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Problem- An aqueous solution is saturated in both potassium chlorate and carbon dioxide gas at room temperature.
What happens when the solution is warmed to 85 ?C?
a. Salt precipitates out of solution.
b. Gas bubbles out of solution.
c. Salt precipitates out of solution and gas bubbles out of solution.
d. Nothing happens; all of the salt and the gas remain dissolved in solution.
State your answer as a chemical formula.
A power plant burns 10^4 kg hr-1 of coal containing 2.5% sulfur. The effluent is released from a single stack of height 70 m. The plume rise is normally about 30 m.
How many grams of acetic acid will you need to prepare the 500 mL buffer. Note that the given concentration of acetate refers to the concentration of all acetate species in solution.
A 1.25-gram sample of FeC2O4 is added to an evacuated 2.00-L steel vessel. The vessel is heated to 400°C, at which point all the FeC2O4 is decomposed: FeC2O4 (s) # FeO (s) + CO2 (g) + CO (g) Calculate the total pressure inside the vessel at 400°C
when a 0.6333-g sample of a compound of carbon hydrogen and sulfur was burned in excess oxygen 0.9272 g co2 0.3795 g
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Compute the energy released when 28.9 gram piece of copper is cooled from its melting point of 1083 degree C. The specific heat of copper is .385 J/g degrees C
Question- How many grams of water can be formed when 1.396L of Hydrogen has at STP completely reacts with Oxygen
Calculate how many joules are needed to heat and calculate the theoretical volumes of 1.0 M Tris base?
Which of the following expressions hold for 0.10 mol/L Na2HA(aq). (HA2- is the doubly-ionized form of H3A, a weak triprotic acid.)
In non-ionic compounds, the two primary sources of intermolecular forces are permanent dipoles and temporary dipoles. Explain what causes these types of dipoles to form.
A mixture of benzene and styrene is fed at a rate of 100 mol/min to a flash tank operating at 25'C. The flash produces equal flows of gas and liquid, with the liquid phase being 95% pure.
Calculate the molarity of a phosphoric acid(H3PO4) solution that is 84% by mass phosphoric acid and has a density of 1.87g/mL.
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