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Write a chemical equation describing the condensation process for CO2 and a chemical equation describing the freezing process for CO2.
A pound of coffee beans yields 54 cups of coffee (4 cups = 1qt ). How many milliliters of coffee can be obtained from 1g of coffee beans?
Describe the major organic product(s) of this reaction. CH3C?CD + CH4 or CH3C?CCD or CH3C?CCH3 or CH3C?CD + CH3D or CD3C?CD3
Determine what is the exact volume of the 250-mL Erlenmeyer flask express your answer (in mL)?
Nicotine, a component of tobacco, is composed of C, H, and N. A 12.075 mg sample of nicotine was combusted, producing 32.757 mg of CO2 and 9.391 mg of H2O. What is the empirical formula for nicotine?
Assume that a waste contains 395.0 mg/L of biodegradable CH2O and is processed through a 190000.0 L/day sewage treatment plant which converts 40% of the waste to CO2 and H2O.
A certain second-order reaction has a rate constant of 1.10×10-3 at 27 C and an initial half-life of 226 . What is the concentration of the reactant after one half-life?
If the pressure exerted by ozone, O3, 3.0x10-3 atm and the temperature is 247 K , how many ozone molecules are in a liter.
A balloon filled with 39.1 mol helium has a volume of 876 L at 0.0 C and 1.00 atm pressure. The temperature of the balloon is increased to 38.0 C as it expands to a volume of 998 L, the pressure remaining constant.
Describe in detail the manufacture of silicon crystals. Describe the process
What mass of copper would be produced by the reduction of copper(II) ions during passage of 1 ampere of current through a solution of copper(II) sulfate for 51 minutes?
Using a sample of a compound containing only oxygen and chlorine reacts with an excess of H2 gas to give 0.206 g water and 0.278 g HCl
A 27.0-g sample of water at 250. K is mixed with 47.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
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