Determine the specific heat, Chemistry

Assignment Help:

Q. Determine the specific heat and claculate the total heat transfer?

Ans. If a mug full of coffee has about 350 g of liquid inside, how much heat is lost as it cools from 87oC to 25oC?  Assume that coffee is made completely of water, which has a specific heat of 4.18 J/goC.  

1658_Determine the specific heat.png

rounding to 2 significant digits we have

369_Determine the specific heat1.gif

So about 91 kJ of heat were lost as the coffee cooled down.


Related Discussions:- Determine the specific heat

Avart sarni, Spurt tricks to learn avart sarni

Spurt tricks to learn avart sarni

Define the phase rule and phase diagrams, Define The Phase Rule and Phase D...

Define The Phase Rule and Phase Diagrams? We encountered the Gibbs phase rule and phase diagrams in connection with single-substance systems. The present chapter derives the fu

Hardness of water, Why does calcium sulphate form scales in high pressure b...

Why does calcium sulphate form scales in high pressure boilers

Mole concept, The difference in the mass of 100 moles of sodium atoms and s...

The difference in the mass of 100 moles of sodium atoms and sodium ions is 5.48002grams .compute the mass of an electron

Lab, need help answering questions for the lab

need help answering questions for the lab

why do soaps not work under hard water , The Ca 2+ and Mg 2+ ions in har...

The Ca 2+ and Mg 2+ ions in hard water form scum with soap. Therefore they don''t form lather and therefore don''t clean the dirt.

What is the main obstacle in using co2 as a reactant, From the point of vie...

From the point of view of "green chemistry" - why should reactions be carried out in CO 2 instead of using carbon monoxide or phosgene (2 reasons)? Apart from the compression of c

Find the amount of recycle per hour, Acetic acid (HAc) is generated by the ...

Acetic acid (HAc) is generated by the addition of 10% excess sulfuric acid to calcium acetate (Ca(Ac) 2 ) (stream 1 compared to stream 3).  The flow diagram is shown below.

Chemical equation of the peroxodisulfate ion, Chemical Kinetics of the Pero...

Chemical Kinetics of the Peroxodisulfate Ion The peroxodisulfate  ion is one of the strongest oxidants that are  called, although the oxidation reaction is relatively slow.

Procedure regarding purchase of laboratory related items, INTRODUCTION : I...

INTRODUCTION : In this exercise you will learn various steps and procedures adopted while purchasing lab-related items. This exercise will acquaint you with practices of preparing

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd