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) What is the molar mass of the gas? (use the correct sig. hg as well as the units) b) What is its identity?

Q: At 25.0° C, a 10.00 L vessel is filled with 7.00 atm of Gas A and 5.89 atm of Gas B. What is the…

A: The partial pressure is the mixture of gases being occupied the with same volume at the same…

Q: What volume of oxygen gas is produced when 82.4 g of mercury(II) oxide reacts completely according…

A:

Q: 9.) What volume of hydrogen gas is produced when 11.3 g of iron reacts completely according to the…

A: iron (s) + hydrochloric acid (aq)  ----> iron(II) chloride (aq) + hydrogen (g) Chemical Reaction…

Q: Consider the following equation: CH&O7(s) +3 NaHCO3(s) + H20(1) --> Na3CgHgO7(s) + 3H2O(1) + 3CO2g)…

A: Here we first calculate the production of CO2 as a mole. Then use gas equation to determine the…

Q: A gas cylinder contains 50.0 L of the gas argon when it is full. If the cylinder was at an internal…

A:

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: molar mass

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Q: A fire extinguisher releases 1.96 g of an unknown gas that occupies 1.00 L at STP. What is the molar…

A: Given that:                                   Mass of the unknown gas = 1.96 g…

Q: How many moles of nitrogen gas are required to react completely with 19.8 L of oxygen gas according…

A: The chemical reaction is,                 N2 (g) + O2 (g)  ------> 2NO (g)   (Balanced) Thus one…

Q: A vessel with a volume of 25.00 L contains 0.200 moles of nitrogen gas (N2), 0.300 moles of hydrogen…

A: Total Pressure in the vessel is equal to the sum of the partial pressure of the individual gases.…

Q: In an experiment of 0.609 atm wer

A: As you have posted a question with multiple parts, we will solve the first question for you. To get…

Q: After dissolving an unknown tablet in water, the tablet dissolves and liberates a gas. Suppose at 1…

A: Given that:            Volume of gas (V) = 360 mL = 0.360 L               Temperature (T) = 20℃ =…

Q: What volume of oxygen gas is produced when 45.7 g of mercury(II) oxide reacts completely according…

A:

Q: At 25.0° C, a 10.00 L vessel is filled with 8.34 atm of Gas A and 7.89 atm of Gas B. What is the…

A: The gaseous state is the state of matter with least intermolecular force of attraction between…

Q: At 25.0° C, a 10.00 L vessel is filled with 7.06 atm of Gas A and 7.89 atm of Gas B. What is the…

A:

Q: At 25.0° C, a 10.00 L vessel is filled with 5.98 atm of Gas A and 7.89 atm of Gas B. What is the…

A:

Q: What volume of oxygen gas is produced

A:

Q: 4. The decomposition of 30.354 g of potassium chlorate yields solid potassium chloride and oxygen…

A: 2KClO3 → 2KCl (s) + 3O2Mass of KClO3= 30.354gT= 27.05°C   = (27.05+273.15)K     = 300.2KP= 1.075…

Q: At what temperature will 4.00 mol of He fill a 3.00-L container at standard pressure? Enter your…

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Q: A large flask with a volume of 936 mL is evacuated and found to have a mass of 134.66 g. It is then…

A: step 1: Here, given as the: Thus, the mass of gas is 1.38g. Now, to calculate the molar mass,…

Q: For the following chemical equation e Al (s) + 6 HCI (aq) ----> 2 ALCI3 (aq) + 3H2 (g) How many…

A: From combined gas law

Q: What volume of oxygen gas is produced when 40.9 g of mercury(II) oxide reacts completely according…

A: The equation for the dissociation of HgO is as follows, 2HgO (s) -> 2Hg (l) + O2 (g)  The…

Q: A 0.593g sample of gas has a volume of 115 mL at 53.2 ∘C and 94.0 kPa. What is the molar mass of…

A: Use ideal gas equation:

Q: A 1.95 g sample of an unknown gas at 67 °C and 1.05 atm is stored in a 2.05 L flask. What is the…

A: The molar mass of a chemical compound is defined as the mass of a sample of that compound divided by…

Q: A sealed flask contains 3.1 L of a gas at 2.4 atm and 22.7 °C. If the density of the gas is 9.7 g/L,…

A:

Q: A large flask with a volume of 936 mL is evacuated and found to have a mass of 134.66 g. It is then…

A:

Q: a flask contains 1.00 L of a pure gas at 0.850 atm and 20.0°C. mass of the gas= 1.13 What is the…

A:

Q: An unknown element exists as a diatomic gas and has a density of 3.164 g/l at STP. What is the…

A: using ideal gas equation,  PM = d RT d = density of gas.

