How many moles of gas are pressured in a 25L chamber containing a pressure of 750 mmHg at – 25 deg C? Choices: 0.42, 1.21, 2.51, 9.21 or none of the choices

Q: A sealed container holding 0.0255 L0.0255 L of an ideal gas at 0.979 atm0.979 atm and 67 ∘C67 ∘C is…

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Q: A glass container weighs 50 gr when it is empty, 100 gr when it is filled with water, and 50.15 gr.…

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Q: An anesthetic gas contains 64.81% carbon, 13.60% hydrogen, and 21.59% oxygen, by mass. If 2.00 Lof…

A: According to the question,  Anesthetic gas contains 64.81% carbon, 13.60% hydrogen and 21.59%…

Q: 6. A breathing mixture is prepared in which He is substituted if N2. The gas is 79% He and 21% O2,…

A: The density is defined as the mass upon volume. Density is directly proportional to the mass and…

Q: A glass container weighs 50 gr when it is empty, 100 gr when it is filled with water, and 50.15 gr.…

A: Given, Empty weight of container = 50 gr Weight when filled with water = 100 gr Weight when filled…

Q: A 3.35 g sample of an unknown gas at 23 C and 1.10 atm is stored in a 3.05 L flask. What is the…

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Q: 5.0 grams Ne and 5.0 grams Cl2 are mixed together in a 5.0 L flask at 298K. Calculate: 1) the moles…

A: Mass of Ne = 5 g Mass of Cl2 = 5 g Volume of flask = 5 L temperature = 298 K

Q: A gas at 110 kPa and 30.0°C fills a flexible containerwith an initial volume of 2.00 L. If the…

A: Given data : The initial volume of the gas(V1) = 2 L The initial pressure of the gas(P1) = 110 kPa…

Q: A 7.00 L tank at -6.3 °C is filled with 18.4 g of dinitrogen difluoride gas and 4.58 g of dinitrogen…

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Q: Exactly 250cm³ of a gas at STP weighs 0.291g. The composition of the gas is as follows: C,92.24%,…

A: Given that, At STP, 22400 cm3 is the molar volume of a gas The weight of 250 cm3 of gas=0.291 g So,…

Q: mass of 8 g at ô°C and 0.87 atm occupies a olume which is equal to a volume of 11g CO2 at STP.…

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Q: Mark the following statements as true or false Real gases act more like ideal gases as the…

A: True or False

Q: 2.90 x 10^-3g of unknown gas are produced at 298k and 1.00 atm. The volume of gas generated was 3.52…

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Q: A sample of N2 gas has 4.42 moles and occupies 1.06L at 25 degrees Celsius. What volume will it…

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Q: The STP density of an unknown gas is found to be 2.32 g/L. What is the molar mass of the gas?

A: Density of unknown gas = 2.32g.L-1

Q: A commercial airliner has an internal pressure of 1.00 atm and temperature of 25° C at takeoff. If…

A: According to ideal gas law-PV = nRTWhereP – Pressure of the gasV- Volume occupied by gasn- Moles of…

Q: How many grams of NaOH are needed to produce 5.00 L of H2 gas at 285K and a pressure of 99.9 kPa? 2…

A: 16.9 g

Q: A flask contains 1.00 L of a pure gas at 0.850 atm and 20.0 °C. The mass of the gas is 1.13 g. a)…

A: (a) By help of ideal gas equation, we can calculate the molar mass of the gas - PV = n R T Or PV = w…

Q: A spherical tank 3 m in diameter contains 54.55 kg of a mixture of CO2 and N2. If the total pressure…

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Q: A gas mixture is made by combining 7.1 g each of Ar, Ne, and an unknown diatomic gas.  At STP, the…

A: The mass of each Ar, Ne and unknown diatomic gas present in mixture is 7.1 g. The volume occupied by…

Q: Gas X is an ideal gas occupying a volume of 25 ml at a temperature of 75 deg. F and a pressure of…

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Q: A laboratory technician forgot what the color coding on some commercial cylinders of gas meant but…

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Q: 20. A gas mixture is made by placing 6.00 grams each of Ne and Ar in a 10.0 L rigid container at…

A: (a) The partial pressure of Ne Molar mass of Ne = 20.2 g/mol mass given of Ne= 6.00 g number of mol…

Q: An unknown gas is placed in a 1.500 LL bulb at a pressure of 356 mmHgmmHg and a temperature of 22.5…

A: According to ideal gas law's, ratio of product of Pressure and volume to the product of temperature…

Q: many gases are shipped in high pressure containers.consider a steel tank whose volume is 55.0…

A: The unit of volume and temperature should be converted to liter and Kelvin respectively.

