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A gobar gas plant produces methane and s...

A gobar gas plant produces methane and supplies to the families. If a family requires 15,000 kJ of energy per day, how many days will the quote of 10 kg will last ? `(Delta_(c)H "of" CH_(4) = - "1665 kJ "mol^(-1))`

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A gobar gas plant produces methane and supplies to the families. If a family requires 15000 kJ of energy per day, how many days will the quota of 20 kg will last (Delta_(c) H of CH_(4) = -1665 kJ mol^(-1) ).

a. A cylinder of gas is assumed to contain 11.2 kg of butane. If a normal family needs 20000kJ of energy per day for cooking, how long will the cylinder last? Given that the heat of combustion of butane is 2658 kJ mol^(-1) .

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In a gobar gas plant, gobar gas is formed by bacterial fermentation of animal refuse. It mainly contains methane and its heat of combustion is -809kJ mol^(-1) according to following equation: CH_(4) +2O_(2) rarr CO_(2)+2H_(2)O , DeltaH =- 809 kJ How much gobar gas would have to be produced per day for a small village of 50 families, it it is assumed that each family requires 20000 kJ of energy per day? The methane content in gobar gas is 80% by mass.

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A cylinder of gas is assumed to contain 11.6 kg of butane (C_4H_10) . If a normal family needs 20000kJ of energy per day, then the cylinder will last for : (Given that ΔH for combustion of butane is – 2658kJ)

In 15 days, the earth picks up 1.2 x 10^8 kg of dust from the atmosphere. In how many days it will pick up 4.8 x 10^8 kg of dust?

The heat of combustion of butane is 2658 kl. A cylinder of LPG gas (containing only butane) is assumed to contain 14.2 kg of butane. If a normal family needs 18000 kJ of energy per day for cooking, how long the cylinder will last?

When 5 litres of a gas mixture of methane and propane is perfectly combusted at 0^(@)C and 1 atmosphere, 16 litre of oxygen at the same temperature and pressure is consumed. The amount of heat released from this combustion in kJ (Delta H_(comb) (CH_(4)) = 890 kJ mol^(-1), Delta H_(comb) (C_(3)H_(8)) = 2220 kJ mol^(-1)) is

Assume that for a domestic hot water supply 150 kg water per day must be heated from 10^(@)C to 65^(@)C and gaseous fuel propane C_(3)H_(8) is used for this purpose. What moles and volume of propane (in L at STP) would have to be used for heating domestic water, DeltaH for combustion of propane is -2050kJ mol^(-1) and specific heat of water is 4.184 xx 10^(-3) kJ g^(-1) .

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