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We need to calculate how many moles of HCl are being titrated. This is the volume in dm3 times the concentration (trick: you can do dimensional analysis if unsure of the formula): number of moles of HCl =...
so we need to know the understanding of BODMAS, hoe to add fractions, how to multiply fractions, how to simplify fractions.Answer:9/7
i) We must differentiate the equation and set it equal to 0 to find stationery points: dy/dx = 3x2 + 6x + 24=0 Note we can take out a factor of 3 x2+ 2x - 8=0 Fact...
A waterfall, labelled A in resource 1, normally forms in the upper valley of rivers where alternating bands of hard and soft rock occur along the river bed. The bands of softer rock are eroded at a faster...
In this answer I would be looking for the correct use of the present tense, connectives and, for stronger students, the use of opinion phrases. I would be looking for use of the present tense in the 'I' f...
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