rajbharkritesh321 rajbharkritesh321

09-08-2021
Chemistry

contestada

Lead of mass 0.75kg is heated from 21°c to its melting point and continues to be heated unit it has all melted. Calculate how much energy is supplied to the lead. [Melting point of lead 372.5°c specific latent heat of fusion of lead = 23000 Jkg 'k ']

Respuesta :

DanielObams DanielObams

10-08-2021

Answer:

65.5J

Explanation:

ML=Q

ML=MC(change in temperature)

0.75 X 23000 =0.75 X 351 X C

C= 65.5J

Answer Link

Otras preguntas

Find the average. golf scores: -3, 4, 2, 1, -4, -1, 3, -2 a) -1 c) 1 b) 0 d) 2

Which is greater -4 or -5

Clarence Darrow and William Jennings Bryan faced each other in the 1920s in what legal circumstance?A- both ran for Congress against each otherB- a trial regard

if 25 students bought tickets online how much would they save circus tickets cost $8 per student if bought at the gate?The online price is $5 each.What is the

Plz help me (All my points if correct)

Northside manufacturing fire evacuation

In a triangle ΔABC, the median AM is extended beyond point M to point N so that MN = AM. Find the distances NB and NC, if AB = c, and AC = b.

In which environment would the shelorganism most likely be preserved as a fossil? on the top of a hill on the banks of a river that no longer flows on a sandy b

Why did Frederic Henry perspective/attitude toward war change in "A Farwell to arms by Hemingway"?

Sequence number fill in the blanks: 2, ?, ?, ?, ?, 21