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

Why do we say chloroplasts look like green footballs even though a lot of the time they look like perfect green spheres?

You are given a sample containing an unknown macromolecule. You have the ability to look for the elements within the macromolecule so that you can identify it.

Similar ? 50 60 50 60/ 36 36 60 36 srry no models cuz i dont no how to put them please try without them

Geneticists can transfer a gene from a DNA of one organism into another through a process called ...............................................A) Natural selec

A unicellular protist that carries out the process of photosynthesis would be classified as a... 1) producer 2)saprophyte 3) predator of green algae 4) decomp

Is this a Right Triangle 9 m, 15 m, 17 m Yes or No?

1. The text explores many different aspects of the identities of members of the "Lost Generation:" political, social, ideological, professional, and more. In th

what does drill mean ?

Estimate the sum to the nearest whole number. Then perform the calculation. 8.575 + 12.625 + 8.4 + 70.4

Contrast Lahore Resolution with Objective Resolution in the context of its aims, development and achievements