How much will a 15 cm x 5 cm x 7 cm bar of gold weigh in kilograms? The density of the metal is 19.36cm3/mL
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How much will a 15 cm x 5 cm x 7 cm bar of gold weigh in kilograms? The density of the metal is 19.36cm3/mL

[From: ] [author: ] [Date: 11-07-19] [Hit: ]
But i cant seem to get it all .i am almost Done, thought..you multiply by density 535*19.36=10164g =10.......
Also this one,
Calculate the total amount of heat energy necessary to reduce the temperature of 250 grams of
steam from 110oC to -5oC.

i have this Very very Long assignment ... But i can't seem to get it all .i am almost Done, thought.. Thank you in advance

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I make the first

volume in cm^3 or mL is 15*5*7=535mL
you multiply by density 535*19.36=10164g =10.164 kg

for the second you must give the specific heat of steam.

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I just wanted to say maussy 15*5*7=525 not 535! but your answer is right ! and something else: the density should be gr/cm3(ml) not cm3/ml in the question!

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Stop trying to get answers for your Chemistry homework in Yahoo! answers. Teachers/professors to look over these, ya know.
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