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Is inhaling burnt plastic just once harmful? What is the percentage of a purchase that cost 39.99 and sold it to me in 29.99? How to solve integral of sin^2 x cos^4 x dx? using tri integral or sub.? How many grams of ice would remain if 4500 J energy is absorbed by 15.0 g ice at -5.0 C? A 4.40 g nugget of pure gold absorbed 282 J of heat. The initial temperature was 23.0°C. What was the final temperature?