- What are the similarities between neon, oxygen, and nitrogen?

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Why do we need to use a thick fluid to investigate drag force? rather than simply using air.? How many miles is 7.84 km? Classify the reaction as exothermic or endothermic: decomposition of potassium chlorate: 2KClO3(s)→2KCl(s)+3O2(g)+77.6kJ? What is the derivative of the sqrt of 2x? The book says the answer is the sqrt of 2/2•sqrt x. But I keep getting 1/sqrt(2x).? What is the percent yield of iron if the reaction of 66.3 g of iron(III) oxide produces 15.9 g of iron?