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How do I balance the chemical equation: C2H4 + O2 --> CO2 +H2O

First take a look at the equation and see how many elements there are, in this case we have 3 different elements; Carbon, Hydrogen and Oxygen. To balance the equation start off by balancing the elements in t...
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Answered by Andrei P. • Chemistry tutor
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Outline the Stages of Mitosis

Pre-Mitosis: Interphase: - DNA as uncondensed chromatin - DNA contained within nucleus - Centrosomes etc duplicated - Cell enlarged Stages of Mitosis Prophase: - DNA Supercoils & chromosomes condense - C...
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Answered by Daisy W. • Biology tutor
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How to manually convert a number from decimal into binary?

Decimal and binary are two positional systems which essentially means that we write the number as a sum of digits multiplied by powers of a base . For instance, 142 actually means 10^2 * 1 + 10^1 * 4 + 10^0 ...
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Answered by Brian C. • Computing tutor
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What is the difference between current and voltage?

Current and voltage are closely related properties of a circuit, one is caused by the other. What we refer to as voltage is in reality just a difference in charges, so, a difference in the amount of electron...
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Answered by Brian C. • Physics tutor
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To what extent was the 'Eastern Question' more to do with the European Powers than the Ottoman Empire? (1815 - 1915)

Begin answer with a brief contextualization of the Eastern Question, laying out the European and Ottoman positions of the period, with background factual basis (Crimean war; Treaty of Paris, Egypt, Balkan in...
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Answered by Justin K. • History tutor
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