3. Marks Question 6. LPG stands for liquefied petroleum ans. Varieties of LPG are marketed in mixture of propane (60and butane 40). INOL O this mixture is bum volume of carbon dioxide was added to the atmosphere om rections can be represented as CH,[&] + 50,0) 300,(g) + 4H2O(g) 20, Hols) +130,(g) 800,(g) + 10H2O(g)

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LPG stands for liquefied petroleum gas. Varieties of LPG are marketed including a mixture of propane (60%) and butane (40%). If 10 litre of this mixture is burnt, find the total volume of carbon dioxide gas added to the atmosphere. Combustion reactions can be represented as:

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(i) LPG stands for liquefied petroleum gas. Varieties of LPG are marketed including a mixture of propane (60%) and butane (40%). If 10 litre of this mixture is burnt, find the total volume of carbon dioxide gas added to the atmosphere. Combustion reactions can be represented as:
C₃H_g_(g) + 5O₂_(g) → 3CO₂_(g) + 4H₂O_(g)
2C₄H₁₀_(g) + 13O₂_(g) → 8CO₂_(g) + 10H₂O_(g)

(ii) Calculate the percentage of nitrogen and oxygen in ammonium nitrate [Relative molecular mass of ammonium nitrate is 80, H = 1, N = 14, O = 16].

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LPG stands for liquefied petroleum gas. Varieties of LPG are marked including a mixture of propane (60%) and butane (40%). If 10 litre of this mixture is burnt, find the total volume of carbon dioxide gas added to the atmosphere. Combustion reactions can be represented as :

$C_{3} H_{8} (g) + 5 O_{2} (g) \to 3 {CO}_{2} (g) + 4 H_{2} O (g) 2 C_{4} H_{10} (g) + 13 O_{2} (g) \to 8 {CO}_{2} (g) + 10 H_{2} O (g)$

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Q86.

(1) LPG stands for liquefied petroleum gas. varieties of LPG are marketed including a mixture of propane $60 %$ and butane $40 %$ . if $10$ litres of this mixture is burnt, find the total volume of carbon dioxide gas added to the atmosphere. combustion reactions can be represented as:

$C_{3} H_{8} (g) + 5 O_{2} (g) \to 3 {CO}_{2} (g) + 4 H_{2} O (g) 2 C_{4} H_{10} + 13 O_{2} (g) \to 8 {CO}_{2} (g) + 10 H_{2} O (g)$

(ii) calculate the percentage of nitrogen and oxygen in ammonium nitrate. [relative molecular mass of ammonium nitrate is $80$ , $[H = 1, N = 14, O = 16]$

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(a) (i) LPG stands for liquefied petroleum gas. VArieties of LPG are marketed including a mixture fo propane (60%) and butane (40%) . If 10 litre of this mixture is burnt, find the total volume of carbon dioxide gas added to the atmosphere. Combustion reactions cab be represented as:
$C_{3} H_{8 (g)} + 50_{2 (g)} \to 3 C O_{2 (g)} + 4 H_{2} O_{(g)} 2 C_{4} H_{10 (g)} + 13 O_{2 (g)} \to 8 C O_{2 (g)} + 10 H_{2} O_{(g)}$
(ii)
Calculate the percentage of nitrogen and oxygen in ammonium nitrate. [Relative molecular mass of ammonium nitrate is 80, H = 1, N = 14, O = 16].
(b)4.5 moles of calcium carbonate are reacted with dilute hydrochloric acid.
(i) Write the equation for the reaction .
(ii) What is the mass of 4.5 moles of calcium carbonate ? (Relative molecular mas of calcium carbonate is 100).
(iii) What is the volume of carbon dioxide liberated at STP?
(iv) What mass of calcium chloride is formed?
(Relative molecular mass of calcium chloride is 111).
(v) How many moles of HCl are used in this reaction?

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