if 243 ml of gas was collected over water at 25 degrees and has a total pressure of 0.993 bar what mass of hydrogen is produced the Vapour pressure of water at 25 degrees is 0.0317 bar

Q: A 0.822 gram sample of an unknown gas is found to occupy a volume of 0.776 L at a pressure of 602 mm…

A: The molar mass of gas is determined from Ideal gas law equation by using following formula  M =…

Q: The volume occupied by 2 g of a gas at STP, if its vapour density is 56 is 0.25 L 0.4 L O 1.1 L 0.7…

A: One mole of any gas at STP occupies 22.4 L of volume. Molecular weight = 2 × Vapour density

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 tank has a volume of 1.250 L and is filled with air with a relative humidity of 55% at 298K.…

A:

Q: Twelve grams of O2is mixed with 10 g of N2and held at 27 ‰at 0.85 bar. (a) What are the mole…

A:

Q: Silicon tetrachloride(SiCl4)and trichlorohydrosilicon(SiHCl3) are both starting material of…

A:

Q: Determine the compressibility factor for Oz at 250.0 atm and 10.0°C. Bp = -2.777 x 102 L/mol, Cp =…

A:

Q: According to the Graham’s Law of diffusion which moves faster HCl or NH3, define and please explain…

A: According to Graham's law rate of diffusion depends on molecular mass, temperature and concentration…

Q: A water Stonge tank contatns liquid and vapour in eguilibruim at ilo2. The distance from bottom of…

A: This question involves multiple steps to solve. see the solution given below

Q: Which statement below is false regarding ideal and real gases? A.) Real gas calculations factor in…

A:

Q: An ideal gas at 30°C and at a pressure of 1.0 bar is contained in a glass vessel. If the vessel can…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: A container filled with an unknown quantity of the gaseous mixture at 310 K is in hydrostatic…

A:

Q: A gaseous mixture contains 435.0 Torr H2(g), 387.5 Torr N2(g), and 85.3 Torr Ar(g). Calculate the…

A:

Q: Sketch a pressure versus volume graph for this ideal gas, either using the graph paper on the next…

A: The concept of the ideal gas molecule has been laid down to compare the behavior of real gas…

Q: Calculate the mean free path of a hypothetical Pc gas atom at 298K and 1.00 atm. The molar mass of…

A:

Q: A gas with a volume of 0.517 L is initially at an unknown temperature.  The gas is submerged in…

A: The solution is as follows :

Q: In an experiment as described in the Principles section, 158 mL of O2 is collected over water.  The…

A:

Q: What will be the density of water at 298 K and 1 atm?

A: The density of a compound is the ratio between the mass of the compound to its volume. If the…

Q: The products of combustion of ethanol C,H,OH are cooled to 15°C at a pressure of 1 bar. Determine…

A: Formula used:  Mole = weight of compound/ Molar mass Combusion reaction of ethanol C2H5OH(l) +…

Q: Which is not an assumption of an ideal gas? The molecules travel in random, straight lines. have…

A:

Q: why is the flask is allowed to cool back to room temperature. Account for the occupied by the gas…

A: The kinetic theory of gases expresses that the gas atoms are little contrasted with their distance…

Q: eudiometer

A: Part A: The formula for calculating vapor pressure at different temperatures is given as: ln(P1/P2)=…

Q: A gas becomes significantly non-ideal if the temperature is significantly raised/lowered (Choose…

A:

Q: 0.291 g

A: Mg + 2HCl -----> MgCl2 + H2

Q: Eleanoron gas is a newly discovered toxic gas with a very noxious odour. A sample of Eleanoron is…

A: Pressure of a gas is a physical property that is defined as force exerted by gas molecules per unit…

Q: The leveling bulb must be above the level of the water to insure the pressure inside the buret is…

A: Given that : We have to identify whether the given statement is true or false :

Q: Calculate the volume occupied by 11.2 g of the gas at NTP. Given that the vapour density of a gas is…

A: Given in the question : Vapour density of gas = 11.2 Mass of gas = 11.2 g Volume of gas = ? Vapor…

Q: 5. According to the Graham's Law of diffusion which moves faster HCl or NH, define and please plain…

A:

Q: A pressurized tank of helium gas initially at 9 bar and 34 C is cooled until the pressure reaches…

A: Ideal gas equation: PV = nRT where P is pressure, V is volume, n is moles of gas, R is the molar gas…

Q: A student collected  10.28 mL of H2 over water at  30.00 ºC. The water level inside the collection…

A:

Q: A quantity of air at temperature 30 C and pressure 2 bar is found to occupy Vi(m3). It is heated at…

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: Determine both the empirical and molecular formula of this hydrocarbon.

A:

Q: A gas with a volume of 0.559 L is initially at an unknown temperature.  The gas is submerged in…

A: Given, V1 = 0.559L T1 = ? V2 = 0.277L T2 =  100 degree Celsius

Q: The partial pressure of oxygen was observed to be 355 torr in air with a total atmospheric pressure…

A:

Q: Molecular clouds composed mostly of hydrogen molecules have been detected in interstellar space. The…

A:

Q: A piece of metal weighing 0.713 g was placed in an eudiometer containing aqueous HCI. After the…

A: An ideal gas equation is derived from the combination of Charle's law, Boyle's law, and Avogadro…

Q: Calculate the number density and the mean free path for a water molecule that is in the vapor phase…

A: Given: Temperature (T) = 373.15 K               Pressure (P) = 1.0 atm               Diameter (σ) =…

Q: What is the partial pressure of oxygen in air at atmospheric pressure (1 atm)? Assume ideal…

A: The composition of O2 in the air is 21% or 0.21 fraction.

Q: If the oxygen gas sample in #1 passed through a drier that decreased the pressure of the mixture to…

A: Dalton's law: Dalton's law of partial pressures states that in a mixture of non-reacting gases, the…

Q: Consider the following chemical reactions: KClO3 (s) ----------> KCl(s) + O2(g)  NaNO3(s)…

A: Given the total mass of the mixture = 5.0000 g Mass of residue (KCl+NaNO2) formed = 3.8600 g. The…

Q: .. A container of volume V contains a very dilute ideal gas at density n and temperature T. The…

A: Ideal Gas follow the PV = RT for all temperatures  and  volumes.

Q: contains 0.550 bar H2(g)0.550 bar H2(g) , 0.491 bar N2(g)0.491 bar N2(g) , and 0.121 bar Ar(g)0.121…

A:

Q: How can the ideal gas law be used to find the molar mass of an unknonwn liquid?

A: Molar mass of unknown liquid can be calculated by Dumas method. In this method we vaporize the…