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1. What is the boiling point of a solution produced by adding 370 g of cane sugar (molar mass 342.3 g/mol) to 2.4 kg of water? For each mole of nonvolatile solute, the boiling point of 1 kg of water is raised 0.51 °C.
2. A pickling solution is prepared by dissolving 350 gof NaCl in 3.3 L of water. Calculate the osmolarity of the solution.
3. An isotonic solution must be approximately 0.30 osmol. How much KCl is needed to prepare 785 mL of an isotonic solution?
Write Draw a reasonable reaction mechanism (show the electron movement) for the synthesis of 2-butoxynaphthalene.
Salicyclic acid forms a polymeric byproduct as a result of this reaction. It is a small percentage of the final product mixture, but it can be visualized via TLC (the small spot just above the aspirin). Provide a balanced chemical equation for the..
Write the balanced neutralization reaction between H2SO4 and KOH in aqueous solution. Phases are optional. 0.550 L of 0.450 M H2SO4 is mixed with 0.500 L of 0.200 M KOH. What concentration of sulfuric acid remains after neutralization
Neglect the absorption of other waste gas components into the water, and the evaporation of water into the waste gas stream. What rate is NH3 is being removed from the feed gas?
Explain why the major product that results from the synthesis of an azo dye corresponds to addition of the arene to the distal nitrogen of benzenediazonium.
Calculate the mass of propylene glycol ({rm{C}}_3 {rm{H}}_8 {rm{O}}_2 ) that must be added to 0.340 kg of water to reduce the vapor pressure by 2.86 torr at 40 ^circ ,{rm C} (P_{{rm H}_2{rm O}} at 40 ^circ,{rm C} = 55.3;{rm torr}).
Explain why anhydrous sodium sulfate is used in the extraction experiment and write reactions that shows what happens. Organic layer has p-tert-Butylphenol
A gas sample has an original volume of 700 ml when collected at 750 mm and 25°C. What will be the volume of the gas sample if the pressure increases to 810 mm and the temperature increases to 30°C?
Approach the tank slowly and carefully carrying full face mask with portable oxygen. The characteristic odor will be evident if leaking then put on the PPE.
A 1.28-gram sample of copper is heated with sulfur to produce 1.60 grams of a copper sulfide compund. Calculate the mass percentages of copper and sulfur in the compund.
Choose all of the processes from below which describe changes which are independent of the path by which the change occurs the elevation increase experienced by a traveller travelling from Grand Isle
The ideal gas law (PV=nRT) provides relationships among pressure, volume, amount, and temperature of a gas inside a container. If the Kelvin temperature in a container is doubled, which of the following changes may occur?
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