Fuels and energy questions | form two Chemistry
(4353) Question Category: Short answers (i) Why petroleum and coal are non-renewable sources of energy? Answer / Solution UNSOLVED |
(4935) Question Category: Short answers Give three examples in each of the following: Answer / Solution UNSOLVED |
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(5021) Question Category: Long answers Briefly explain why:
Answer / Solution UNSOLVED |
(5022) Question Category: Mathematical Calculation A mass of 20.0 g of petrol was burnt in air. The heat produced was used to heat 2.5 litres of water. Given that the heat value of petrol is 43,640 kJ/kg, by how much the temperature of water could have changed? (The specific heat capacity of water = 4.18 kJ kg-1 K-1 , Density of water = 1000 kg/m3 ). Answer / Solution UNSOLVED |
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(5023) Question Category: Long answers Briefly explain five characteristics to be considered when looking for a good fuel. Answer / Solution UNSOLVED |
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