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problem- a small cube of aluminum measures 179 mm on a side and weighs 925 g what is the density of aluminum in
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problem- how much energy is required to heat 20 ml of water from room temp 20 cto 40 c and also how much energy is
problem- ammonium hydrogen sulfide dissociates into ammonia and h2s if solid nh4hs is placed in an evacuated flask at a
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