Top answers

What is a control in an experiment?

A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable. This increases the reliability of the results, often through a comparis...
AP
18485 Views

What is meant by a reducing agent?

A reducing agent is oxidized. This means that it donates electrons to another substance, thus reducing it. Fe2+ to Fe3+ represents oxidation. Fe2+ could be a reducing agent.
JG
Answered by Jools G. • Chemistry tutor
4364 Views

A student has loaded a spring beyond its limit of proportionality. What does this mean?

The limit of proportionality is the is the point beyond which Hooke's law is no longer true when stretching a material.
AP
4898 Views

Explore Shakespeare's representation of love in "A Midsummer Night's Dream."

A whole range of character relationships and moments from the play able to be discussed here. One method of streamlining a discussion would be to dedicate one or two paragraphs to the more 'negative' moments...
KC
Answered by Kate C. • English tutor
2401 Views

A shop sells only Apples, Bananas and Mangos. The ratio of Apples to Bananas is 5:11. The next shopper will choose one piece of fruit at random. The probability that they buy a Mango is 0.2. What is the probability that they buy an Apple?

We have the probability of choosing a Mango is 0.2 so the probability of choosing an Apple or Banana is 1-0.2=0.8.Next we use the ratio 5:11 to see that for every (5+11)=16 Apples or Bananas, 5 will be Apple...
GM
Answered by Gregor M. • Maths tutor
4355 Views