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If 5.45mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram?
at 25.0degc a sample of xe gas occupies 550 ml in a piston-cylider apparatus when the external pressure is 353 torr. at
Calculate the work associated with the compression of a gas from 121.0L to 80.0 L at constant pressure of 20.7 atm.
0.0010 mg of H, 0.0116 mg of C, and 0.0310 mg of O. It was also determined that the unknown compound had a molecular weight of 90.0 g/mol.
What size sample should be taken so that the percent purity is equal to five times the milliliters of 0.05M NaOH used to titrate it?
What us the partial pressure (in atm) of carbon dioxide and the partial pressure (in atm) of water vapor? (For the purpose of this question, assume ideal gas behavior.)
What are the various uses of radioactivity in healthcare? What are the future trends in healthcare with respect to the use of radioactivity?
An electron in the n=4 energy level of a He+ atom could be in any number of degenerate energy states or orbitals. List all of the possible values of the 1 and m1 quantum numbers for n=4, identify the 1 values in terms of the usual letters
Consider the coordination of Cu2+ by the tridentate iminodiacetate ligand, HN(CH2CO2-)2, abbreviated A2-. When the monoprotonated form
What is the pressure of the gas in this mercury manometer if h = 73 mm and atmospheric pressure
M HNO3 is mixed with 439 mL NaOH with pH=13.97. What is the pH of the resulting solution?
In the titration of a weak base (0.100 M piperazine, 40 mL) with a strong acid (0.100 M HCl). Calculate the pH values between 0 mL Va and 100 mL in 10 mL steps. The two Ka values of piperazine are 4.65 x 10^-6 and 1.86 x 10^-10
Write the net ionic reaction from the following balanced reactions: 1. FeCl3 (aq) + K3PO4 (aq) = FePO4 (s) + 3 KCI (aq) 2. Ba(NO3)2 (aq) + Ag2SO4 (aq) = 2 AgNO3(aq) + BaSO4 (s)
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