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How much heat is given off by 1,000 kg of lead when it solidifies at its melting point? (see the table)
substance: heat of fusion(j/kg)
copper 2.66 x 10^5
iron 2.66 x 10^5
silver 1.04 x 10^5
lead 2.04 x 10^4
gold 6.30 x 10^4
answers:
(a): 4.90 x 10^-2 j
(b): 2.04 x 10 j
(c) 2.04 x 10^8 j
(d) 2.04 x 10^7 j
(p. s x=multiply its not an exponent btw)
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How much heat is given off by 1,000 kg of lead when it solidifies at its melting point? (see the tab...
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