Asked by Sarah
Initially you have 204 g grams of solid thallium at is at its melting point of 304ºC .
How many grams of liquid thallium will be present after 476 joules of heat have been added.
specific heat liquid thallium is 0.13j/g ºC; heat fusion = 21 j/g; boiling point thallium is 1457ºC; heat vaporization = 795 j/g;
How many grams of liquid thallium will be present after 476 joules of heat have been added.
specific heat liquid thallium is 0.13j/g ºC; heat fusion = 21 j/g; boiling point thallium is 1457ºC; heat vaporization = 795 j/g;
Answers
Answered by
DrBob222
heat to convert solid Tl to liquid Tl at 304 C.
q1 = mass Tl x heat fusion = approx 4300 J; therefore, there is not enough heat to melt all of the Tl. How much can we melt? That's
476 J = mass Tl x 21 J/g
mass Tl = 476/21 = about 23 g
q1 = mass Tl x heat fusion = approx 4300 J; therefore, there is not enough heat to melt all of the Tl. How much can we melt? That's
476 J = mass Tl x 21 J/g
mass Tl = 476/21 = about 23 g
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