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In the Haber process nirtrogen reacts with hydrogen to give ammonia. What is the theoretical yield of ammonia in grams that can be prepared from 41.0 g of nitrogen and excess hydrogen
A collapsed balloon is filled with He to a volume of 11.2L at a pressure of 1.00 atm. Oxygen (O2) is then assed so that the final volume of the ballon is 21
Draw a triglyceride made from glycerol, myristic acid, palmitic acid and oleic acid. Place palmitic acid at the middle position.
Find the total number of Coulomb potential energy terms and the number of electron-electron repulsion terms, for a) a boron atom B; b) an iodine atom I
A stock solution of perchloric acid is 70.5% by mass HClO4 and 29.5% by mass water. The density of the solution is 1.67 g·mL-1 at 20 C. Calculate the molarity of the solution.
10.0 mL of a 0.30 M sodium phosphate solution reacts with 20.0 mL of a 0.20 M lead(II) nitrate solution (assume no volume change). What is the concentration of phosphate ions left in solution after the reaction is complete
Consider the following reaction. N2 + 3H2 -> 2NH3 . 28.0 grams of N2 and 5.04 grams of H2 are reacted, producing 17.8 grams of NH3. What is the percent yield?
The following data were obtained for the determination of iron in serum by a spectrophotometeic method. Assuming the validity of Beer's Law for the experiment calcualte the concentration of iron in serum
Equal masses of water and ethylene glycol are mixed. What is the concentration of ethylene glycol in units of molality? The molar mass of water and ethylene glycol are 18.02 g/mol and 62.07 g/mol, respectively.
How many air molecules are in a 13.5 ft x 12 ft x 10ft room? Assume atmospheric pressure of 1 atm, a room temperature of 20.0 degrees Celcius and ideal behavior. There are 28.8 L in 1 cubic foot.
What are the equilibrium concentrations of H2,I2, and HI. (B) to what extent does the reaction proceed? Explain. (C) what is the Kc for the production of one mole HI?
At 25°C, 1.0 g of caffeine is dissolve into 47 ml of water, 18 ml of dichloromethane, into 86 ml of benzene, or into 270 ml of diethyl ether. Which solvent would provide the largest extraction coefficient (KD). Briefly explain.
draw a qualitative potential energy diagram for the rotation about the c3-c4 bond in 2,4-dimethylpentane
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