How many kilojoules of heat were absorbed
An ice bag containing 324 of ice at 0deg C was used to treat sore muscles. When the bag was removed, the ice had melted and the liquid water had a temperature of 17.0 deg C.How many kilojoules of heat were absorbed?
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When formic acid is heated it decomposes to hydrogen and carbon dioxide in a first order decay calculate the partial pressure of formic acid if the intial pressure at time 0 equal 220 torr
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When the bag was removed, the ice had melted and the liquid water had a temperature of 17.0 deg C. How many kilojoules of heat were absorbed?
Calculate the minimum volume in litres of aqueous sodium hypochlorite solution 12.5%, 12.5g/100ml that would be needed to convert all of the cyanide residues in a gold mine's oxidation pond into the safer cyanate form.
calculate the molecular mass of a solute with 8.02 grams of solute in 861 grams of water lower the freezing point to -.430 degree Celsius.
A 27.0-gram sample of an unknown hydrocarbon was burned in excess oxygen to form 88.0 grams of carbon dioxide and 27.0 grams of water. What is a possible molecular formula of the hydrocarbon?
Calculate the bicarbonate and carbonate alkalinities, in mg/L as CaCO3 , of a water having a total alkalinity of 233.0mg/L as CaCO3 and a ph of 10.47?
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