A reactor is supplied with 5 moles of KNO3 and some H2SO4, if the extent of reaction is 2, how many moles of H2SO4 were supplied?

Cannot be determinedView answer

209 + Mcqs in Species Material Balances in Chemical Engineering Page 1 McqOptions

1.	A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO2, 25% N2 and stream-2 containing pure H2S, if the product has 1200 grams of S, and the ratio of H2S to H2O is 5 and the ratio of SO2 to H2S is 2, what is percentage of Sulfur in the product?
A.	23%
B.	47%
C.	61%
D.	84%View answer
Answer» D. 84%View answer

Discussion

2.	A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO2, 25% N2 and stream-2 containing pure H2S, if the product has 1200 grams of S, and the ratio of H2S to H2O is 5 and the ratio of SO2 to H2S is 2, what fraction of excess reagent is converted into product?
A.	0.23
B.	0.55
C.	0.74
D.	0.87View answer
Answer» C. 0.74

Discussion

3.	A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO2, 25% N2 and stream-2 containing pure H2S, if the product has 1200 grams of S, and the ratio of H2S to H2O is 5 and the ratio of SO2 to H2S is 2, how many moles of water are produced?
A.	1
B.	2
C.	3
D.	4View answer
Answer» B. 2

Discussion

4.	A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO2, 25% N2 and stream-2 containing pure H2S, if the product has 1200 grams of S, and the ratio of H2S to H2O is 5 and the ratio of SO2 to H2S is 2, what fraction of limiting reagent is converted into product?
A.	0.21
B.	0.46
C.	0.73
D.	0.83View answer
Answer» E.

Discussion

5.	A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO2, 25% N2 and stream-2 containing pure H2S, if the product has 1200 grams of S, and the ratio of H2S to H2O is 5 and the ratio of SO2 to H2S is 2, what is the rate of streams?
A.	10 mole
B.	20 moles
C.	30 moles
D.	40 molesView answer
Answer» D. 40 molesView answer

Discussion

6.	A reactor is supplied with a feed of composition 46% C3H7O4, 44% O2 and 10% N2, if 50% of the limiting reagent is converted into product, what is the percentage of H2O in the product?
A.	15
B.	23
C.	39
D.	51View answer
Answer» C. 39

Discussion

7.	A reactor is supplied with a feed of composition 46% C3H7O4, 44% O2 and 10% N2, if 50% of the limiting reagent is converted into product, what is the percentage of C3H7O4 in the product?
A.	10
B.	16
C.	31
D.	43View answer
Answer» D. 43View answer

Discussion

8.	A reactor is supplied with a feed of composition 46% C3H7O4, 44% O2 and 10% N2, if 50% of the limiting reagent is converted into product, what is the percentage of N2 in the product?
A.	8
B.	18
C.	34
D.	46View answer
Answer» B. 18

Discussion

9.	A reactor is supplied with a feed of composition 46% C3H7O4, 44% O2 and 10% N2, if 50% of the limiting reagent is converted into product, what is the percentage of O2 in the product?
A.	10
B.	18
C.	38
D.	54View answer
Answer» C. 38

Discussion

10.	A reactor is supplied with a 100 mole feed of composition 46% C3H7O4, 44% O2 and 10% N2, if 50% of the limiting reagent is converted into product, what is the extent of reaction?
A.	1
B.	2
C.	3
D.	4View answer
Answer» C. 3

Discussion

11.	A reactor is supplied with 5 moles of KNO3 and some H2SO4, if the extent of reaction is 2, how many moles of H2SO4 were supplied?
A.	1
B.	2
C.	5
D.	Cannot be determinedView answer
Answer» E.

