A vessel contains 120 g of oxygen at a pressure of 3.00 atm at 25°C. (a) What is the final pressure if 5.00 g of hydrogen are added at the same temperature without changing the volume of the container? (b) If the mixture in (a) is then exploded and allowed to cool back to 25°C, what will be the pressure of the gas in the vessel?

Q: To minimize the rate of evaporation of the tungsten filament, 1.4 × 10-5 mol of argon is placed in a…

A: The pressure of argon in light bulb at 23 degree Celsius is calculated as,

Q: ) A tank contains nitrogen N2 at an absolute pressure of 2.5 atm. What will be the pressure of an…

A:

Q: In what volume must 12.5 moles of argon be contained so that at 20.0°C it would exert a pressure of…

A:

Q: If 1.00 kg of ammonium nitrate is sealed into a 50.0 L steel drum and heated to 787 degrees Celsius,…

A: Given : Mass of ammonium nitrate i.e NH4NO3 = 1.00 Kg = 1000 g Volume of flask = 50.0 L Temperature…

Q: A gas In a bulb registers a pressure of 833 mm Hg in The manometer in which the reference arm of the…

A:

Q: A sample of nitrogen is collected by water displacement at 730,0 mm Hg and 20°C. What is the partial…

A: At 20oC vapor pressure of water = 17.5 mm Hg = PwaterTotal pressure = Ptotal = 730 mm Hg According…

Q: What pressure is exerted by 0.186 mol N2 in a 1.11 L steel container at 58.5 °C?

A: Given is number of moles of nitrogen gas is 0.186 mol  Temperature = 58.5°C + 273 = 331.5K Volume is…

Q: Lithium  metal reacts with molecular  oxygen  gas to form  lithium   oxide . A closed container of…

A: kkThe given data contains, Pressure = 8.12×105Pa   ( 1 atm =105Pa )Pressure =8.12 atmVolume =4…

Q: What is the partial pressure of the grey gas in the container below, given that the total pressure…

A:

Q: What mass of Carbon Dioxide will exert the same pressure as 12.5 g of ammonia at the same volume…

A: # We are given that we have same condition for both gases that is same volume, temperature and…

Q: A sample of volume 18.3 L has a mass of 57.9 g.(a) Is the material gaseous or condensed?(b) If the…

A: Since we know that gases molecules are spread over the entire vessel therefore it has very less…

Q: The pressure inside a hydrogen-filled container was 213 kPa at 21 °C. What would the pressure be if…

A: Given: Initial pressure       = 213 kPa Initial temperature = 21 oC Final temperature  = 99 oC

Q: A solid brick of dry ice (C O 2 ) weighs 0.75 kg.Once the brick has fully sublimated into C O 2 gas,…

A: The given data contains, mass = 0.75 kg = 750 g. Temperature = 273 K Pressure = 1 atm gas constant…

Q: Consider the following chemical reaction: C(s)+H2O(g)→CO(g)+H2(g) How many liters of hydrogen gas…

A: Given: mol of Carbon = 1.07 mol pressure = 1 atm temperature = 317 K we have to find grams of carbon…

Q: What is the partial pressure of O2?

A:

Q: In a laboratory, oxygen gas was collected by the water displacement method at atmospheric pressure…

A: Given:  Total pressure (PT) = 96.8 kPa  Pressure of water vapour(Pwater) = 2.64 kPa  Temperature =…

Q: What volume is occupied by 0.640 mol of CO2 at 273.5 K and 701 mmHg ?

A: We have to calculate the volume occupied by gas.

Q: .What is the temperature of gas, in K, that is expanded from 2.5 L at 25 C to 4.0 L at constant…

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Q: Based on the reaction 2 Ag2O(s) → 4 Ag(s) + O2(g), how many grams of silver oxide must have reacted…

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Q: 4. A sample of hydrogen is collected by displacing a sample of water with a temperature of 35°C. The…

A: Given Total pressure of mixture = 114 kPa

Q: What pressure is exerted by 998.1 g of CH4CH4 in a 0.600 L steel container at 135.2 K?

A: According to Ideal gas equation PV=nRT P=pressure V= volume R=gas constant = 0.0821Latm/mol.K T…

Q: Pure oxygen gas was first prepared by heating mercury(II) oxide, HgO: 2 HgO(s) → 2 Hg(1) + O2(g)…

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

Q: What volume does 12.6 grams of sulfur trioxide occupy at 35 degree C and 1.36 atm?

