ydtbally7prettyp ydtbally7prettyp

23-05-2016
Chemistry

contestada

The temperature of a sample of water increases from 20.9°C to 45.5°C as it absorbs 5637 J of heat. What is the mass of the sample?

Respuesta :

Willchemistry Willchemistry

23-05-2016

Q = 5637 J

C =4.814 J/KgºC

Temperature : 45.5ºC - 20.9º C = 24.6ºC

Q = m x C x T

5637 = m x 4.814 x 24.6

5637 = m x 118.4244

m = 5637 / 118.4244

m = 47.60 g

hope this helps!

Answer Link

Otras preguntas

Each tire on your bicycle has a diameter of 26 inches.About how far will you travel when the tires make on complete revolution?

if f(n) =(n-1)^2+3n which statement is true? 1) f(3) = -2 2) f(-2) = 3 3) f(-2) = -15 4) f(-15) = -2

Who is Yeshua and what does His name mean?

A chemist weighed out 5.14 g of a mixture containing unknown amounts of bao (s) and cao (s) and placed the sample in a 1.50-l flask containing co2 (g) at 30.0 o

Match each rock with the environment in which it most likely formed. coal marine shale cred beds dmarine sandstone

An object starts from rest and undergoes uniform acceleration. during the first second it travels 5.0 meters. how far does it travel during the third second

Research indicates that effective supervisors behave in ways that lead to superior employee performance. unfortunately, often supervisors are better at communic

Read this paragraph from a student's essay. Edgar Poe was born January 19, 1809, to traveling actors in Boston. By the time Poe was a *toddler*, his father ha

3) The Founding Fathers gained support for the Constitution by promising that A) all free males would be able to vote. B) the President would be from the S

See what you already know about aerobic exercise.which statement do you think is true? - Aerobic exercise does not require warm-up and a cool-down -Aerobic exer