Discussion

12.	A reactor is supplied with 10 moles of O2 and 10 moles of H2, if the extent of reaction is 5, how many moles of water is produced?
A.	5
B.	10
C.	15
D.	20View answer
Answer» C. 15

Discussion

13.	A reactor is supplied with 10 moles of CH4 and 10 moles of O2, if the extent of reaction is 3, what are the moles of CO2 produced?
A.	3
B.	6
C.	8
D.	12View answer
Answer» B. 6

Discussion

14.	A reactor is supplied with 6 moles of N2 and 9 moles of H2, if 3 moles of NH3 is produced, how many moles of H2 are left at the end?
A.	1.5
B.	3
C.	4.5
D.	6View answer
Answer» D. 6View answer

Discussion

15.	A reactor is supplied with 6 moles of CO and 3 moles of O2 and produced 4 moles of CO2, what is the extent of reaction?
A.	1
B.	2
C.	3
D.	4View answer
Answer» C. 3

Discussion

16.	In a batch process, 70 Kg of H₂O and 10 Kg of NaOH and some other reactants enters the vessel, if 100 Kg of product leaves the vessel, what is the percentage of H₂O in the product?
A.	10%
B.	30%
C.	70%
D.	100%
Answer» D. 100%

Discussion

17.	Solution-1 containing 30% acetic acid and 100% nitrogen at the rate 10 Kg/min combines with Solution-2 containing 20% acetic acid and 10% nitrogen at the rate 20 Kg/min and Solution-3 containing 10% acetic acid and 30% nitrogen at the rate 30 Kg/min the product formed contains 20% acetic acid, what is the percentage of nitrogen in product?
A.	10%
B.	20%
C.	30%
D.	Cannot be determined
Answer» B. 20%

Discussion

18.	A reactor supplied with CO₂ and H₂O, the product contains H₂O and H₂CO₃, if the rate of H₂O is 10 mole, what is the rate of products?
A.	5 mole
B.	10 mole
C.	15 mole
D.	20 mole
Answer» C. 15 mole

Discussion

19.	A reactor is supplied with 2 streams both at the rate 5 mole, one has 40% Cl₂ and 60% N₂, and another has pure C₂H₆, if the product has C₂H₅Cl, HCl and N₂ at the rate 20 mole, what is the percentage of HCl in products?
A.	10%
B.	15%
C.	25%
D.	30%
Answer» C. 25%

Discussion

20.	A gas mixture input is given to a membrane with 40% O₂ and 60% N₂, the waste contains 80% of the input and the product contains 25% O₂ and 75% N₂, what is the percentage of O₂ in the waste?
A.	0.22
B.	0.44
C.	0.66
D.	0.88
Answer» C. 0.66

Discussion

21.	144 grams of C₅H₁₂ is burnt with 64 grams O₂, and 44 grams of CO₂ is formed, what is the percentage of excess O₂?
A.	25%
B.	50%
C.	75%
D.	100%
Answer» B. 50%

Discussion

22.	Waste water flowing with TSS concentration 40 mg/L at the rate of 10 Liter/min is discharged into the river, if the river is flowing at the rate of 15 Liter/min, what is the concentration of TSS in the river?
A.	10 mg/L
B.	30 mg/L
C.	45 mg/L
D.	60 mg/L
Answer» E.

Discussion

23.	10 Kg of oil is burnt in a container and taken off from the container if 1% of oil remains on the container wall, how much oil is taken off?
A.	8.9 Kg
B.	9 Kg
C.	9.9 Kg
D.	10 Kg
Answer» D. 10 Kg

Discussion

24.	In a batch process, 40 mole of O₂ and 30 mole of CO₂ entered a vessel with some CO₂, if 100 mole of product leaves the vessel, what is the percentage of O₂ in the product?
A.	10%
B.	40%
C.	60%
D.	80%
Answer» C. 60%

Discussion

25.	An aqueous solution with sulfur 10 g/L at the rate is 100 L/min and an organic compound with no sulfur at the rate 50 L/min were put into an extraction machine and produced aqueous solution with sulfur 1 g/L, what is the amount of sulfur in organic compound after extraction?
A.	2 g/L
B.	5 g/L
C.	9 g/L
D.	15 g/L
Answer» D. 15 g/L