Q: "Calculate the total pressure of mixture of 1.31g of nitrogen gas. 2.53g of hydrogen gas, and 3.26g…

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Q: Four grams of a mixture of calcium carbonate and sand is treated with an excess of hydrochloric acid…

A: Since you posted multiple questions, we answered the first one We have the reaction CaCO3 + 2 HCl…

Q: (1) The following gases were mixed and placed in a 10-L container at STP: 1.00g He, 0.50g Xe, and…

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Q: A 2.35 g2.35 g sample of an unknown gas at 29 ∘C29 ∘C and 1.05 atm1.05 atm is stored in a 2.25 L2.25…

A: According to ideal gas law PV = nRT where P = pressure = 1.05 atm (given) V = volume = 2.25 L…

Q: How many moles of gas will occupy a 1400.0L storage tank if the temperature is 23.3°C and the…

A: Given that, the volume of the gas (V) = 1400 L temperature (T) = 23.3 oC = (273 + 23.3) K = 296.3 K…

Q: A glass container weighs 50 gr when it is empty, 100 gr when it is filled with water, and 50.15 gr.…

A: Weight of empty glass container =50 gr        -------(1) Weight of glass container when it is filled…

Q: 720 mL of H2 gas at 0°C and 126.6 kPa is changed to S.T.P. What will be its new volume ?

A: The question is based on the concept of combined gas equation. we have been given initial conditions…

Q: A glass container weighs 50 gr when it is empty, 100 gr when it is filled with water, and 50.15 gr.…

A: Gas is ideal gas and use ideal gas equation.

Q: An anaesthetic gas contains 64.81% carbon, 13.60% hydrogen, and 21.59 % oxygen by mass. If 2.00L of…

A: It is given that the anaesthetic gas contains, 64.81% carbon, 13.6% of hydrogen and 21.59% of…

Q: What volume would 15.2 g of a gaseous compound occupy at STP if its molecular weight is 44.0 g/mole…

A: Concept is based on ideal gas:

Q: 9. a) You have determined experimentally that at standard temperature and pressure (0 °C and 1 atm)…

A: For ideal gas the equation of state is :  PV = nRT = (W/M)RT  Or, M = WRT/PV ...(1)  Here, W =…

Q: What is the molar mass of an unknown gas with a density of 1.90 g/L at 1.00 atm and 25.0 °C?…

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Q: How many grams of Chlorine gas are needed to occupy a 10.0 liter gas cylinder with a pressure of…

A: Ideal gas equation :-  PV = nRT  P= pressure  V= volume  n = no. of moles  R = gas constant  T =…

Q: Consider the astronaut being supplied with He and N2. The density of helium at STP is 0?179g/L and…

A: It is given that density of helium at STP is 0.179g/L and oxygen is 1.43g/L (a) According to…

Q: The thermal decomposition of potassium chlorate can be used to produce oxygen in the laboratory.…

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Q: Calculate the density of methane gas (CH4) in grams per liter at 25 °C and 0.978 atm

A: As per guidelines, only 1st part has to be answered. Given that pressure of gas is 0.978 atm  And…

Q: 10. A 3.00-g sample of a mixture of K½O and BaO is placed in 600.0 cm³ vessel containing SO3 gas at…

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Q: 1. Express R, the gas law constant in units of mL•kPa/mol.K by converting L and atm to mL and kPa,…

A: Introduction :  R in the Ideal Gas Law is known as the gas constant and it is defined as the…

Q: #4

A: Given, Mass of CO2 = 22.0g. Temperature = 350C. Total pressure = 790 mm Hg. Moles of CO2 can be…

Q: gas mixture is made by combining 8.8g of each Ar, Ne, and an unknown diatomic gas. At STP, the…

A: The total number of moles of gas present in the mixture can be calculated using molar volume of a…

Q: A 6.00 L tank at -6.3 °C is filled with 12.2 g of carbon monoxide gas and 10.5 g of chlorine…

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Q: student mixed up two gas samples. One is ethene (C2H4) and the other is propene (C3H6). The student…

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Q: What quantity in moles of chlorine gas at 120.0 °C and 33.3 atm would Occupy a vessel of 12.0 L?

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