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250 gallons of water (at 25 degrees Celsius and 1 atmospheric pressure) are boiled to power...

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Chemistry

250 gallons of water (at 25 degrees Celsius and 1 atmosphericpressure) are boiled to power a steam engine. The heat source toboil the water is the combustion of methanol according the thereaction below. 2 CH3OH (liters) + 3 O2 (grams) −→ 2 CO2 (grams) +4 H2O (liters) Using the enthalpy of the combustion of methanol (at25 degrees Celsius and 1 atmospheric pressure), how many liters ofmethanol are required to boil the 250 gallons of water?

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3.6 Ratings (608 Votes)
ANSWER CONCEPT The energy supplied by combustion of methanol is used up for two processes 1 For raising temperature of water to boiling point Energy needed m X Cp X T m mass of water 1 Gallon of water    See Answer
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