Discussion

26.	A reactor supplied with CO₂ and H₂O, the product contains 40% CO₂, 30% H₂O and 30% H₂CO₃, what is the ratio of feed rate of CO₂ and rate of products?
A.	0.3
B.	0.4
C.	0.7
D.	0.9
Answer» D. 0.9

Discussion

27.	Solution-1 containing 30% acetic acid and 20% nitrogen at the rate 10 Kg/min combines with Solution-2 containing 20% acetic acid and 10% nitrogen at the rate 20 Kg/min and Solution-3 containing 10% acetic acid and 30% nitrogen at the rate N the product formed contains 20% acetic acid at the rate P, what is the percentage of nitrogen in product?
A.	10%
B.	17.5%
C.	25.5%
D.	32.5%
Answer» C. 25.5%

Discussion

28.	Solution-1 containing 40% acetic acid and 20% carbon dioxide at the rate F combines with Solution-2 containing 20% acetic acid and 40% carbon dioxide at the rate D, the product formed contains 30% acetic acid at the rate P, what is the percentage of carbon dioxide in product?
A.	10%
B.	20%
C.	30%
D.	40%
Answer» D. 40%

Discussion

29.	100 Kg of a gas mixture of 40% He and 60% Ne is passed through a diffusion tube and the product has 20% He and 80% Ne, what is the amount of He recovered?
A.	25 Kg
B.	45 Kg
C.	50 Kg
D.	75 Kg
Answer» B. 45 Kg

Discussion

30.	An aqueous solution with chlorine 30 g/L and an organic compound with no chlorine at the rate 50 L/min were put into an extraction machine and produced aqueous solution with chlorine 5 g/L and organic compound with chlorine 10 g/L, what is the rate of aqueous solution?
A.	10 L/min
B.	20 L/min
C.	30 L/min
D.	40 L/min
Answer» D. 40 L/min

Discussion

31.	Solution-1 containing 10% nitric acid and 20% acetic acid at the rate F combines with Solution-2 containing 20% nitric acid and 10% acetic acid at the rate D, the product formed contains 30% nitric acid and 20% acetic acid at the rate P, how many independent equations containing F, D, and P are possible?
A.	1
B.	2
C.	3
D.	4
Answer» D. 4

Discussion

32.	How much nitrogen must be added to a 20% nitrogen solution to obtain 100 Kg of 40% nitrogen solution?
A.	10 Kg
B.	25 Kg
C.	50 Kg
D.	75 Kg
Answer» C. 50 Kg

Discussion

33.	A reactor is supplied with C₆H₁₂O₆ and the following reactions occur C₆H₁₂O₆ -> 2C₂H₅OH + 2CO₂ and C₆H₁₂O₆ –> 2C₂H₃CO₂H + 2H₂O, 360 grams of pure glucose is supplied and 44 grams of CO₂ was produced, what 90 grams of glucose left unreacted, how many grams of water was produced?
A.	9
B.	18
C.	36
D.	54
Answer» B. 18

Discussion

34.	A reactor is supplied with C₆H₁₂O₆ and the following reactions occur C₆H₁₂O₆ -> 2C₂H₅OH + 2CO₂ and C₆H₁₂O₆ –> 2C₂H₃CO₂H + 2H₂O, 360 grams of pure glucose is supplied and 44 grams of CO₂ was produced, what 90 grams of glucose left unreacted, how many grams of ethanol was produced?
A.	23
B.	46
C.	92
D.	186
Answer» C. 92

Discussion

35.	A batch process is that in which material enters the system and _____ which of the following should fill the gap?
A.	Leaves
B.	Does not leaves
C.	Half of it leaves
D.	None of the mentioned
Answer» B. Does not leaves

