What is the Molecular weight of a certain volatile liquid which is placed in 225 g flask which has total capacity volume of 254.74 ml where after the liquid was heated to 90.6 °C, the gas volatilized and the weight of the flask measured 227.12g.? Round you answer in one decimal place unit is NOT required

Q: To what temperature must 76.3 g of krypton be raised in order to have the same rootmean-squared…

A: Root mean square speed of gas molecules can be calculate from the following formula

Q: Photosynthesis by land plants leads to the fixation each year of about 1 kg of carbon on the average…

A: P, T and  mass of Carbon are given for which the volume required is to be determined.

Q: A quantity of an ideal gas with a molar mass of 40 g/mol is compressed into a 0,1m^3 cylinder. The…

A: Ideal gas equation is given by, PV = nRT   P - Pressure V - Volume n - no.of moles R - Universal gas…

Q: A sample of an ideal gas at 1.00 atm and a volume of 1.49 L was placed in a weighted balloon and…

A: Given, initial pressure (P1) = 1 atm  Initial volume (V1) = 1.49 L  Final pressure (P2) = 10 atm…

Q: The partial pressures of H2 gas and O2 gas in a mixture are 2.35 atm and 1.09 atm, respectively.…

A:

Q: please help me. double and triple check your answers, previous tutors got it wrong.

A: The mole fraction of C2H4O2 is calculated as,

Q: What is the value of the compressibility factor of an ideal gas with molar volume that is equal to…

A: Given:  Pressure = 1 atm  Temperature  = 300 K  Molar Volume (Vm) = 0.50 L/mol  R = 0.0821 atm L…

Q: The number of moles of (CO:) gas present in 44.8 cm' at standard temperature and pressure (STP)…

A: Molar volume of a gas is the volume covered by 1 mol of it. Number of moles =volume of gasmolar…

Q: A sample of an ideal gas at 1.00 atm and a volume of 1.70 L was placed in a weighted balloon and…

A: Boyle's law:  According to Boyle’s law, the absolute pressure exerted by a given mass of an ideal…

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: A 0.465 g sample of an unknown compound occupies 245 mL at 298 K and 1.22 atm. What is the molar…

A: Ideal gases are those gases which follow ideal gas equation. The relation between pressure, volume,…

Q: In order to determine the rate of photosynthesis (the conversion by plants of carbon dioxide and…

A: Given: T = 293 k Total Pressure = 754.9 mmHg Value of gas colleted = 1.58 L Partial pressure = 17.55…

Q: What is the molar mass of a gas if a 0.227 g sample occupies 135 mL at 25 *C and 68.5 kPa? *

A: Ans is 60.81g/mol

Q: How many SCF of an ideal gas are required to fill a (100 ft') tank to a pressure of (40 psig) when…

A:

Q: cas occupies a volume of 365 mL at 24°C and 7 t STP? mL

A: Initial Volume = 365 mL Initial Temperature = 297 K Initial pressure = 742 mmHg Final Temperature =…

Q: In practice, gas mixtures are almost always reported in terms of mass fractions and not mole…

A: Mass Fraction:- It is defined as the ratio of mass of constituent to the total mass of the mixture…

Q: About 8.0x 10 tons of urea 10NH,CO] are used annually as a fertilizer. The urea is prepared at…

A: Mass of urea 2.35 ton   Temperature 200°C = (273.15+200)K  Pressure = 145 atm  We have to calculate…

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: Calculate (1) partial pressures, (2) mole fractions, (3) (4) densities of the gaseous components in…

A: We have 0.2 kg of H2 The molar mass of H2 is 2 gm/mole Hence, 0.2 kg of H2 = 1 mole×200 g2 g=100…

Q: Dry air may be considered to consist of 75.53 per cent by mass of nitrogen, N2 and 23.14 per cent by…

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: You are working in an oil refinery. Where you use hydrocarbon gases like methane (CHA), ethane (CH),…

A: Partial Pressure is defined as if a container filled with more than one gas, each gas exerts…

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: Answer the following and note that this is seriously not out of scope for Solutions. 3.) Which…

A: The kinetic theory of gases is summarized as below: 1) The gas particles are smaller compared to the…

Q: At standard temperature and pressure (0 °C and 1.00 bar), 1.00 mol of an ideal gas occupies a volume…

A: Since, the given gas is an ideal gas. We can apply Ideal gas equation to this case:PV=nRTP= 1 barV=…

Q: What is the molar mass of a gas if a 0.227 g sample occupies 135 mL at 25 °C and 68.5 kPa?

A:

Q: Hydrogen was collected over water at 21.4°C on a day when the atmospheric pressure was 741 Torr. the…

A: Given :  Temperature = 21.4 °C = 294.4 K  Atmospheric pressure = 741 Torr  Volume of gas collected =…

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: 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: At standard temperature and pressure (0 ∘C and 1.00 atm ), 1.00 mol of an ideal gas occupies a…

A: The ideal gas equation is given by

Q: A scientist finds that the air trapped in a J tube occupies the volume of 62. 86 cm3 at 18 bar…

A: Since you have posted multiple questions with multiple sub-parts, we will solve the first three…

Q: The total number of binary collision of molecular oxygen in a vessel at 25degree celcius 2 atm in 15…

A: Given : Temperature = 25 degree celsius = 298 Kelvin Pressure = 2 atm  Time = 15 sec Molecular…

Q: In order to determine the rate of photosynthesis (the conversion by plants of carbon dioxide and…

A: Given, Temperature, T = 293 K Total pressure, Ptotal = 757.0 mmHg Volume of O2 gas collected, V =…

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

A:

Q: The volume of the mixture prepared by taking 1.158 moles and 0.842 moles of water and ethanol,…

A: Partial Molar Volume :-         Partial molar volume of a substance X in a mixture is the change in…

Q: The human body burns glucose C6H12O6 for energy according to this chemical…

A: Given  volume of air exhaled per breath = 500 mL  volume of CO2 = 4100×500 mL = 20 mL = 0.00002 m3…

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: 0.56g of ethene gas is 1 poin contained in a vessel at a pressure of 102 kPa and the temperature of…

A:

Q: A vessel containing 39.9 of helium gas at 25°C and 106 kPa was inverted and placed in cold ethanol.…

A:

Q: An ideal gas is allowed to expand from 9.00 L9.00 L to 85.5 L85.5 L at constant temperature. By…

A: Volume define size of any substance .it is denoted in Litre or ml. Calculate change in volume do…

Q: A 1:1 mixture by moles of nitrous oxide and oxygen is often used as a sedative in dentistry. If the…

A: Mole fraction of nitrous oxide (N2O) and Oxygen (O2) is calculated as follows,

Q: On our campus, there are approximately 30.000 students who use 2.5 x 10° kJ of energy per day.…

A:

Q: A mixture of xenon and methane gases contains xenon at a partial pressure of 354 mm Hg and methane…

A: Partial pressures of xenon and methane are given. We have to calculate the mole fractions of Xe and…

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: Photosynthesis by land plants leads to the fixation each year of about 1 kg of carbon on the average…

A: Given data,Mass of carbon=1kg%CO2 by…

Q: 1. Calculate the volume of carbon dioxide adjusted to 25 °C and 1 atm, that plants need to make 1.00…

A:

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.