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Chemistry
A Level

What is the rate of a reaction and how can you determine it experimentally?

The rate of a reaction is the rate at which reagents are used up and product are formed. Reaction rates depend on concentration. A typical rate law is rate=k*[A]m*[B]n. To find the v...

AC
Answered by Antonia C. Chemistry tutor
2062 Views

How does ionisation energy change down a group?

Ionisation energy is the energy required to remove one mole of electrons from gaseous atoms. As you go down the group there are more orbitals so the outer electron which you will remove becomes further fr...

AS
5839 Views

Aminoethane can be prepared by a reduction reaction. Identify a starting compound that can be used to prepare aminoethane by reduction, give the necessary reagent and write an equation for the reaction.

Amines can be prepared by reduction of Amides or Nitriles. To give Aminoethane (CH3CH2NH2) we need an Amine or Nitrile with the same number of carbon atoms (2 in this case...

TN
Answered by Thomas N. Chemistry tutor
6124 Views

Explain the dipoles on the following covalent bonds: Cl-Cl, H-Cl

A dipole is a result of a seperation of charge between two bonded atoms, when one atom has a slight positive charge and the other a slight negative charge. This is a result of the shared pair of electrons...

AC
Answered by Amber C. Chemistry tutor
13371 Views

In what conditions does sodium chloride conduct electricity and why?

Electricity can be defined as a flow or motion of electric charge. If a substance can allow such flow it is said to conduct electricity. Sodium chloride is made of positively charged sodium ions and negat...

PT
Answered by Piotr T. Chemistry tutor
35528 Views

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