What is methanol''s vapor pressure at 22.0 °c
Methanol (CH3OH) is a colorless volatile liquid, formerly known as wood alcohol. It boils at 65.0 °C and has a heat of vaporization ΔHvap = 37.4 kJ/mol. What is methanol's vapor pressure at 22.0 °C?
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What are the half-reactions for these redox processes?
A buffer solution is prepared by mixing 50.0 mL of 0.022 M C6H5COOH and 20.0 mL of 0.032 MNaC6H5CO2. (a) What is the of the buffer solution? (b) What are the pH and the change in pH after the addition of 0.054 mmol HCl to the buffer solution? (c)
Using the inverse square law of radiation, what Geiger counter reading would you get for a radioactive material. How many protons and neutrons are present in the plutonium-238 nucleus?
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Under such conditions, how many grams of NH3 will be actually produced from the reaction of 25.0 g N2 and 2.00 g H2? N2(g) + 3 H2(g) → 2 NH3(g).
Butylated hydroxytoluene (BHT) is used as an antioxidant in processed foods (it prevents fats and oils from becoming rancid). A solution of 2.500 g of BHT in 100.0 g of benzene had a freezing point of Tf = 4.880 °C. What is the mol
A copper-bottomed kettle, its bottom 24 cm in diameter and 3.0 mm thick, sits on a burner. The kettle holds boiling water, and energy flows into the water from the kettle bottom at 800 W. What is the degrees in Celsius?
The solubility of CO2 in water at 25 °C and PCO2 = 1 atm is 0.034 mol/L. What is its water solubility under normal atmospheric conditions (in air, carbon dioxide is about 380 ppmv) assuming that CO2 obeys Henry's law?
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