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Alcohol A has the chemical formula CH3CH(OH)CH2CH(CH3)CH3 . Give the IUPAC name for alcohol A.

Firstly I would get the student to draw out the structure of the alcohol and check whether they were able to place the alcohol groups and side chains in the right place on the chain. Then I take would them t...
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Answered by Emma B. • Chemistry tutor
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differentiate- X^3- 2X^2+3

3-1=2 2X2 = 4 2-1= 1 =3x^2- 4x
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Answered by Radhika T. • Maths tutor
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name 4 ways the lung is adapted for gaseous exchange

thin diffusion distance- 1 cell thick 2. large surface area- alveoli 3. large concentration gradient- lots of blood vessels 4. moist
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Answered by Radhika T. • Biology tutor
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Explain the concept of 'chemiosmosis' in oxidative phosphorylation

The process of chemiosmosis essentially addresses the issue of storing chemical energy into a specific bond. The conversion from chemical energy in the coenzymes, such as NADH and FADH 2 to ATP cannot occur ...
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Answered by Narut P. • Biology tutor
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What is the difference between global and local variables?

The main difference between global and local variables is where they can be used in the program. Using a variable globally means that it WILL suffer changes everytime its value changes, whether this happens ...
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Answered by David P. • Javascript tutor
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