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Chemistry
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Although carbon dioxide is a linear molecule it is still a greenhouse gas. Explain why that is.

A greenhouse gas is one which absorbs infrared radiation from the Earth and re-radiates it, increasing the surface temperature of the Earth. Normally these molecules are non-symmetrical such as triflur...

LC
Answered by Lorenzo C. Chemistry tutor
8406 Views

Calculate the enthalpy of formation of water.Is the reaction an exothermic or endothermic reaction?

The reaction is as follows:

2H2 + O2 -> 2H2O

This means that for every 2 molecules of Hydrogen gas, one...

SL
Answered by Sarah L. Chemistry tutor
66380 Views

Describe the Structure and Bonding of Benzene

Benzene has the chemical formula C6H6 where each Carbon atom is bonded to two other Carbon atoms and a single Hydrogen atom.  The 4th bond pair of electrons from each Carbon atom is delocalised, creati...

BL
Answered by Ben L. Chemistry tutor
63697 Views

How to choose a pH indicator for a titration?

Although it can seem a unusual question it simply requires to have understood the basis of a titration.

First of all, what is a pH indicator? It is simply an acid-base compound whose acid...

SM
Answered by Sarah M. Chemistry tutor
20080 Views

Explain in general terms what happens to a molecule when it absorbs a photon: (i) in the UV-visible region of the electromagnetic spectrum; (ii) in the microwave region of the electromagnetic spectrum

(i) In general, when a molecule absorbs a UV-visible photon, an electron is promoted from one of the occupied molecular orbitals to an unoccupied molecular orbital at higher energy.

(ii) ...

SC
Answered by Steven C. Chemistry tutor
5108 Views

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