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Alkenes are a family of hydrocarbons (compounds made up of only hydrogen and carbon atoms) that all share the same chemical formula, similar chemical properties (due to same functional group) and trends i...
To work out how many litres of white and blue paint is needed, use the ratio 3:2. To find the specifc ratio for 18 litres, of paint: 2+3=5, 18/5=3.6 so (3:2)3.6 becomes 10.8:7.2 (check 10.8+7.2=18). S...
Jane's strong character is best seen in the context of her gender as she shows traits that trangress and push the boundaries of those expected of Victorian women. She is fiercely independent and she is fe...
An increase in temperature will increse the rate of a chemical reaction, and a decrease in temperature will decrese the rate. This is because the hotter the reactant particles are, the more kinetic energy...
in this speaking task, the student is usually expected to talk for about 5 minutes in a coversation with the teacher. it is important to use some key words and speech acts for the task. you have some time...
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