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CHEM1011-CHEM1031-CHEM1051-Chemistry 1A (T1 2025)
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The partial pressure of O2 in the atmosphere at sea level is 21.3 kPa. What is the partial pressure of O2 on the top of a mountain, where the atmospheric pressure is 62.7 kPa?Assume the mole fraction of O2 remains constant.
[Atmospheric pressure at sea level is 101.3 kPa.]
In this experiment you will investigate the solubility of iodine in which solvents? Select all solvents you will use for that part of the experiment, however do not select any other solvents - this will result in a reduced mark.
Large dispersion forces are associated with:
Which of the following molecules are polar? Select only the polar molecules, selecting others will result in a reduced mark.
Which of the following substances has the largest dispersion forces?
In the simulation of vapour pressure measurements, what device is used to measure the vapour pressure?
In this experiment you will investigate the solubility of copper sulfate in which solvents? Select all solvents you will use for that part of the experiment, however do not select any other solvents - this will result in a reduced mark.
Which word is used to describe the solution lying above a precipitate or solid?
What is 'salting out'?
Which of the following types of substance will usually be soluble in water? Select only the correct answers, selecting others will result in a reduced mark.