Search our library of homework questions

Top answers

All subjects

All levels

Solve x^2-5x+6=0

We can factorise into (x-3)(x-2)=0 to get x=3 and x=2 as solutions for this equation.

2895 Views

In the labratory you are given 1.5g of butyl butanoate ester C8H16O2. (i) Draw the functional group of this compound. (ii) What is the emperical formula of the compound. (iii) What is the molar mass of the compound? (iv) How many moles were you given

(i) Ester functional group RCOOR(ii) The emperical formula is the simplest whole number ratio of atoms in a compound therefore C4H8O(iii) The molar mass is C (12 x 8) = 96 H (1 x 18) = 18 O (2 x 16) = 32M...

Answered by Helen H. • Chemistry tutor

2199 Views

Describe what is meant by the term mutualistic symbiotic relationship and provide an example of one.

A mutualistic symbiotic relationship is a relationship between 2 different species where both species benefit. For example, the relationship between a plant and its pollinators is a mutualistic symbiotic ...

Answered by Heather D. • Biology tutor

1487 Views

Simplify the following fraction - Numerator = 2(8-k) + 4(k-1) Denominator = k^2 - 36

The first task is to multiply out the brackets in the numerator. By doing this, we find that the numerator is equivalent to "12 + 2k". We should now simplify the denominator. We can convert it i...

Answered by Matteo L. • Maths tutor

3471 Views

Assess the impact of minimum wage legislation on a developing economy.

An increase of a National Minimum Wage (NMW) increases living standards of the population by increasing their spending power. This, will cause demand for consumer products to increase, causing GDP to incr...

Answered by Rory Q. • Economics tutor

2032 Views