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August 2017 Chemistry Regents Questions 21-30 Multiple Choice Test

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August 2017 Chemistry Regents Questions 21-30

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.

At STP, a 12.0-liter sample of CH4(g) has the same total number of molecules as

At standard pressure, during which physical change does the potential energy decrease?

Which equation represents a chemical equilibrium?

The amount of randomness of the atoms in a system is an indication of the

When a sample of Ca(s) loses 1 mole of electrons in a reaction with a sample of O2(g), the oxygen

Which reaction occurs at the anode of an electrochemical cell?

Which substance is an electrolyte?

In which process does a heavy nucleus split into two lighter nuclei?

Which process converts mass into energy?

Which radioisotope is used to determine the age of once-living organisms?

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