Density of the solution to be equavalent
What mass of sucrose should be combined with 479 of water to make a solution with an osmotic pressure of 8.00 at 315 ? (Assume the density of the solution to be equal to the density of the solvent.)
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The solubility of oxygen in lakes high in the Rocky Mountains is affected by the altitude. If the solubility of O2 from the air is 2.67 × 10-4 M at sea level and 25°C, what is the solubility of O2 at an elevation of 12,000 ft where the a
Calculate the minimum number of grams of propane that must be combusted to provide the energy necessary to convert 5.35 of ice at -21.5 to liquid water at 76.0.
It is used as talcum powder and face powder. A sample of talc weighs 35.97 g in air and 13.65 g in mineral oil (d = 1.75 g/cm3). What is the density of talc?
The thermochemical equation for the combustion of butane is C4H10(g) + 13/2O2(g) --> 4CO2(g) + 5H2O(l) Delta H = -2877kJ What is the enthalpy change for the following reaction?
What is the future value of $4,515 invested for 18 years at 19% if interest is compounded semi-annually? Note: Do not put $ sign in your answer. Simply write the number in the answer box.
Compare the pH values in the dilution experiment for the strong acid(HCL) and the weak acid(ACETIC ACID). Do the pH values increase at the same rate across the wells?
Calculate the volume of carbon dioxide at 273 K and 1.01 * 10^5 Pa which would be produced when 1.25g of calcium carbonate reacts completely with HCL.
If it is assumed that each molecule of the solute dissociates into two particles (in this solvent), what is the molar mass of this solute?
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