Discussion

36.	A reactor supplied with CO₂ and H₂O, the product contains CO₂, H₂O and H₂CO₃, if the rate of products is 10 mole and percentage of CO₂ in products is 20%, what is the feed rate of H₂O?
A.	2 mole
B.	4 mole
C.	8 mole
D.	10 mole
Answer» D. 10 mole

Discussion

37.	A reactor is supplied with 10 moles of CH₄ and 10 moles of O₂, if the extent of reaction is 3, what are the moles of CO₂ produced?
A.	3
B.	6
C.	8
D.	12
Answer» B. 6

Discussion

38.	A reactor is supplied with 2 streams both at same rates, one has pure Cl₂ , and another has pure C₂H₆, if the product has 20% C₂H₅Cl and 50% HCl and 30% C₂H₆, what is the ratio of rate of feed and rate of product?
A.	0.2
B.	0.5
C.	2
D.	5
Answer» C. 2

Discussion

39.	A reactor is supplied with 10 mole of Hexane and some hydrogen to produce 20% methane, 30% propane and 50% butane, what is the rate of products?
A.	10 mole
B.	16.6 mole
C.	26.6 mole
D.	40 mole
Answer» D. 40 mole

Discussion

40.	Propane is burnt with 20% excess O₂, what is the percentage of CO₂ in products?
A.	12.5%
B.	25%
C.	45%
D.	75.5%
Answer» B. 25%

Discussion

41.	50 Kg of a solid liquid mixture containing 20% solid and 80% water is left open in atmosphere, after some time the water is 60%, how much water is evaporated?
A.	15 Kg
B.	25 Kg
C.	35 Kg
D.	45 Kg
Answer» C. 35 Kg

Discussion

42.	Solution-1 containing 20% w₁ and w₂ at the rate 10 Kg/min combines with Solution-2 containing 10% w₁, 20% w₂ and w₃ at the rate 20 Kg/min, the product formed contains and 10% w₁, 30% w₂ and 20% w₃ , what is the percentage of w2 in solution-1?
A.	5%
B.	10%
C.	25%
D.	50%
Answer» E.

Discussion

43.	A semi-batch process differ from a closed process in which of the following?
A.	Input
B.	Output
C.	Generation
D.	Consumption
Answer» B. Output

Discussion

44.	The flow in rate of C₆H₆ and H₂ in a system are 3 mole/hr each what is the flow out rate of C₆H₁₂?
A.	1 mole/hr
B.	1.2 mole/hr
C.	1.5 mole/hr
D.	2 mole/hr
Answer» B. 1.2 mole/hr

Discussion

45.	Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O₂, N₂, CO₂ and H₂O, what is the rate of products?
A.	900 moles
B.	950 moles
C.	1000 moles
D.	1050 moles
Answer» E.

Discussion

46.	What is the percentage of excess air, if 10 moles of air entered the process and only 5 moles of that are required?
A.	10%
B.	50%
C.	75%
D.	100%
Answer» E.

Discussion

47.	A gas mixture of 40% He and 60% Ne is passed through a diffusion tube, if the amount of He is recovered is 20% of the input, what is the percentage of He in the product?
A.	25 %
B.	33.3 %
C.	50 %
D.	66.6 %
Answer» B. 33.3 %

Discussion

48.	In a steady-state reactive system, NaOH and HCl are supplied to the system both at the rate of 100 mole/min, then what is the rate of NaCl produced?
A.	100 mole/min
B.	200 mole/min
C.	300 mole/min
D.	400 mole/min
Answer» C. 300 mole/min

Discussion

49.	The flow in rate of HCl and NaOH in a system are 1 mole/hr each what is the flow out rate of NaCl?
A.	1 mole/hr
B.	2 mole/hr
C.	3 mole/hr
D.	4 mole/hr
Answer» B. 2 mole/hr

Discussion

50.	400 g of CaSO₄ is dissolved with 500 g of H₂O, if 226 g of CaSO₄.5H₂O crystallizes out, then what is the percentage of CaSO₄ in the remaining solution?
A.	39.16%
B.	51.54%
C.	62.28%
D.	75.67%
Answer» B. 51.54%

Discussion

Explore topic-wise MCQs in Chemical Engineering.

