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At high temperatures and pressures, nitrogen will react with hydrogen to produce ammonia, as shown by the equation
___N2(g) + ___H2(g) ® ___NH3(g)
For each of the following combinations of reactants, decide which is the limiting reactant.
a. 1.25 moles of N2 and 3.65 moles of H2
b. 44.0 g of N2 and 3.00 moles of H2
draw an electron-dot structure for acetonitrile, c2h3n, which contains a carbon-nitrogen triple bond. how many electrons does the nitrogen atom have in its outer shell? how many are bonding, and how many are nonbonding
Radical chlorination of 2-bromopropane produces all possible monochlorinated products. How many constitutional isomers are formed. How many of these constitutional isomers are chiral
gas evolution frequency is observed during the seperatory funnel extractions in this experiment. What is the identity of this gas and how is it formed?
Sdduming ideal-solution behavior, what is the vapor pressure of the solution at 63.5 C What is the mole fraction of ethanol in the vapor above the solution
Plot the speed distribution function for a.) Helium, O2,and UF6, at the same temperature, and b.) CO2at 300 K and 1000 K.
A solution is prepared by adding 1.10 g of solid rm NaCl to 50.0 mL of 0.100 M {CaCl_2}. What is the molarity of chloride ion in the final solution? Assume that the volume of the final solution is 50.0 mL.
Which of the following correctly summarizes the exact relationships between the SN values of 2 to 6, the hybrid orbital names, and the predicted geometries for molecules that have hybridized central atoms?
because the electronegative chlorine atom pulls electrons away from the O-H bond and thus weakens it. Calculate the hydronium-ion concentration and the pH of a 0.0022 M solution of chloroacetic acid. Ka is 1.3 10-3.
A sample of vinegar has a freezing point depression of 20 degrees C. What is the estimated percent by mass of acetic acid in the vinegar? Molar mass of acetic acid is 60g/mol.
We irridate an unknown atomic system, in the gas phase, with monochromatic UV radiation of wavelength 0.605x10^-7m and observe a sharp absorption line. All other absorption lines have higher wavelength.
Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in Appendix 3. (?H°f (HgO(s)) = -90.7 kJ/mol and ?H°f (FeO(s)) = -272 kJ/mol.)
Find the activation energy barrier for this reaction. What temperature should I use if I want the reaction to have a rate constant that is 10 times bigger than the rate constant found at 600K
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