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1 Hydrogen exists as two isomers, ortho and para, based on proton nuclear spin. A temperature-dependent equilibrium dictates their ratio, with a 75% ortho isomer makeup at room temperature shifting to ...

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Economist Sharad Kohli views Donald Trump's threat to impose 100% tariffs on Brics nations over de-dollarisation efforts as an economic war on developing countries. Brics countries aim to reduce ...