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Chemistry
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Calculate the mass in grams of Iron (III) Chloride in a solution of 500 cm^3 which has a concentration of 0.200 mol/dm^3

First work out the moles of Iron (III) Chloride using the equation concentration = moles/volume, rearranging the eqaution in order to calculate moles gives moles = concentration x volume. Check the units!...

SS
Answered by Simon S. Chemistry tutor
10583 Views

Describe the difference between bonding in ionic structures and covalent molecules

Ionic structures form giant lattices with many electrostatic attractions between oppositely charged ions. Covalent molecules have strong covalent bonds involving a shared pair of electrons.

CD
Answered by Cam D. Chemistry tutor
2179 Views

Describe the effect in terms of particles and collisions the effect of increasing temperature on rate of reaction?

The rate of reaction will increase. Increased temperature causes the particles to move faster, increasing the number of collisions between the particles. More particles have energy exceeding the activatio...

LR
Answered by Luke R. Chemistry tutor
2861 Views

Why do we use the n+1 rule in proton NMR?

The n+1 rule is used to describe the relationship between peak splitting and the number of protons a particular proton is coupled to - that is, how many protons are attached to the carbons next to the car...

DR
Answered by Daisy R. Chemistry tutor
9187 Views

Why does a catalyst speed up a chemical reaction?

A catalyst lowers the activation energy of a reaction. It does this by providing an alternative, lower energy pathway for the reaction. An example of this - a catalyst may form a complex with the reactant...

JL
Answered by Jack L. Chemistry tutor
6561 Views

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