
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Transcribed Image Text:The great French chemist Antoine Lavoisier discovered the Law of Conservation of Mass in part by doing a famous experiment in 1775. In this experiment
Lavoisier found that mercury(II) oxide, when heated, decomposed into liquid mercury and an invisible and previously unknown substance: oxygen gas.
1. Write a balanced chemical equation, including physical state symbols, for the
decomposition of solid mercury(II) oxide (HgO) into liquid mercury and gaseous
dioxygen.
2. Suppose 71.0 mL of dioxygen gas are produced by this reaction, at a temperature
of 50.0 °C and pressure of exactly 1 atm. Calculate the mass of mercury(II) oxide
that must have reacted. Be sure your answer has the correct number of significant
digits.
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