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A solution is made by dissolving 0.632 mol of nonelectrolyte solute in 895 g of benzene. calculate the freezing point and boiling point of the solution
In 1774, Joseph Priestley discovered that mercury(II) oxide decomposes on heating to elemental mercury and a gas, later called oxygen. If 56.0 g of mercury(II) oxide is heated and 26.0 % of it decomposes,
If a wheelchair-marathon racer moving at 13.3 miles per hour expends energy at a rate of 635 Calories per hour, how much energy in Calories would be required to complete a marathon race (26.2 miles) at this pace
Ethanol (molar mass = 46 g/mol) can be dehydrated to yield ethene (molar mass = 28 g/mol) by heating it with an excess of concentrated sulfuric acid (acting as a catalyst).
Calculate the composition and quantity of all phases for a 50 wt % Magnesium - Lead alloy at 435 deg Celsius. Sketch the resulting microstructure, assuming the material was equilibrium cooled from the liquid phase.
the amount of product formed in the reaction mixture was 12 micro-moles. If, in a separate experiment, one-third as much enzyme and twice as much substrate had been combined, how long would it take for the same amount (12 micro-moles) of product t..
What volume and mass of steam at 100.°C and 1.00 atm would, during condensation, release the same amount of heat as 100. cm3 of liquid water during freezing.
A farmer applies 1400.0 kg of a fertilizer that contains 10.0% nitrogen to his fields each year. 15.0% of the fertilizer washes into a river that flows through the farm.
Write the following molecular equation, complete ionic equation, and net ionic equation for the following reactions: a) Potassium iodide and silver nitrate solutions are mixed, forming a precipitate of silver iodide. b) Solutions of potassium carbona..
Sodium methoxide is a weaker base than butyllithium (the base commonly used in the Wittig reaction). Suggest a reason why a weaker base
There is a peak in the middle of the graph with 0.40 for absorbance and 525 for wavelength. What is the wavelength of maximum absorbance?
Borane forms complexes with sulfides and amines. Draw a suitable structure to represent the complex formed between BH3 and dimethyl sulfide
Glucose is much more soluble in water than 1-hexanol even though both have 6 carbons. Explain
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