Ethane burns in air to give H 2 O and CO 2 . 2 C 2 H 6 (g) + 7 O 2 (g) 4 CO 2 (g

Question

Ethane burns in air to give H2O and CO2.

2 C2H6(g) + 7 O2(g) 4 CO2(g) + 6 H2O(g)

What volume of O2 (L) is required for complete reaction with 4.9 L of C2H6? Assume all gases are measured at the same temperature and pressure.

V =  L

Ethane burns in air to give H2O and CO2.

2 C2H6(g) + 7 O2(g) 4 CO2(g) + 6 H2O(g)

What volume of H2O vapor (L) is produced in the complete reaction of 4.9 L of C2H6? Assume all gases are measured at the same temperature and pressure.

V =  L

Ethane burns in air to give H2O and CO2.

2 C2H6(g) + 7 O2(g) 4 CO2(g) + 6 H2O(g)

What volume of H2O vapor (L) is produced in the complete reaction of 4.9 L of C2H6? Assume all gases are measured at the same temperature and pressure.

V =  L

Explanation / Answer

2 C2H6(g) + 7 O2(g) 4 CO2(g) + 6 H2O(g)

according to balanced reaction

2 x 22.4 L C2H6 require 7 x 22.4 L O2

4.9 L C2H6 require 4.9 x 7 x 22.4 / 2x22.4 = 17.15 L

volume of O2 required = 17.15 L

2 x 22.4 L C2H6 produce 6 x 22.4 L H2O

4.9 L C2H6 produce 4.9 x 6 x 22.4 / 2 x 22.4 = 14.7 L

volume of H2O vapour produced = 14.7 L

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