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Chemical stoichiometry



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Q1. 78 grams of benzene is burnt in air, how much water will it produce?

(a) 18 grams
(b) 36 grams
(c) 54 grams
(d) 72 grams

Q2. 1 mole of glucose is burnt, how much carbon dioxide will it produce?

(a) 44 grams
(b) 176 grams
(c) 264 grams
(d) 352 grams

Q3. Pentane is burnt to produce carbon dioxide 40% of which can be converted into carbon monoxide, how much Butane must be burnt to produce 176 grams of carbon monoxide?

(a) 18 grams
(b) 36 grams
(c) 72 grams
(d) 96 grams

Q4. 56 grams of carbon monoxide is oxidized with excess oxygen, how much carbon dioxide will it produce?

(a) 22 grams
(b) 44 grams
(c) 66 grams
(d) 88 grams

Q5. 20 grams of CaCO3 is heated, how much calcium oxide will produce?

(a) 5.6 grams
(b) 11.2 grams
(c) 22.4 grams
(d) 44.8 grams

Q6. wC3H7O4 + xO2 -> yCO2 + zH2O, what is the value of w + x + y + z?

(a) 21
(b) 35
(c) 41
(d) 47

Q7. wC3H6O3 + xO2 ?> yCO2 + zH2O, what is the value of w + x + y + z?

(a) 3
(b) 6
(c) 10
(d) 14

Q8. C5H12 + xO2 -> yCO2 + zH2O, what is the value of x + y*z?

(a) 24
(b) 38
(c) 46
(d) 54

Q9. C2H4 + xO2 -> 2CO2 + yH2O, what is the value of x + y?

(a) 2
(b) 3
(c) 5
(d) 8

Q10. Which of the following does stoichiometry of a reaction is all about?

(a) Extent of reaction
(b) Heat of reaction
(c) Amount of reactants and products
(d) None of the mentioned


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0 Answer
216 views

Isotopes Of Any Element Have A. Same Atomic Weight But Different Atomic Number.

Modified 154 Year Ago Sanjana

216
Sanjana
154 Year Ago

Isotopes Of Any Element Have A. Same Atomic Weight But Different Atomic Number.

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