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What ions are in these solutions? cold tap water, 0,9 % NaCl (aq), 0,1 M acetic acid, 0,1 M HCl, 0,1 M NaC2H3O2 (aq), 0,1 M ammonia.
calculate w and delta e when one mole of a liquid is vaporized at its boiling point (80 degrees celscius) and 1.00 atm pressure. Delta H vaporization for the liquid is 30.7 kJ/mol at 80 degrees celscius.
Phosgene decomposes by the reaction COCL(g) CO(g) + Cl2 K2=8.3x10^-4 (at 360C) When 5.00 of COCL2(g) are placed in a 10.0 L flask, find the quilibrium concentration of COCL2, CO and CL2 using the follow steops
How would the following experimental errors change the calculation of the number of mg of ascorbic acid in fresh orange juice, student neglected to filter the juice
Draw the major monoalkylation product(s) you would expect to obtain from reaction of benzoic acid with chloromethane and AlCl3. If there is more than one product draw all in the same window.
A 1.348 gram sample containing an unknown amount of arsenic trichloride and the rest inerts was dissolved into a NaHCO3 and HCl aqueous solution.
The temperature rises from 19.25C to 22.17C. If the heat capacityof the calorimeter is 98.6J/C, calculate the enthalpy change forthe above reaction on a molar basis
Calculate the molar mass and density of dry air at 0 °C and 1.0 atm. Assume ideal behavior and use two significant figures
if the rate of decomposition of N2O5 at a particular instant in a reaction vessel is 4.2 x 10^-7 M/s, what is the rate of appearance of NO2
Calculate the detection limit (90% and 95% confidence interval) for a single measurement. Use the equation D.L = (ks)/m
Imagine that you have a 5.00L gas tank and a 4.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
What is the main component of the first eluting peak and what percentage of the total absorbance at 300nm is due to this component?(assuming the light path- length = 1.0 cm)
Draw a valence bond structure for the BH3-THF complex showing formal charges
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