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What is the molarity of the OH- ions in 0.040 M barium hydroxide, Ba(OH)2? I know the answer is .08M. The barium hydroxide is fully dissociated into ions in the dilute solution.
A piston has an external pressure of 11.0 atm . How much work has been done if the cylinder goes from a volume of 0.150 liters to 0.620 liters.
a 10.0-g sample of ice at -16.0degc is mixed with 105.0 g of water at 76.0degc. calculate the final temperature of the
A 200.0-mL sample of the same tap water required 47.86 mL of the standard EDTA for titration at pH 10 using calmagite indicator. Calculate the molar concentration of Mg2+ in the tap water
Exactly 100 mL of 0.10 M nitrous acid (HNO2) are titrated with a 0.10 M NaOH solution. Calculate the pH for the following. (a) the initial solution
The molar constant volume heat capacity for I_2(g) is 28.6 J/ mol K. What is the vibrational contribution to the heat capacity. You can assume that the contribution from the electronic degrees of freedom is negligible.
determine the structures of Compounds A, B, C, D, and E. Show calculations. Support all of your structure determinations.
Soft drinks are bottled under CO2 pressure of 4.0 atm. The solubility of CO2 at 4.0 atm is 0.71g/100g H2O. What is its solubility after the bottle is opened if the partial pressure of CO2 is 4.0e-4 atm
Consider the following cell: Pt|H2(g, 0.645 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.20 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate the hydrogen ion con..
what is the concentration ratio of the free (and potentially toxic) Pb^2+ (aq) in the blood to the much less toxic Pb^2+ -EDTA complex
Eventually, the water cools to 25.0 degrees celsius while the temperature in the room remains unchanged. Calculate deltaS(sys), deltaS(surr), and deltaS(univ) for this process.
what is the minimum amount of NaCl needed to get the 18.2 degrees? Its a molality equation
BaSO4 is listed as insoluble. Actually, BaSO4 is highly soluble, Ksp=1.1e-10. What is the solubility, in mg/l?
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