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Evaluate the role of technology in prolonging the First World War (IB History Exam Question)

The Examiner is looking for a nuanced but strong answer. Technology's rapid development during WW1 gave rise to the belief that it would cut the war short. However, each technological innovation was quickly ...
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Answered by Tim B. • History tutor
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Define the an acid/base according to the Bronsted-Lowry and Lewis theories. Support with equation to illustrate an acid-base reaction for each theory, identifying them clearly. Also state the bond type formed in an Lewis acid-base reaction.

Bronsted-Lowry theory: Acid is a proton donor (H + ) and base is a proton acceptor, i.e NH 3 (aq) + H 2 O (l) ⇌ NH 4 + (aq) + OH - (aq) (In the left hand side, the H 2 O is donating a proton thus is the acid...
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3x + x = 12. Find x

Due to the fact that the two 'x' in the question do not have a power (Are not squared or cubed) they can be added. Thus:4x = 12Then we want to find 'x' so we isolate it in the equation. To do this, we need t...
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Answered by Tanika D. • Maths tutor
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3/4 +5/3 = ?

When either adding or subtracting fractions from one another, the denominators have to be the same. Find the lowest common multiple;3*4 = 12then because you multiplied 3 and 4, you also have to multiply the ...
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Answered by Tanika D. • Maths tutor
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How would I answer the long essay question?

There are many ways, but what examiners are looking for is factual knowledge. Have at least 2 case studies within the essay question; one to support your point and the other to show that there is another way...
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Answered by Tanika D. • Geography tutor
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