Top answers

How do you increase the rate of a reaction?

There are multiple ways of increasing the rate of a reaction, but overall, increasing the number of particles successful collisions will increase the rate of reaction. This can be done by increasing the temp...
ZJ
Answered by Zoe J. • Chemistry tutor
3966 Views

how do emulsifier molecules able to produce an emulsion that is a stable mixture containing vegetable oil and water?

the emulsifier molecule has a hydrophilic "head" and a hydrophobic "tail". the head can dissolve in water and the tail can bind with the oil molecules which forms a stable suspension of o...
MC
Answered by Monty C. • Chemistry tutor
5241 Views

which part of the electromagnetic spectrum provides most of the energy to heat the water in a solar thermal power station?, how does this heated water allow electricity to be generated?

a)infrared b)the water boils causing it to turn to steam which passes through a turbine, turning an electrical generator which produces a current.
MC
Answered by Monty C. • Physics tutor
13233 Views

Describe how different environmental factors affect the direction of growth of roots and the direction of growth of shoots.

environmental factors such as gravity and light enable plants to grow in the correct direction, in the case of shoots, they exhibit positive phototropism, growing towards a light source, and in the case of r...
MC
Answered by Monty C. • Biology tutor
7888 Views

John and simon share £80 in the ratio 5:3 in that order, how much do they each receive?

5+3=8 80/8= 10 therefore one part = 10 john receives 5 parts, simon receives 3 john=5x10=50 simon=3x10=30
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Answered by Monty C. • Maths tutor
9272 Views