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

Which sentence from the passage contains a spelling error? Why You Should Join a Team When I was in elementary school, my parents told me that I should join a s

please help me with this

Salutary neglect impacted the society of what group?

can you tell me what tosay

which line is parallel to the line whose equation is 4x+3y=7 and also passes through the point (-5,2)?

Which recursive formula can be used to generate the sequence shown, where f(1) = 5 and n > 1? 5,–1, –7, –13, –19, ...

Which events contributed to life evolving on Earth? Check all that apply.

In what way were artists of the Northern Renaissance different from the artists of the Italian Renaissance? A. They primarily painted their works using oil pai

Which of the following has the greatest mass, in grams?1) 1 atom of gold (Au) 2) 1.0 mol mercury (Hg) atoms 3) 2.0 mole of chlorine (Cl) atoms 4) 25

what is one example of non verbal communication in Kennedy's address at rice university