tangvenus1168 tangvenus1168
  • 03-04-2022
  • Chemistry
contestada

1. How many joules of heat are necessary to melt 500 g of ice at its freezing point?

Please show work!

Respuesta :

tristen1234 tristen1234
  • 03-04-2022

Answer:

40 kcal

Explanation:

Heat required to melt

1 g

of ice at

0°C

is approximately

80 cal

. This is also called latent heat of fusion of ice.

For

500 g

of ice

Q

=

500

g

×

80

cal

g

=

40000 cal = 40 kcal

Answer Link

Otras preguntas

A researcher wants to study the amount of protein in pet food. Which one of the following is most likely to give theresearcher more accurate results?-take a sam
Write the inequality shown by the shaded region in the graph with the boundary line y = 1/3x+1
can someone please fill in this box please I’m so behind ☹️
Can you help me with this problem 5^3 x 5^1 then it says select one Add, Subtract, Multiply
Pamela's mother purchased five boxes of candy bars. If each box contains 20 bars, how many candy bars does Pamela's mother have? Explain your answer.
Solve for y:2x – 3y = 5
Find the number of subsets when a die is rolled.A.48B.36C.216D.64
AC, DF, and GI are parallel. Use the figure to complete the proportion.
You roll a six-sided die one time.What is the probability of rolling a 9? Write your answer as a fraction
Hello could you please help me with numbers 33 and 36