sandriyathomas2062 sandriyathomas2062
  • 03-07-2019
  • Physics
contestada

Water at 0°C loses 1140 calories worth of heat. How much of the water freezes? [Lf= 79.7 cal/g] a) 16.8 g b) 81.5 g c) 0.002 g d) 14.3 g e) 51.0 g

Respuesta :

Vespertilio Vespertilio
  • 06-07-2019

Answer:

option d)

Explanation:

The amount of heat required to convert the 1 g of ice at 0 degree C to 1 g water at 0 degree C is called latent heta of fusion.

H = m Lf

where,, h is the heat required, m is the mass and Lf is the latent heat of fusion

1140 = m x 79.7

m = 14.3 g

Answer Link

Otras preguntas

500ml of milk for 60p 4 litres for £3.20 Which bottle is better value for money?
4. Draw Inferences What improvements to computers do you think make it possible for them to be used in fields such as agriculture and forestry?
I don't know the answer ccuh
Select all that apply. What is Shelley's attitude in the last stanza of "Song to the Men of England"? hopeless optimistic sarcastic hopeful trying to jar the me
What is the center and radius of the circle described by the equation (x + 4)² + (y - 6)² = 25?
What is the formula for finding the slope of a line? Circle your choice.
Use the diagram to write an equation that describes the position and the radius of ⊙P. (x – 4)2 + (y + 2)2 = 16 (x + 4)2 + (y – 2)2 = 16 (x + 4)2 + (y – 2)2 = 4
What were the causes and effects of the end of the cold war?.
ASAPPlease help!!!!nationwide furniture stores sells selectional sofa set but contracts with local delivery companies to provide furniture delivery for customer
If Earth's gravity were much less powerful, our atmosphere would be similar to the moon's Saturn's Jupiter's Venus'