A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO2, 25% N2 and stream-2 containing pure H2S, if the product has 1200 grams of S, and the ratio of H2S to H2O is 5 and the ratio of SO2 to H2S is 2, what is percentage of Sulfur in the product?

A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO2, 25% N2 and stream-2 containing pure H2S, if the product has 1200 grams of S, and the ratio of H2S to H2O is 5 and the ratio of SO2 to H2S is 2, what fraction of excess reagent is converted into product?

A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO2, 25% N2 and stream-2 containing pure H2S, if the product has 1200 grams of S, and the ratio of H2S to H2O is 5 and the ratio of SO2 to H2S is 2, how many moles of water are produced?

A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO2, 25% N2 and stream-2 containing pure H2S, if the product has 1200 grams of S, and the ratio of H2S to H2O is 5 and the ratio of SO2 to H2S is 2, what fraction of limiting reagent is converted into product?

A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO2, 25% N2 and stream-2 containing pure H2S, if the product has 1200 grams of S, and the ratio of H2S to H2O is 5 and the ratio of SO2 to H2S is 2, what is the rate of streams?

A reactor is supplied with a feed of composition 46% C3H7O4, 44% O2 and 10% N2, if 50% of the limiting reagent is converted into product, what is the percentage of H2O in the product?

A reactor is supplied with a feed of composition 46% C3H7O4, 44% O2 and 10% N2, if 50% of the limiting reagent is converted into product, what is the percentage of C3H7O4 in the product?

A reactor is supplied with a feed of composition 46% C3H7O4, 44% O2 and 10% N2, if 50% of the limiting reagent is converted into product, what is the percentage of N2 in the product?

A reactor is supplied with a feed of composition 46% C3H7O4, 44% O2 and 10% N2, if 50% of the limiting reagent is converted into product, what is the percentage of O2 in the product?

A reactor is supplied with a 100 mole feed of composition 46% C3H7O4, 44% O2 and 10% N2, if 50% of the limiting reagent is converted into product, what is the extent of reaction?

A reactor is supplied with 5 moles of KNO3 and some H2SO4, if the extent of reaction is 2, how many moles of H2SO4 were supplied?

A reactor is supplied with 10 moles of O2 and 10 moles of H2, if the extent of reaction is 5, how many moles of water is produced?

A reactor is supplied with 10 moles of CH4 and 10 moles of O2, if the extent of reaction is 3, what are the moles of CO2 produced?

A reactor is supplied with 6 moles of N2 and 9 moles of H2, if 3 moles of NH3 is produced, how many moles of H2 are left at the end?

A reactor is supplied with 6 moles of CO and 3 moles of O2 and produced 4 moles of CO2, what is the extent of reaction?

In a batch process, 70 Kg of H₂O and 10 Kg of NaOH and some other reactants enters the vessel, if 100 Kg of product leaves the vessel, what is the percentage of H₂O in the product?

A reactor supplied with CO₂ and H₂O, the product contains H₂O and H₂CO₃, if the rate of H₂O is 10 mole, what is the rate of products?

A reactor is supplied with 2 streams both at the rate 5 mole, one has 40% Cl₂ and 60% N₂, and another has pure C₂H₆, if the product has C₂H₅Cl, HCl and N₂ at the rate 20 mole, what is the percentage of HCl in products?

A gas mixture input is given to a membrane with 40% O₂ and 60% N₂, the waste contains 80% of the input and the product contains 25% O₂ and 75% N₂, what is the percentage of O₂ in the waste?

144 grams of C₅H₁₂ is burnt with 64 grams O₂, and 44 grams of CO₂ is formed, what is the percentage of excess O₂?

Waste water flowing with TSS concentration 40 mg/L at the rate of 10 Liter/min is discharged into the river, if the river is flowing at the rate of 15 Liter/min, what is the concentration of TSS in the river?

