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Explain the polarity of both CH3CH2Br and CBr3CBr3.

Both molecules have a C-Br bond, which will be polar due to their difference in electronegativities (bromine is more electronegative than carbon). In CBr3CBr3 the dipoles cancel so the overall molecule is...

DD
Answered by David D. Chemistry tutor
20605 Views

Show that tan(x) + cot(x) = 2cosec(2x)

For this we have to use trignometric identities, e.g Tan(x)= sin(x)/cos(x), sin2(x) + cos2(x) = 1, 1/sin(x) = cosec(x)
ta...

MB
Answered by Moin B. Maths tutor
11479 Views

Describe how standing waves are formed and explain why nodes and antinodes are formed.

Standing waves are produced from the superposition of 2 progressive waves with the same wavelength, travelling in opposite directions. The pattern consists of nodes and antinodes. Nodes are formed from d...

MB
Answered by Moin B. Physics tutor
8796 Views

State 2 features of a system that is in dynamic equilibrium.

In dynamic equilibrium the rate of the foward reaction is equal to the rate of backward reaction. Also the concentration of the products and reactants stay constant.

MB
Answered by Moin B. Chemistry tutor
11394 Views

Evaluate the methods used by the writers of you two texts to explore different kinds of love

Brainstorm at least 3 different kinds of love, an example could be maternal or unrequited love. Take at least 3 quotes from each of your texts for each type of love, make sure you choose quotes which are ...

AM
2135 Views

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