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

I don't understand this math. 2y^2-5+1+2y^2-6y^2-3-4y
Given that 3 x − 8 y = 39 Find y when x = 3
a. Describe the relationship between the cell cycle and mitosis and the overall goals of each process.
Microwave ovens emit microwave energy with a wavelength of .129 m. What is the energy of exactly one photon of this microwave radiation?​
Find the equation of the line shown. у. 10 9 8 7 6 5 4 3 2 1 o Х 1 2 3 4 5 6 7 8 9 10
need help with my homework plz
can someone at least help me with this math problem that i'm getting frustrated with. 2y^3-4x^2-4-1+3x^2-3y^3-y^3
Harry is building a pond for his local park. He wants to put a border made of pebbles around the pond. The border will be 10 cm wide and is shown on the diagram
How did each of the European nations of Spain, Portugal, France, the Dutch-Netherlands, Sweden, and England uniquely interact with the “New World” (North Americ
Does math we learn in highschool even matter in real life? Like algebra, calculus, geometry......