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React concentrated sulfuric acid with concentrated nitric acid in the below reaction to yield the nitronium ion. HNO 3 + 2H 2 SO 4 --> NO 2 + + 2HSO 4 - + H 3 O +

1. Use quotations sparingly. They must make grammatical sense in the sentence. 2. Make sure to analyse them after using them - otherwise they are worthless. 3. Use them to back up an argument you have alread...

1. Briefly: why the essay question is interesting and important, and/or acknowledge the key focus of the question. 2. How you will structure your essay - the main point of each paragraph.('Firstly, I will di...

You want to avoid a chronological structure - thematic is best. Here is a suggestion of 3 themes: 1. Pre-existing tensions between the US and USSR before the outbreak of the Cold War. (Ideological difference...

Think PEEL for a clear structure! Point - State the main argument of your paragraph in the first sentence of your paragraph. Evidence - Provide some evidence that this is true - a fact or statistic. Explain ...