bria2nacrysbeccabel bria2nacrysbeccabel

10-06-2016
Chemistry

contestada

How many calories are absorbed by a sample water with a mass of 500 grams as it changes from 50 degrees C to 65 degrees C?

Respuesta :

10-06-2016

H = mCpT

H = (500 grams water)( 4.18 J/ g - degrees C) (65 - 50)

H =31,350 J

since 1 cal = 4184 joules

31,350 Joules (1 calorie/ 4184 joules) = 7.49 calories

Answer Link

Otras preguntas

aaron tracks the time it takes him to mow lawns by writing coordinate points relating x, the time in hours it takes to mow a lawn, and y, the size of the lawn i

why did the united states abandon its position of strict neutrality during the late-1930s?

What is true about scientific "law"? all experiments appear to "prove" the theory all predicted observations are verified the law is repeatable no exception

When searching for the connotations of the words in “The Caged Bird,” the reader should study

What is the seventh terms of (x + 4)8?

What will be the annual salary for a mechanic who works 40 hours per week for 52 a year and make 25.21 per hour

in part two of trifles, which of the following images most reinforces the theme of loneliness that exists throughout the play? the hollow in which the wright ho

What does the line x=-7 look like

what did Plato critique in his book The Repulic?

What conditions are typical of the soil the deeper we dig into it