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If solvent evaporates during an experiment, what effect, if any would this have on the freezing point determined for the pure solvent and or the solution? b.) If the solute dissociated about 10% what effect, if any would this have on the freezing point? c.) Briefly explain why the addition of rock salt to the ice bath lowers the temperature of the bath. Be specific.
For the reaction: V2O5 + 6HCL---> 2VOCL3 + 3H2O If 13.65g of VOCl3 was produced in this reaction, how many grams of V2O5 were reacted in excess HCL
Express the pressure values numerically in atmospheres, separated by commas. Enter the partial pressure of methane first, then ethane, then propane.
consider the reaction ag bb lt-gt cgfor which k130. assume that .406 mol of cg is placed in a cylinder that has a
Choose the correct expression for Keq and description (homogeneous or heterogeneous) for the following reaction: Sn2+(aq) + H2(g)---> Sn(s) + 2 H+(aq)
the label on an aerosol spray can contains a warning that the can should not be heated to over 130degf because of the
What is the pH of a solution prepared by adding 66.0 ml of 0.100 M HCl to 43.0 ml of 0.200 M NaOH
what is the enthalpy change per mole of ethanol combusted? The specific heat capacity of water is 4.184 J/g×K and the molar mass of ethanol is 46.07 g/mol.
Explain what it means that the atomic mass of naturally occurring Ag, is a mixture of its two isotopes forms, is 107.868 u.
The Ka for HF is 3.5 × 10-4. What would you expect the percent ionization to be for the same concentration of hydrochloric acid (HCl)? Explain.
Briefly discuss the importance of the principles of solubility and miscibility when choosing extraction solvents
a rigid plastic container holds 1.00 l methane gas at 630 torr pressure when the temperature is 20.3degc. how much more
How many grams of alum can be obtained from 20.0 g of aluminum when the reaction proceeds with 100% yield? How many grams of alum would be obtained if the reaction were to proceed with 80.0% yield
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