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January 2023 Chemistry Regents Questions 41-50 Multiple Choice Test

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January 2023 Chemistry Regents Questions 41-50

Use your knowledge of Chemistry to answer all questions in the data set. You will need your Chemistry reference tables and a calculator to answer some of the questions. Good Luck.

NOTE: If the question contains an image, clicking on it will enlarge it for easier viewing. If there is a "More Info" link after the question, clicking it will display additional content related to the question.

What is the vapor pressure of propanone at 45°C?

Based on Table G, what is the mass of KCl that must be dissolved in 200. grams of H2O at 10.°C to make a saturated solution?

Based on Table I, which chemical equation represents a reaction with a heat of reaction that indicates a net release of energy?

The greatest increase in entropy occurs when a 1.00-gram sample of water changes from

Which particle diagram represents one substance, only?

Based on Table J, atoms of which metal will lose electrons to Ca2+ ions?

Which aqueous solution is the best conductor of an electrical current?

This equation represents

Which formula represents 2-butene?

Which formula represents an isomer of the compound?

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