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

why do you think we cannot use a common fuel like diesel or gasoline for space travel ?
Can somebody please help? It don't get it
What was a challenge for President Truman's political agenda in 1950?
Please help I am losing my brain cells. (No hate please)
How did the Great Depression affect the Japanese?
1.2.10 Snowflakes CodeHS Does anyone have the code for this? Thank you!
andy bought a cellphone for $120. After six months, he sold the cell phone for $78. What percent did he decrease the price of the cellphone?​
If f(x) = 3x + 2, what is f(5)?
A biologist studying the relationship between tilapia and catfish in a pond finds that the ratio of tilapia to catfish is 6:20. If the pond has 30 catfish, how
When Tallulah runs the 400 meter dash, her finishing times are normally distributed with a mean of 79 seconds and a standard deviation of 0.5 seconds. Using the