Q. The Velocity of water in a pipe of area 5 m² is 10 m/s, what will be the flow rate of water?

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Q. A liquid of density 0.1 kg/m³ is flowing through a pipe at a rate of 15 kg/s, what will be the area of the pipe if the fluid Velocity is 5 m/s?

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Q. 1 mole of Carbon dioxide enters in a reactor at a rate of 0.25 kg/s and leaves it at the rate of 1 kg/s, what are the number of moles of carbon dioxide leaves the reactor?

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Q. A Composition of carbon dioxide, oxygen and nitrogen with mole ratio 1:2:5 with 4 moles of oxygen, enters a reactor with a flow rate of 100 kg/s, the ratio of rates of leaving the reactor of the three is 5:2:1, and 5 moles of nitrogen leaves the reactor, what is the total number of moles leaving the reactor?

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Q. 10 moles of oxygen divides and enters two reactors flow rate 45 kg/s and leaves the reactors at the flow rates of 6 kg/s and 9 kg/s, what are number of moles of oxygen that leaves the reactor with 9 kg/s?

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Q. 10 Kg/s of a fluid with density 10 Kg/m³ is passed into a tank of capacity 50 m³, how much time will it take to fill the tank?

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Q. 15 Kg/s of a fluid with density 5 Kg/m³ is passed into a tank of capacity 30 m³, how much time will it take to fill the tank?

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Q. 20 Kg/s of a fluid with density 5 Kg/m³ is passed into a tank of capacity 60 m³, how much time will it take to fill the tank?

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Q. 16 grams of oxygen is passed in the process in 5 minutes, what is the molar flow rate?

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Q. 24 grams of CH₄ is passed in the process in 3 minutes, what is the molar flow rate?

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Q. What is the mole fraction of sodium with moles n in a solution with moles of solvent N?

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Q. What is the unit of mole fraction?

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Q. If the mole fraction of 4.5 moles of solute is 0.5, what is the number of moles of solvent?

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Q. What is the mass fraction of 4 moles of Sodium in 8 moles of Hydrogen chloride?

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Q. If the mole fraction of sodium is 0.25 in 9 moles of liquid carbon dioxide, what is the mass fraction of sodium?

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Q. A solution has 25% w/w solution of Sodium Chloride in 10 grams of water what is the mole fraction of Sodium Chloride?

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Q. If the mole fraction of SO₂ in H₂SO₄ is 0.2, what is the ratio of mass of sulfur and oxygen in the solution?

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Q. A mixture of gases SO₂, O₂ and 4 g of N₂ and total mass of mixture is 10 g, what is the sum of mole fraction of SO₂ and O₂?

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Q. A neutral gas that is made of nitrogen and hydrogen only contains 7 g of nitrogen is in a mixture of with total mass 17 g, what is the mass fraction of the gas?

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Q. A mixture contains 23 g of ethanol and 36 g of water, some acetic acid is added to the mixture and its mole fraction becomes 0.5, how much acetic acid was added?

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