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Chemistry
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Why do metals conduct electricity?

To answer this question we need to think about the bonding that occurs within metals. Metallic elements form strong lattices due to the metallic bonding. This consists of a lattice of positive metal atoms...

AM
Answered by Alex M. Chemistry tutor
16482 Views

Balance the chemical equation: AgI + Na2S → Ag2S + NaI

2 AgI + 1 Na2S → 1 Ag2S + 2 NaI Both sides of the equation need to have the same number of each element. We need to make sure that the amount of one element we have on one side of th...

MS
Answered by Mohamed S. Chemistry tutor
25297 Views

A student reacts 50.0cm^3 of 2.00mol dm^-3 HCl with 25.0cm^3 NaOH. What is the concentration of NaOH?

n(HCl) = 0.05 dm^3 x 2 mol dm^-3 = 0.1 mol 

Ratio HCl : NaOH = 1 : 1 = 0.1 mol : 0.1 mol 

c(NaOH) = 0.1 mol / 0.025 dm^3 = 0.4 mol dm^-3

SW
Answered by Sam W. Chemistry tutor
3539 Views

Explain why cyclohexene will react with bromine gas but benzene will not

Cyclohexene contains a double bond, which has a greater electron density than the system of pi-bonds present in a benzene molecule. This means that a dipole can be induced in the bromine molecule due to t...

SR
10620 Views

Draw the synthesis reactions, with relevant conditions and reagents, for the synthesis of ethanamine from ethane.

1st step; Free Radical Subsitituition Start using Ethane UV light Chlorine/Bromine/Flourine used To prevent further subsitituiton, add and excess of Ethane.

2nd step; Nucleophilic Substutition Reac...

HO
Answered by Habibat O. Chemistry tutor
2142 Views

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