Calculate heat energy required, Chemistry

Assignment Help:

Calculate how much heat energy is required to raise the temperature of a cube of copper of side 2cm. from 300 to 320k. given: density=8933kg/m cube , atomic weight=63.55, cp=24j/k/mole


Related Discussions:- Calculate heat energy required

Petrochemicals - characteristics of hydrocarbons, Petrochemicals - Characte...

Petrochemicals - Characteristics of Hydrocarbons All such types of chemicals that are derived from petroleum or natural gas known as petrochemicals. Some chemicals that are fou

Determine electron affinity, Q. How to Determine Electron Affinity? An...

Q. How to Determine Electron Affinity? Ans. Electron affinity is the measure of an atom's tendency to form a negative ion. Electron affinity can be measured by the amou

Stoichiometry, how many mole ratios can be obtained from the following equa...

how many mole ratios can be obtained from the following equation? Na2S+Cd(NO3)2-2NaNo3+CdS

Ionization energy of group, Ionization energy of group: Why does Ioniz...

Ionization energy of group: Why does Ionization energy of group IIA elements decrease from Be to Ra?  A. As the atomic size increases from Be to Ra, the attraction between

Determine atomic number and neutrons of an element, An element have atomic ...

An element have atomic weight 40 and it's electronic configuration is 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 . Then its atomic number and number of neutrons will be: (1) 18 and 22

Nucleophilic addition reactions, Nucleophilic addition reactions: While...

Nucleophilic addition reactions: While the addition reaction takes place on account of the initial attack of nucleophile, the reaction is known as a nucleophilic addition react

Donor and acceptor properties, Most polar solvents have Lewis base or donor...

Most polar solvents have Lewis base or donor properties resulting from lone-pair electrons. Good donor solvents inbuilt water, pyridine and ammonia, and are efficient at solvating

A simple set of diagrams to demonstrate dna replicat, ..a simple set of dia...

..a simple set of diagrams to demonstrate dna replication at the biochemical level

Volatile liquid, volatile liquid is placed in a open container for 15 minut...

volatile liquid is placed in a open container for 15 minutes should you expect its mas to

Anna

3/29/2013 3:56:15 AM

Heat energy required = mcT
mass=d.v=8933 . (.02)^3 = .0712 kg = 71.2 gm
mo of moles =  71.2 / 63.55 = 1.12 moles
c=24 j/k-mole.
T=20
H= (1.12) . 24 . 20
  =537.6 Joules (ANS)

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