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Which of the following compounds reacts with water to give nitric acid?
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What can you say about the volume V occupied by 1 mole of ideal gas at 1 atm and 25 °C?
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Select the electronic configuration of Rb+.
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Balance the following reaction and select the stoichiometric coefficients of the products in the right sequence.
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Calculate the van’t Hoff factor of a 3 M solution of ammonium chloride.
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Select the correct definition of a mole of sodium.
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What is the average molar mass of a gas mixture consisting of 60% by volume of gaseous oxygen and 40% by volume of gaseous hydrogen?
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Which of the following molecules is polar?
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A reactor contains oxygen, nitrogen and argon. How does the partial pressure of oxygen inside the reactor vary if 1 liter of argon is removed?
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In isobaric conditions, the fraction between temperature and volume of a given quantity of ideal gas ...
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