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57. Which of the safety symbols below could be used to label any strong acid or strong base?
b.
d
А
B.
O
D

What is the standard unit of measure for acceleration?

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

Sulfur dioxide and oxygen react to form sulfur trioxide during one of the key steps in sulfuric acid synthesis. an industrial chemist studying this reaction fills a 25.0l tank with 4.5 mol of sulfur dioxide gas and 4.5 mol of oxygen gas at 30.°c. he then raises the temperature, and when the mixture has come to equilibrium measures the amount of sulfur trioxide gas to be 1.4 mol. calculate the concentration equilibrium constant for the reaction of sulfur dioxide and oxygen at the final temperature of the mixture. round your answer to 2 significant digits.