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Define the density of methanol is 0.796 g/cm3 (1 cm3 = 1 mL). Is 4 mL pf methonal a satisfactory volume to utilize in this experiment?
For 300.0 mL of a buffer solution that is 0.325M in CH3CH2NH2 and 0.300 in CH3CH2NH3CL, calculate the initial and the final after adding 0.005 mol of NaOH.
What is the minimum mass of each reactant necessary to produce 200 g of sulfuric acid in nthe following reaction?
Consider the reaction CaCN2 + 3 H2O ! CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced?
A technician would like to find the concentration of a NaOH solution using KHP as the primary standard. The reaction of NaOH and KHP is as followed:
What happened when CaCO3 was combined with hydrochloric acid? was a chemical reaction obvious here ? what about NaOH added to HCl?
The equilibrium constant Kc for the formation of ammonia: N2(g) + 3H2(g) -> 2NH3(g), is 3.6 x 10^8 at 25 C. What is the concentration of ammonia, when the equilibrium concentrations [N2] = 5.4 x 10^-3 M, and [H2] = 2.1 x 10^-3
An oil bath maintained at 50.5oC loses heat to its surroundings at the rate of 4.68 kJ/min. Its temperature is maintained by an electrically heated coil with a resistance of 60 operated from a 110 V line.
A mixture containing 0.538 mol He(g), 0.315 mol Ne(g), and 0.103 mol Ar(g) is confined in a 7.00-L vessel at 25 degree Celcius. Compute the partial pressure of each of the gases in the mixture.
Bromine reacts with aluminum iodide. If 6.35x10^21 molecules of iodide are produced , how many grams of aluminum iodide is reacted. need help writing out the equation.
What is the wavelength (in meters) of photons with the following energies? In what region of the electromagnetic spectrum does each appear? given 90.5KJ/mol
Calculate the rms (average) speed of ClO2 atoms or molecules at 297 oC. Use R = 8.314 kg-m2/K-s2-mol for the value of the gas constant.
A student placed 18.5g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100
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