Q. There were 15 moles of a substance present initially in a system, 25 moles were added to it and a reaction occurred so that its moles are reduced by 50%, what are the final moles of substance in the system?

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Q. 10 moles of A were present in a system initially, and 12 moles of C are added to it, it undergoes the reaction 2A + 3C -> 2B, what are number of moles of B produced?

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Q. 10 moles of A were present in a system initially, and 8 moles of C are added to it, it undergoes the reaction 5A + 3C -> 4B, what are number of moles of B produced?

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Q. 8 moles of A were present in a system initially, and 24 moles of B are added to it, it undergoes the reaction 2A + 3B -> 4C + 5D, what are number of moles of D produced?

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Q. Which of the following is constant in a closed system?

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Q. How is the boundary wall of a closed system?

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Q. Desert Cooler is an example of which of the following?

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Q. A jar filled with water is an example of which of the following?

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Q. A pressure cooker is an example of which of the following?

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Q. A country is an example of which of the following?

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Q. An egg is an example of which of the following?

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Q. The human body is an example of which of the following?

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Q. What is the accumulation in the system after 10 second if the out flow and in flow rates are 10 g/s and 15 g/s?

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Q. What is the accumulation in the system after 4 second if the out flow and in flow rates are 3 g/s and 8 g/s?

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Q. The flow in rate of A is 5 mole/s, it undergoes a reaction A -> 2B, what are the moles of B that comes out after 5 seconds?

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Q. The flow in rate of A is 8 mole/s, it undergoes a reaction 3A -> B, what are the moles of B that comes out after 6 seconds?

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Q. The flow in rate of A and B are 5 mole/s and 10 mole/s respectively, which under goes reaction A + 2B -> 3C, what is the flow out rate of C?

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Q. The flow in rate of A and B are 4 mole/s and 8 mole/s respectively, which under goes reaction A + B -> 3C, what is the flow out rate of C?

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Q. The flow in rate of A and B are 8 mole/s and 10 mole/s respectively, which under goes reaction 4A + 5B -> 3C, what is the flow out rate of C?

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Q. Which of the following remains constant in steady state system?

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