A 45 kg sample of water absorbs 345kj of heat if the water
A 45 kg sample of water absorbs 345kj of heat. If the water was initially at 22.1c what is its final temprature?
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since 1976 brazil has made it mandatory that all automobiles run on a blend of 25 ethanol and 75 hydrocarbon based
a rectangular block of wood m 219 kg floats on a calm fresh water lake with do 227 cm below the water when a dog
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a 021-kg coffee mug is made from a material that has a specific heat capacity of 900 jkg middot cdeg and contains 036
a 45 kg sample of water absorbs 345kj of heat if the water was initially at 221c what is its final
the engine in a 1500kg car has a maximum power output of 200hp but 25 of the power is lost before reaching the drive
a compound contains only c h and n combustion of 315 mg of the compound produces 302 mg co2 and 370 mg h2o what is the
a 200 meter long horizontal plank whose mass is 300 kg is placed so that the very end the right end rests on a
how abundant are tryptophan and cysteine in proteins and what characteristics of these amino acids affect their
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