Chemistry, 20.11.2019 05:31 jjmarie612
Asolution containing 80 g of kcl in 200 g of h2o at 50 degrees celcius is cooled to 20 degrees celcius. how many grams of kcl remain in solution at 20 degrees celcius? how many grams of solid kcl crystallized after cooling?
Answers: 3
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This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?
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A155.0 9 piece of copper at 182 °c is dropped into 2500 g of water at 23.9 °c. (the specific heat of copper is 0.385 1/9°c.) calculate the final temperature of the mixture. (assume no heat loss to the surroundings.)
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