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August 2018 Chemistry Regents Questions 41-50 Multiple Choice Test

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August 2018 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 amount of heat, in joules, required to increase the temperature of a 49.5-gram sample of water from 22°C to 66°C?

A sample of a gas in a rigid cylinder with a movable piston has a volume of 11.2 liters at STP. What is the volume of this gas at 202.6 kPa and 300. K?

Which diagram represents the most likely orientation of X2 and Z2 when the molecules collide with proper energy, producing an activated complex?

What is the chemical name for the compound CH3CH2CH2CH3?

In a laboratory activity, the density of a sample of vanadium is determined to be 6.9 g/cm3 at room temperature. What is the percent error for the determined value?

Which half-reaction equation represents the oxidation in the reaction?

Which metal reacts spontaneously with NiCl2(aq)?

Which solution is the best conductor of an electric current?

Compared to a 1.0-liter aqueous solution with a pH of 7.0, a 1.0-liter aqueous solution with a pH of 5.0 contains

Which type of reaction is represented by this equation?

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