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Problem- Commercial product called instant car cooler contains 10% wt of ethanol and 90% of water. If the interior of the car overheats to spray the product and cool the interior. To drop the air temperature from 55c to 25c requires air to give up 3.6 kj. how many grams of the above product must be used to absorb heat? The emt happy vaporization for ethanol is 850j/g and water is 2360kj

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