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I’m feeling overwhelmed by vocab learning. What’s the best way to go about it?

The best way to learn vocab is little and often. Having a notebook to write down any new words you come across helps you to have everything in one place. Every time you fill a page you could test yourself by...
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Answered by Rhiannon H. • German tutor
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What is the magnitude and direction of the resultant force of 3N horizontal and 5N vertical?

Magnitude: Find the square root of 3^2+5^2=root of 34=5.83N (3sf) Direction: Draw a triangle with 3N at the bottom, 5N going up and the hypotenuse then represents the resultant force.The direction will be th...
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Answered by Rhiannon H. • Maths tutor
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What is a covalent bond?

A covalent bond in an intramolecular bond which occurs when a pair of electrons is shared between two elements, usually two non-metals. The electrons shared are in the outer shell of the atom of each element...
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Answered by Rebecca P. • Chemistry tutor
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How would a reduced level of chlorphyll in a plant cause a stunted growth? Can anything else affect growth?

Chlorophyll is vital for photosynthesis, which is how the plant makes glucose for energy. If there is less photosynthesis, there will be less glucose made and so less energy released for growth. Glucose is n...
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Answered by Rebecca P. • Biology tutor
4543 Views

What is the Biuret test? How do I interpret the results?

The Biuret test is a test for protein, which detects for the presence of protein bonds. In the test, Biuret reagent (sodium hydroxide, hydrated copper (II) suphate and sodium tartrate) is added to the liquid...
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Answered by Rebecca P. • Biology tutor
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