How many grams of compound will be produced from reaction
Under certain conditions, the formation of ammonia from nitrogen and hydrogen has an 8.12% yield. 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).
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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?
What ways did the network of trade routes called the silk roads make life during the classical era a significantly different from life in the preclassical world? Consider all the different effects and the various cultures involved.
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?
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?
How did human beings first migrate to North America, what were the characteristics of early human settlement there, and how, in a general sense, did those patterns of settlement change?
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