Ancient Romans built often out of bricks and mortar. A key ingredient in their mortar was quicklime (calcium oxide), which they produced by roasting limestone (calcium carbonate). 1. Write a balanced chemical equation, including physical state symbols, for the O-0 decomposition of solid calcium carbonate (CaCO3) into solid calcium oxide and gaseous carbon dioxide. 2. Suppose 50.0 L of carbon dioxide gas are produced by this reaction, at a temperature of 400.0 °C and pressure of exactly 1 atm. Calculate the mass of calcium carbonate that must have reacted. Round your answer to 3 significant digits.

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Ancient Romans built often out of bricks and mortar. A key ingredient in their mortar was quicklime (calcium oxide), which they produced by
roasting limestone (calcium carbonate).
1. Write a balanced chemical equation, including physical state symbols, for the
O-0
decomposition of solid calcium carbonate (CaCO2) into solid calcium oxide and
gaseous carbon dioxide.
da
2. Suppose 50.0 L of carbon dioxide gas are produced by this reaction, at a
temperature of 400.0 °C and pressure of exactly 1 atm, Calculate the mass of
calcium carbonate that must have reacted. Round your answer to 3 significant digits.
0g
Explanation
Check
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Transcribed Image Text:Ancient Romans built often out of bricks and mortar. A key ingredient in their mortar was quicklime (calcium oxide), which they produced by roasting limestone (calcium carbonate). 1. Write a balanced chemical equation, including physical state symbols, for the O-0 decomposition of solid calcium carbonate (CaCO2) into solid calcium oxide and gaseous carbon dioxide. da 2. Suppose 50.0 L of carbon dioxide gas are produced by this reaction, at a temperature of 400.0 °C and pressure of exactly 1 atm, Calculate the mass of calcium carbonate that must have reacted. Round your answer to 3 significant digits. 0g Explanation Check © 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use | Privacy Accessibility <> MacBook Air DI 888 F9 F10 F7 F8 F3 F4 F5 F6 F1 23 2$ & の %24
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