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A cylindrical beaker has a height of 16 cm and a diameter at its bottom of 10 cm. What is its volume? Give your answer to 2 decimal places.

As the beaker is a cylinder, we know the formula of its volume is (pi x (radius) 2 ) x height. Since the radius = 1/2 diameter and the diameter = 10 cm, the radius = 5 cm. We know the height is 16 cm. So the...
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Answered by Aneesh S. • Maths tutor
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How can I write an essay about a poem I’ve never seen or even heard of before?

How can I write an essay about a poem I’ve never seen or even heard of before??? Sometimes poems can be daunting. But close reading a poem can also be fun, like working out a riddle or finishing a puzzle. He...
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What is respiration and why is it needed?

Respiration is the process of using energy stored in complex organic molecules (such as carbohydrates, fats and proteins) to make ATP . ATP ( Adenosine Tri-Phosphate ) is a molecule and is called the 'univer...
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Answered by Aneesh S. • Biology tutor
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What are covalent bonds?

Covalent bonds are a type of chemical bond formed by a shared pair of electrons between atoms. Covalent bonds tend to occur between non-metal type atoms (metals tend to form ionic bonds which are formed by a...
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Answered by Aneesh S. • Chemistry tutor
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What are optical isomers?

Optical isomerism is a paritcular type of steroeisomerism (stereoisomers are molecule that are made up of atoms joined up in the same order so have the same formula but are arranged differently in space beca...
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Answered by Aneesh S. • Chemistry tutor
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