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What are the differences and similarities between alkanes and alkenes?

Both alkanes and alkenes are hydrocarbons, meaning they are made up of hydrogen and carbon only. However, alkanes are saturated hydrocarbons consisting of single bonds only whereas alkenes are unsaturated hy...
NH
Answered by Nancy H. • Chemistry tutor
49620 Views

Solve (72x^3 - 18x)/(12x^2 - 6x) = 0 for x.

So first you need to recognise that you are able to take 2x out of both the numerator and denominator of the fraction:(72x3 - 18x)/(12x2 - 6x) = 0 ---> (2x (36x 2 - 9))/ (2x (6x - 3)) = 0 , the 2x's cance...
WR
Answered by William R. • Maths tutor
3138 Views

What is the difference between Ser and Estar?

Ser and Estar are two verbs in spanish which both mean 'to be', but they have very different uses and therefore, are not interchangeable.Ser = permanent i.e. used to express an inherent quality or characteri...
NT
Answered by Nikki T. • Spanish tutor
1696 Views

How come we say 'mon amie' instead of 'ma amie'?

Usually, possessive adjectives agree with the noun that comes after them. For example, we would say 'm on frère' for 'my brother', but 'm a soeur' for 'my sister'. However, when a feminine word starts with a...
FD
Answered by Francois d. • French tutor
24676 Views

Would you be able to help me understand the differences between 'Ser' and 'Estar'?

It's best to think of these two verbs as completely separate in Spanish even though they both translate as 'to be'. SER You should keep in your mind that this is for more 'permanent' thingse.g. D escriptions...
AY
2113 Views