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CHEM 1011 - Week 4 Questions With Complete Solutions

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NON-IDEAL GASES & RAOULTS LAW The ideal gas laws are made up of 2 assumptions. What are they? correct answer: - there is no attractive force between atoms or molecules. - the volume of the gas itself (atoms or molecules) is negligle. What are ideal and real gases? correct answer: - Ideal gases do not have volume and there are no forces between gas molecules. - Real gases do have volume, e.g. halogens Florine, chlorine, bromine, iodine. What is electronegativity? correct answer: a mea...

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CHEM 1011: Week 6: ACIDS & BASES Questions With Complete Solutions

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BUFFERS What is a buffer? correct answer: - a buffer resists change in pH when a small amounts of acid or base are added to it. - any solution that contains equal amounts of a weak acid and its conjugate base will act as a buffer. What is acetic acid? correct answer: ethanoic acid. Gives vinegar its distinctive taste. What is buffer capacity? correct answer: the amount of acid or base that can be added to a buffer solution before a significant change in pH occurs What are some ways...

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