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name the type of bonding in a molecule of water.

covalent
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Answered by Charlie N. • Chemistry tutor
3547 Views

What is homeostasis? Describe using an example.

Homeostasis can simply be described as the maintenance of a constant internal environment. Human bodies must get rid of accumulating toxic substances which can harm the body. Things like sugar concentration ...
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Answered by Tasneem S. • Biology tutor
5146 Views

Sam uses 140g of flour to make 12 cakes. How much flour will Sam need to make 21 cakes?

140 / 12 = 11.666^. 11.66^. * 21 = 245
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Answered by Charlie N. • Maths tutor
4024 Views

Question: What proportion of the clock is the area covered when the time is 12:10? (Here the question should indicate the time stated and shade in the proportion of the clock to be computed.)

The key to answering this question is for the student to realise that even though the area to be computed is a difficlut shape (an arc), the clock consists of 5 more arcs of the same shape. Once the student ...
AV
Answered by Annita V. • Maths tutor
4082 Views

Work out the value of 2a^2 + b^3 when a = 5 and b = –3

To work out the values you need to sub in a and b into the equation, giving you: 2(5) 2 + (-3) 3 From this we use the rules of BODMAS to first complete the orders and obtain: 2*25 + (-27). Again using BODMAS...
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Answered by Kyle M. • Maths tutor
5961 Views