A: Ideal gas equation is, PV= nRT Where, P=pressure in atm, V=Volume in L, n =number of moles R=gas…

Q: Boron forms a variety of unusual compounds with hydrogen. A chemist isolated 6.3 mg of one of the…

A:

Q: What volume would 27 grams of CO2 occupy at 19 degrees celsius, 534 mm Hg pressure?

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: What pressure is exerted by 780.4 g of CH4 in a 0.870 L steel container at 130.3 K?

A:

Q: What volume is occupied by 0.781 mol of CO2 at 237.5 K and 977 mmHg?

A: Write down what information is given to you

Q: A tank contains nitrogen N2 at an absolute pressure of 2.5 atm. What will be the pressure of an…

A: You have given - Pressure of N2 gas = 2.5 atm equal mass of both gas. Same container hence equal…

Q: An acetylene tank, C,H, is used for an oxyacetylene welding torch that undergoes a combustion with…

A: Answers are explained below. a) Balanced chemical equation for the the given problem is: C2H2(g)…

Q: A sample of volume 258 cm3has a mass of 2.71 kg.(a) Is the material gaseous or condensed?(b) If the…

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Q: A chemist is investigating the conversion of atmospheric nitrogen to usable form by the bacteria…

A: Given information,    1.25 g of nitrogen gas in a flask of volume 250 mL at 20 °C.         moles of…

Q: 5. An engineer pumps 5.00 mol of carbon monoxide gas into a cylinder that has a capacity of 20.0 L.…

A: The pressure of an ideal gas will be directly proportional to the temperature of the gas and…

Q: A sample of hydrogen gas was found to have a pressure of 125 kPa when the temperature was 23 °C.…

A: It is given that a sample of hydrogen gas has a pressure of 125 kPa when the temperature is 23°C.

Q: A vacuum pump is capable of evacuating a vessel to a pressure of 5.0 x 10⁻³ mmHg. What is the…

A: Given that, Pressure in the vessel = 5.0 x 10⁻³ mmHg We have to convert the above pressure in atm.

Q: What volume is occupied by 0.502 mol of CO2 at 357.9 K and 819 mmHg?

A:

Q: What is the new pressure exerted by sulfur dioxide if a sample of 1.53 liters of sulfur dioxide at a…

A: Boyle's law is important because it tells us about the behavior of gasses. It explains, with…

Q: A 2.5 L canister under a pressure of 150 kPa at 20 °C is compressed to a volume of 1.5 L at 35 °C.…

A: The answer to the following question is-

Q: In a mixture of two gases, the partial pressure of methane is 0.175atm and the partial pressure of…

A: Given, Partial pressure of methane = 0.175 atmPartial pressure of oxygen = 0.250 atmVolume, V = 10.5…

Q: 3. Which assumptions of the kinetic molecular theory for gases are modified to explain the shape and…

A: KINETIC MOLECULAR THEORY: The theory which was states the particle nature of gases and their…

Q: At what the pressure, in atmospheres, that O2 gas at 75°C has a density of 2.00 g/L?

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

Q: By volume, dry air is 78% N2, 21% O2 and 1% Ar. What is the partial pressure of each of these…

A:

Q: A flask of volume 0.753 L contains a sample of chlorine gas, Cl2, with a pressure of 198 Torr at…

A: Volume = 0.753 L  Pressure = 198 torr  Temperature = 25.8 °C  Mass of sodium required to completely…

Q: How many grams of ammonia will exert the same  pressure as 28 mg of hydrogen sulfide, H2S, in the…

A:

Q: What would be the pressure of H2 (g) formed by the reaction of 89 grams of Al performed in a 10L…

A: According to ideal gas equation

Q: At constant volume, the temperature of a sample of sulfur dioxide gas is decreased from 97 o C to 27…

A: Given information: Initial temperature (T1) = 97 ℃ Final temperature (T2) = 27 ℃ Final pressure (P2)…

Q: Arsenic pentafluroide, AsF5 is a colorless gas. What would be the volume of 68.7 g of that compound…

A: In this question, we want to determine the volume of the gas.  How we can determine the Volume of…

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,