Q: At 25.0° C, a 10.00 L vessel is filled with 5.50 atm of Gas A and 7.89 atm of Gas B. What is the…

A: Partial pressure of gas A = 5.50 atm Partial pressure of gas B = 7.89 atm Total pressure of gas =…

Q: At 35.0 °C, a 12.00 L vessel is filled with 6.00 atm of Gas A and 6.89 atm of Gas B. What is the…

A: Given data is as follows: The volume of vessel = 12.00 L The temperature of the system = 35.0 °C The…

Q: At 25.0 ° C, a 10.00 L vessel is filled with 5.96 atm of Gas A and 7.89 atm of Gas B. What is the…

A: Assuming Gas A and Gas B to be ideal, we have  PxV=nxRxT where P is  pressure of the gases,  V is…

Q: Consider the following equation: C6H8O7(s)  + 3 NaHCO3(s) + H2O(l) --> Na3C6H8O7(s) + 3H2O(l) +…

A: Given mass of C6H8O7 = 193.6 molar mass of C6H8O7 = 192.1 g/mol Temperature = 313°K volume = 108.4 L

Q: Three 1.00 L flasks at 25.0 °C and 1013 kPa pressure contain: CH4 (flask A), CO2 (flask B) and NH3…

A: The volume, temperature and pressure of three flasks (flask A, flask B and flask C) is 1.00 L,…

Q: You are given two containers, each with the same number of moles but of two different gases.  After…

A: The two gases can be differentiated by their specific heat capacity.

Q: At what temperature will 2.00 mol of He fill a 6.00-L container at standard pressure? Enter your…

A:

Q: There are 4.00 moles of gas in a sealed container with a volume of 3.00L. Some of the gas is removed…

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Q: At 1.10 atm and 14.23 ∘C, a 2.15g sample of gas occupies a volume of 2.10×103 mL. Calculate the…

A: Given pressure = 1.10 atm volume = 2.10 × 103 ml Temperature = 14.23°C mass = 2.15 g

Q: A student collects 122. mL of hydrogen gas at 23.8 °C. The pressure of the hydrogen gas was…

A:

Q: At 25.0° C, a 10.00 L vessel is filled with 5.16 atm of Gas A and 7.89 atm of Gas B. What is the…

A: Answer:- This question is answered by using the simple concept of calculation of mole fraction using…

Q: A gaseous compound has a density of 1.64 g/L at 21.6 °C and 1.27 atm. What is the molar mass of the…

A:

Q: A 4.00-g sample of a mixture of CaO and BaO is placed in a1.00-L vessel containing CO2 gas at a…

A: First we have to calculate the reacted pressure of CO2 gas in the given reaction:- The initial…

Q: A large evacuated flask initially has a mass of 134,567 g. When the flask is filled with a gas of…

A: Mass of flask + water=1067.9 g mass of flask=134.567 g Mass of water filling the flask =…

Q: If 3.23 g Ar are added to 4.22 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

A:

Q: If 1.52 g Ar are added to 3.41 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

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Q: What volume of oxygen gas is produced when 28.2 g of mercury(II) oxide reacts completely according…

A:

Q: At 1.29 atm and 29.54∘C, a 3.14 g sample of gas occupies a volume of 1.70 ×103 mL. Calculate the…

A: Given, P= 1.29 atm  Mass = 3.14 g Volume = 1.70 ×103 mL T = 29.54∘C

Q: If an ideal gas is allowed to expand from 2.00 L to 7.00 L at constant temperature, by what factor…

A: Given: Initial volume of gas = 2.00 L And final volume of gas = 7.00 L

Q: A gaseous compound has a density of 1.68 g/L at 21.2 °C and 1.30 atm. What is the molar mass of the…

A: Density=1.68g/L  Pressure=1.30 atm T= 21.2°C = 21.2 + 273 =294.2 K

Q: Consider the following reaction: C(s) + O2(g) -CO2(g) What volume of oxygen gas at 25 °C and 1.02…

A: The ideal gas equation is shown below: PV = nRT Where; P = pressure of the gas V= volume of the gas…

Q: 2. An unknown gas sample is collected in a 245 mL container at 25°C and 755 mmHg. a. How many moles…

A: Given :-  Volume of gas = 245 mL  Pressure  = 755 mm Hg  Temperature = 25°C  Mass of gas = 0.356 g…

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.