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August 2018 Chemistry Regents Questions 11-20 Multiple Choice Test

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August 2018 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 formula represents an asymmetrical molecule?

Which statement describes the energy changes that occur as bonds are broken and formed during a chemical reaction?

A solid sample of copper is an excellent conductor of electric current. Which type of chemical bonds are in the sample?

Which list includes three forms of energy?

Based on Table S, an atom of which element has the strongest attraction for electrons in a chemical bond?

At which temperature and pressure would a sample of helium behave most like an ideal gas?

A cube of iron at 20.°C is placed in contact with a cube of copper at 60.°C. Which statement describes the initial flow of heat between the cubes?

Which sample at STP has the same number of atoms as 18 liters of Ne(g) at STP?

Compared to H2S, the higher boiling point of H 2O is due to the

In terms of entropy and energy, systems in nature tend to undergo changes toward

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