10 Kg of oil is burnt in a container and taken off from the container if 1% of oil remains on the container wall, how much oil is taken off?

In a batch process, 40 mole of O₂ and 30 mole of CO₂ entered a vessel with some CO₂, if 100 mole of product leaves the vessel, what is the percentage of O₂ in the product?

An aqueous solution with sulfur 10 g/L at the rate is 100 L/min and an organic compound with no sulfur at the rate 50 L/min were put into an extraction machine and produced aqueous solution with sulfur 1 g/L, what is the amount of sulfur in organic compound after extraction?

A reactor supplied with CO₂ and H₂O, the product contains 40% CO₂, 30% H₂O and 30% H₂CO₃, what is the ratio of feed rate of CO₂ and rate of products?

Solution-1 containing 40% acetic acid and 20% carbon dioxide at the rate F combines with Solution-2 containing 20% acetic acid and 40% carbon dioxide at the rate D, the product formed contains 30% acetic acid at the rate P, what is the percentage of carbon dioxide in product?

100 Kg of a gas mixture of 40% He and 60% Ne is passed through a diffusion tube and the product has 20% He and 80% Ne, what is the amount of He recovered?

An aqueous solution with chlorine 30 g/L and an organic compound with no chlorine at the rate 50 L/min were put into an extraction machine and produced aqueous solution with chlorine 5 g/L and organic compound with chlorine 10 g/L, what is the rate of aqueous solution?

How much nitrogen must be added to a 20% nitrogen solution to obtain 100 Kg of 40% nitrogen solution?

A batch process is that in which material enters the system and _____ which of the following should fill the gap?

A reactor supplied with CO₂ and H₂O, the product contains CO₂, H₂O and H₂CO₃, if the rate of products is 10 mole and percentage of CO₂ in products is 20%, what is the feed rate of H₂O?

A reactor is supplied with 10 moles of CH₄ and 10 moles of O₂, if the extent of reaction is 3, what are the moles of CO₂ produced?

A reactor is supplied with 2 streams both at same rates, one has pure Cl₂ , and another has pure C₂H₆, if the product has 20% C₂H₅Cl and 50% HCl and 30% C₂H₆, what is the ratio of rate of feed and rate of product?

A reactor is supplied with 10 mole of Hexane and some hydrogen to produce 20% methane, 30% propane and 50% butane, what is the rate of products?

Propane is burnt with 20% excess O₂, what is the percentage of CO₂ in products?

50 Kg of a solid liquid mixture containing 20% solid and 80% water is left open in atmosphere, after some time the water is 60%, how much water is evaporated?

Solution-1 containing 20% w₁ and w₂ at the rate 10 Kg/min combines with Solution-2 containing 10% w₁, 20% w₂ and w₃ at the rate 20 Kg/min, the product formed contains and 10% w₁, 30% w₂ and 20% w₃ , what is the percentage of w2 in solution-1?

A semi-batch process differ from a closed process in which of the following?

The flow in rate of C₆H₆ and H₂ in a system are 3 mole/hr each what is the flow out rate of C₆H₁₂?

Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O₂, N₂, CO₂ and H₂O, what is the rate of products?

What is the percentage of excess air, if 10 moles of air entered the process and only 5 moles of that are required?

A gas mixture of 40% He and 60% Ne is passed through a diffusion tube, if the amount of He is recovered is 20% of the input, what is the percentage of He in the product?

In a steady-state reactive system, NaOH and HCl are supplied to the system both at the rate of 100 mole/min, then what is the rate of NaCl produced?

The flow in rate of HCl and NaOH in a system are 1 mole/hr each what is the flow out rate of NaCl?

400 g of CaSO₄ is dissolved with 500 g of H₂O, if 226 g of CaSO₄.5H₂O crystallizes out, then what is the percentage of CaSO₄ in the remaining solution?