Stoichiometric relationships with gases
Question: When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the reaction
CaCO3 (s) ---> CaO (s) + CO2(g)
What is the mass of calcium carbonate needed to produce 93.0L of carbon dioxide at STP?
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In an experiment, 6.100g of hydrogen sulfide is fully decomposed into its elements. If 0.360g of hydrogen is obtained in this experiment, how many grams of sulfur must be obtained?
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For the reaction: 2HI(g) ? H2(g) + I2(g) Keq = 0.016 Initially a container contains 0.60 M HI, 0.038 M H2, and 0.15 M I2 at equilibrium. What is the new equilibrium concentration of H2, if the H2 concentration is increased by 0.223 M?
Calculate Ron's gross and net pay. How excited should Ron be? Show the entry necessary for Ron's employer to record wage expense.
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