. C6H12O6 (aq) + 6O2(g) → 6CO2(g) +…

Q: When heated, mercury (II) oxide (HgO) decomposes to give O2 gas. 2 HgO (s) → 2 Hg (l) + O2 (g) What…

A: From the above reaction we can see that 2 moles of HgO is decomposing to form 1 mole of O2  hence…

Q: How many g of He are in a sample with pressure= 3.4 atm, volume= 3.5L, and T= 37°C, assuming that it…

A: Given ,  Pressure ( P ) = 3.4 atm Volume ( V ) = 3.5 L Temperature ( T ) = 37°C = (37+273.15)K =…

Q: During the making of steel, iron(II) oxide is reduced to metallic iron by treatment with carbon…

A: The moles of Fe can be calculated as

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

A:

Q: What is the volume(in L) of carbon dioxide at 1.00atm and 298.15 k are released from a car's engine…

A: Here pressure of the car engine is fix at 1 atm. So Charle's law is applicable here. According to…

Q: Steam reforming of methane ( CH,) produces "synthesis gas," a mixture of carbon monoxide gas and…

A: Initial pressure of CH4 is 2.9 atm Initial pressure of H2O is 4.3 atm Equilibrium pressure of CO is…

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

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

Q: If an ideal gas initially at 0.8 bar and 1.7 L is compressed at constant temperature to a volume of…

A: An ideal gas initially at 0.8 bar and 1.7 L is compressed at constant temperature to a volume of 0.9…

Q: Under constant-pressure conditions a sample of hydrogen gas initially at 88°C (361K) and 9600 mL is…

A: Given : Initial volume of gas = 9600 mL Initial temperature of gas = 88 oC And final volume of gas =…

Q: 2. The O2 gas masses in a tank of capacity (42L) and under pressure (177.7 atm) at a temperature of…

A:

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: A 190 mL sample of neon has its pressure changed from 75 kPa to 160 kPa. What is its new volume?

A: Given data, V1=190 mLP1=75 kPaP2=160kPa To calculate the new volume.

Q: For the decomposition reaction PCl5(g) = PCl3(g) + Cl2(g), it was determined that when 0.200 mol of…

A: Given: Volume of PCl5 = 1.50 L Moles of PCl5 = 0.2 moles Decomposition of PCl5 = 35%  Temperature of…

Q: A sample of an unknown compound is vaporized at 110*C. The gas produced has a volume of 2100.mL at a…

A: We have given that Temperature = T = 110 + 273  = 383K  Volume = V = 2100 mL = 2.1 L Pressure = P =…

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: If a tank contains 453 mol of propane, what volume of propane gas could be supplied at 22°C and…

A: Given the pressure of propane gas is --- 14.22psi  Temperature T=22oC The number of moles of propane…

Q: A 0.338-g sample of gas occupies 125 mL at 60. cm of Hg and 25°C. What is the molar mass of the gas?

A: It is given that the mass of the sample is 0.338 g and occupies 125 mL at a pressure of 60 cm Hg at…

Q: For many purposes we can treat propane C3H8 as an ideal gas at temperatures above its boiling point…

A: As per the gas equation:P1V1T1=P2V2T2

Q: 1. Calculate the density 2. Convert 0.05 ppm, of SO2 in air to Assume atmospheric pressure and a…

A:

Q: A sample of chlorine gas starting at 684 mm Hg is placed under a pressure of 992 mm Hg and reduced…

A: Given : Initial pressure of chlorine gas = 684 mm Hg Final pressure of chlorine gas = 992 mm Hg…

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…

A:

Q: A syringe containing 1.47 mLmL of oxygen gas is cooled from 94.5 ∘C∘C to 0.8 ∘C∘C. What is the final…

A:

Q: A storage tank of volume V contains the mass M of oxygen (O2) at pressure P. What is the temperature…

A: Given, Volume = V Mass of oxygen = M Pressure = P   Required,                           Temperature…

Q: In what situation would we rather use a Erlenmeyer flask over a beaker if both cannot be used to…

A: Erlenmeyer flask has a narrow neck and the beaker has a wide-open mouth.

Q: In case of Ideal Gas law, PV=nRT, what volume in Liters would 3.50 moles of Oxugen Gas , O2, occupy…

A: Given, Moles of Oxygen gas (n) = 3.50 moles Universal gas constant (R) = 0.0821 L.atm/mol.K…

Q: Concentrated hydrogen peroxide solutions are explosively decomposed by traces of transition metal…

A: Given: Temperature = 298K Pressure =744torr

Q: Mass of a vacuumed (empty) vessel of volume 5 L is 640.05 g, and mass of the same vessel filled with…

A: Number of moles of hydrocarbon can be determined using Ideal gas Equation as follows,

Q: What is the molar mass of a gas that has a sample mass of 3.17 g and occupies a volume of 548 mL at…

A: Mass of gas sample (mgas) = 3.17 g Volume occupied by sample (Vgas) = 548 mL or 0.548 L Conversion:…

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