A 100g sample of water at 25°C is heated over a Bunsen burner until it nearly reaches boiling, at 99°C. How much heat (in joules) was applied to the beaker?

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

What is the molar mass of a gas that has density of 2.054 g/l

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