ronjlechlitne ronjlechlitne

11-05-2017
Chemistry

contestada

How much energy is needed to change 44 grams of ice at -8° to steam at 107°?

Respuesta :

BHmohammad BHmohammad

11-05-2017

Q=m(c∆t +heat of fusion + heat of evaporation)

m= 44g
c= 4.186 J/g.C
∆t= 107-(-8) =115 C
heat of fusion= 333.55 J/g
heat of evaporation=2260 J/g

Q=44(4.186*115 + 333.55 + 2260)
Q= 135297.36 J

Answer Link

Otras preguntas

The mortgage was a personal, amortized loan for $91,000, at an interest rate of 3.75%, with monthly payments for a term of 30 years. Find Ahmad's monthly paymen

why should we protect our national properties? Write any 4 points.

can someone help me translate this to french

Please help will mark brainliest.ASAP!!!!!

The base of a triangle is 2cm longer than it's corresponding height. If the area is 52, find the length of the base?

20 points and brainliest if answered correctly

A lightening rod saves us from lightening give reason Can you tell me by looking this book Please fast

list some of the electronic system?

What rock used to be limestone ?

5. Which of the following belongs in this diagram of steps taken to expand the democratic process? a.Equal Rights Amendment b. Voting Rights Act of 1965 c. Civi