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Why indentation is important in Python and what is the scope of a global variable?

Normally, in every programming language we should normally use indentation in order to have a nice style and a readable code. But Python programs are structured through indentation, so different code blocks ...
GP
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The ionic product of water, Kw = 2.93 × 10−15 mol dm−6 at 10 °C. Calculate the pH of a 0.0131 mol dm−3 solution of calcium hydroxide at 10 °C Give your answer to two decimal places.

[OH-] = 0.0262 mol dm-3[H+] = (Kw/[OH-]) = 2.93 x 10−15 / 0.0262 (= 1.118 x 10−13) pH = (− log (1.118 x 10−13) = 12.9514 = 12.95
WB
Answered by William B. • Chemistry tutor
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What is the Preceding Direct Object rule?

I distinctly remember my A-Level French teacher repeatedly highlighting mistakes such as the one below in my essays:La fille que j'ai vu à côté du restaurant, elle pleurait.In French when we use a sentence i...
CD
Answered by Conor D. • French tutor
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What is an effective way of learning French?

Learning a foreign language is half about learning the grammar and the verbs, and half about learning some vocabulary. The first part is usually not the easiest or the funniest part but it is essential and o...
LG
Answered by Lucie G. • French tutor
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'Happy endings in the literature of love depend on problems being resolved and characters getting what they deserve' -- In the light of this view, discuss Shakespeare’s The Winter's Tale, in particular reference to the role of Paulina.

The AQA framework of AO3 (‘Demonstrate understanding of the significance and influence of the contexts in which literary texts are written and received.’) is particularly important for this question and coul...
BK
Answered by Bethany K. • English tutor
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