A special vessel (see Fig. 16.52) contains ice and super-cooled water (both at –10oC) connected by vapor space. Describe what happens to the amounts of ice and water as time passes.
Answer to relevant QuestionsConsider a cation in a trigonal hole. What size ion will just fit in the hole if the packed spheres have radius R? For each of the following solute–solvent combinations, state the sign and relative magnitudes for ΔH1, ΔH2, ΔH3, and ΔHsoln (as defined in Fig. 17.1 of the text). Explain your answers. Figure 17.1 Which solvent, water or carbon tetrachloride, would you choose to dissolve each of the following? a. KrF2 b. SF2 c. SO2 d. CO2 e. MgF2 f. CH2O g. CH2PCH2 Which of the following will have the lowest total vapor pressure at 25oC? Which has the highest vapor pressure at 25oC? At 25oC, the vapor pressure of pure water is 23.8 torr. a. Pure water A bottle of wine contains 12.5% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration of ethanol in wine in terms of mass percent and molality.
Post your question