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What is the molality of a solution of ethylene glycol that contains 63.0 g of (CH2OH)2 dissolved in 557.5 g of water? Use molar masses with at least as many significant figures as the data given.
the final step of the purification process in the miniscale procedure involves a simple distillation.
Using acetylene as your ONLY source of carbons, show how you would synthesize the following compound. Note: any alkyl halides, alcohols
What is the concentration of ammonia in a solution if 21.80 mL of a 0.1160 M solution of HCl are needed to titrate a 100.0 mL sample of the solution?
Organic chemistry mechanism and conceptual problems involving, Write equations to show how nitronium ions might be formed using a mixture of nitric and sulfuric acids.
Calculate the mass of KI in grams required to prepare 9.00 102 mL of a 1.00 M solution.
Which of these is likely to be the best conductor of electricity?
A person ate 0.999 pound of cheese (an energy intake of 7990 kJ). Suppose that none of the energy was stored in his body. What mass (in grams) of water would he need to perspire in order to maintain his original temperature? (It takes 44.0 kJ to v..
Calculate the membrane potential at 25°C. How would you calculate the membrane potential if it is permeable for Na+ ions in addition to K+
Write a balanced molecular equation and a net ionic equation for the reaction aluminum hydroxide with a solution of hydrobromic acid. Include the states of each species. a) balanced molecular equation b) net ionic equation
In a high-altitude city, the normal atmospheric pressure is 607.1 torr. Use the Clausius-Clapeyron equation to estimate the boiling point of water in this city
A 10.0 mL solution of 0.300 M NH3 is titrated with a 0.100 M HCl solution. Calculate the pH after the addition of 20.0 mL of the HCl solution.
solute that is non-volatile electrolyte wtih a molar mass of 100g/mol has an osmotic pressure of 12atm at 298K. The density of the solution is 1.20 g/cm3 what is the boiling point of this solution? Kb=0.52 C/m
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