Calculate standard state enthalpy of the substance, Chemistry

Assignment Help:

Q. Calculate standard state enthalpy of the substance?

Ans.

1682_Calculate standard state enthalpy of the substance.png

To determine ΔHof for calcium carbonate, calcium and carbon are burned in a calorimeter.

Notice that the reactants are elements in their standard state. We use a fraction of the amount of oxygen because we are interested in calculating the standard enthalpy of formation of one mole of compound.

The energy released in this experiment is 1206.9 kJ/mole.

1838_Calculate standard state enthalpy of the substance1.png

Scientists have done lots of experiments to determine the enthalpies of formation of different substances. You probably have a table with common ones in your textbook.


Related Discussions:- Calculate standard state enthalpy of the substance

Cyclic hydrocarbons - iupac system of nomenclature, Cyclic hydrocarbons - I...

Cyclic hydrocarbons - IUPAC system of nomenclature These compounds consist of carbon chain skeletons that are closed to form rings. The saturated hydrocarbons along with ring o

IInorganic chemistry, Why magnesium does not impart any colour to Bunsen fl...

Why magnesium does not impart any colour to Bunsen flame while calcium does

Peridic table, How acidic character varies in s block elements

How acidic character varies in s block elements

Dienes, assignment of 15 pages on dienes

assignment of 15 pages on dienes

Minerals, Identify any samples that suggest gases were escaping from them a...

Identify any samples that suggest gases were escaping from them as they cooled.

Benzoic acid, benzoic acid from benzene.i can''t see it clearly

benzoic acid from benzene.i can''t see it clearly

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