A student adds 3 g of magnesium ribbon to 50 cm³ of 1 M HCl. The volume of hydrogen gas is recorded every 10 seconds. (a) Sketch a graph of gas volume vs. time. (b) Explain why the rate decreases after 40 seconds. (c) How would using 2 M HCl affect the initial rate? Explain.
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Most question bank components provided by Aristo come with detailed solutions, including chemical equations, calculations, and marking schemes, allowing for self-assessment.
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Looking for the perfect way to master HKDSE Chemistry? The ( .zip file) is a game-changer for both teachers and students. A student adds 3 g of magnesium ribbon to 50 cm³ of 1 M HCl
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Organic chemistry fundamentals.
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The resources within this bank are designed for students preparing for the Hong Kong Diploma of Secondary Education (HKDSE) and generally include: Structured Questions
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