Chemistry, 04.07.2020 20:01 itzdryoshi
In a different experiment, a student made a compound of sulfur and copper, and now she needs to find if the compound is cooperI sukfied or copper II sulfide. she cannot physically identify hte compound 1.0440gram sample of the compound contains 0.8383 grams of copper. What is the identity of the compund? (HINT: First determine the formulas of the two candidate compounds, and then the percent copper for each one.)
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Which statement can best be concluded from the ideal gas law?
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Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide as shown below. caco3(s) cao(s) + co2(g) the kp for this reaction is 1.16 at 800°c. a 5.00 l vessel containing 10.0 g of caco3(s) was evacuated to remove the air, sealed, and then heated to 800°c. ignoring the volume occupied by the solid, what will be the mass of the solid in the vessel once equilibrium is reached?
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What is the source of continuous heat and energy that we receive from the sun
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Equal numbers of moles of he(g), ar(g), and ne(g) are placed in a glass vessel at room temperature. if the vessel has a pinhole-sized leak, which of the following will be true regarding the relative values of the partial pressures of the gases remaining in the vessel after some of the gas mixture has effused?
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