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January 2023 Chemistry Regents Questions 11-20 Multiple Choice Test

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January 2023 Chemistry Regents Questions 11-20

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.

Which statement describes the changes in bonding and energy that occur when a molecule of iodine, I2, forms two separate atoms of iodine?

The degree of polarity in the bond between a hydrogen atom and an oxygen atom in a molecule of water can be assessed using the difference in

Which substance can not be broken down by a chemical change?

Which sample of matter is a mixture?

Which term is used to express the concentration of an aqueous solution?

The particles in which sample have the lowest average kinetic energy?

Which process represents a chemical change

Which equation represents a physical equilibrium?

Systems in nature tend to undergo changes toward

Which formula represents a hydrocarbon?

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