Determine the experimental vant hoff factor
Question: The freezing-point depression of a 0.100 m (molality) MgSO4 solution is 0.225 degrees Celsius. Determine the experimental van't Hoff factor of MgSO4 at this concentration.
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When a sample of H2S(g) (9.811 mol) is placed in 180.0 L reaction vessel at 724.0 K and allowed to come to equilibrium the mixture contains 0.01627 mol/L of S2(g). What is the equilibrium concentration (mol/L) of H2S(g)?
In some industrial processes, sulfite is added to remove dissolved O2 to prevent corrosion of pipes. Write the balanced overall chemical reaction for reduction of dissolved O2 by sulfite (SO32-).
If a vessel initially contains a concentration of 9.31E-5 M of formyl radicals, what is the predicted concentration after 8 min have elapsed?
Calculate the change in internal energy for a system if a gas cools and releases 10.86 kJ of heat and expanded from 2.35 L to 22.86 L at 3.50 atm
For each of the following positive ions use the concept that a chemical compound must have a net charge of zero to predict the formula of the simple compounds that the positive ions would form with Cl-, S2-,N3-
Consider a liquid with a vapor pressure of 200. torr at 20.0 oC and a vapor pressure of 400. torr at 50.0 oC. What is the closest value to the normal boiling point of this liquid. A. 357 oC B. 295 oC C. 22.0 oC D. 18.2 oC E. 83.8 oC
Sodium sulfate is slowly added to a solution containing 0.0500 M Ca2 (aq) and .0280 M Ag (aq). What will be the concentration of Ca2 (aq) when Ag2SO4(s) begins to precipitate
The work function of silver is 7.59x10^-19J. what is the longest wavelength of electromagnetic radiation that can eject an electron from the surface of a piece of silver
Draw a three-dimensional representation of the oxygen-bearing carbons atom in ethanol, CH3CH2OH, using the standard convention of solid, wedged, and dashed lines.
If 2.0 g of lithium metal reacts with 3.0 L of chlorine gas at STP, what mass of lithium chloride is produced?
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