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Explain the collision theory.

Collision theory states that for a reaction to occur, particles must collide with sufficient energy, sometimes in specific orientation. The minimum amount of energy needed for a reaction to occur is called t...
YC
Answered by Young C. • Chemistry tutor
8085 Views

Butane, C4H10 is burned completely in excess oxygen, write the balanced chemical formula for the reaction, name the products and type of reaction.

We need to think about the number of atoms of each element in the reactants and ensure these are the same in the products. This is the basic UNBALANCED equation. C 4 H 10 + O 2 ----> CO 2 + H 2 O So we ha...
CJ
Answered by Callum J. • Chemistry tutor
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describe the electrostatic force between water molecules

a type of wander waals force called hydrogen bonding due to the slightly positive hydrogens and slightly negative oxygen. this occurs because of the uneven attraction for electrons between the oxygen and hyd...
MS
Answered by Murray S. • Chemistry tutor
3094 Views

How does fractional distillation separate different hydrocarbons in crude oil?

Crude oil is a mixture of different hydrocarbons, which all have different lengths and must be separated by length into different useful 'fractions'. Fractional distillation achieves this by using the fact t...
SJ
Answered by Samuel J. • Chemistry tutor
17483 Views

What is a mole and why do we use it? (chemistry)

The mole is a concept that you'll see everywhere in chemistry, from GCSE through A level. Although this is the case, it can be very easy to lose sight of what it actually is and why we use it, as your teache...
CB
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