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Instructions for antacid tablets may direct the user to take 2-3 tablets for reduction of stomach acid. Assuming that a particular individual's stomach contains 1 quart of 0.1 M HCl, and that an antacid tablet contains as its active ingredient 500 mg of calcium carbonate, what would the final pH of this individual's stomach contents be after taking 2 antacid tablets?
Write the net ionic equation for the cell and identify which half cell will be cathode A cell constructed with a Ag/Ag+ half-cell and a Cu/Cu+ half cell.
Which one of the following compounds is not consistent with the terminology of a complex? A) [Cu(NH3)4]2+ B) D) [Cr(NH3)6]Cl3
what is the pH of a solution made by mixing 30.00mL of .10M acetic acid with 40.00 mL 0f .10M KOH? Assume the volumes are additive and Ka=1.8*10^-5 for CH3CO2H
The presence of a carboxyl band near 1640 cm-1 and two bands near 3000 cm-1 is good evidence of an alcohol B) The presence of a sharp, medium intensity band near 2720 cm-1 and a strong carbonyl band near 1700 cm-1 is good evidence of an alcohol
The atmospheric oxidation of nitrogen monoxide, 2 NO(g) +O2(g) 2NO2(g), was studied at some temperature withinitial pressures of 1.000 atm of NO and 1.000 atm ofO2. A tequilibrium PO2=.506 atm calculate Kp 2NO(g)+O2(g) 2NO2(g)
A microwave oven operates at 2.50GHz. What is the wavelength of the radiation
If 1.28 g of NaOCl is required for an experiment, but only NaOCl*5H2O is available in the lab, how many grams of the hydrate should be used?
determine the mass of silver phosphate formed when 4.33 g of silver nitrate is reacted with 22.7 ml of .118 m
A solution (S1) of Yellow #5 has an absorbance far outside the linear region of Beer's Law. In order to determine the concentration of this solution, a serial dilution is performed. To make S2, 10 ml of S1 is diluted to 100 mL.
No desiccator is available. the sodium carbonate is cooled to room temperature, but the humidity in the room is high. how will this affect the reported molar concentration of the hydrochloric acid solution. Will it be too high, too low, or unaffec..
Concentration Units Conversions, Lethal concentration (50 percent kill): 2,485 mg/m3/4 hour... this is for a rat
How many millliters of 0.750 M H3PO4 are required to react with 250. mL of 0.150 M Ba(OH)2 if the products are barium phosphate and water
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