A2 Chem long question keywords

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Question 1.
How many times has the rate increased with respect to H2? How many times in each experiment with respect to NO? Therefore what are the orders of each? What rate equation could you write? How do you apply the data to calculate the rate constant(units)
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Question 2.
How do you calculate the molar mass? What is the molecular formula? Therefore what is a possibly displayed formula?
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Question 3.
How many moles of each acid is produced? How many protons are produced subsequently? Therefore which acid is stronger? How do the acids react with magnesium (equation) and therefore why is the same volume of gas produced and at a different rate?
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Question 4.
What is a buffer solution? Are the solutions acidic, basic or neutral? Do they have sufficient protons to just react or to counteract a pH change?
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How do you calculate the molar mass? What is the molecular formula? Therefore what is a possibly displayed formula?

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