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A 10.0cm long cylindrical glass tube, sealed at one end, is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 11.48g . The density of ethanol is 0.789 g/mL.
Calculate the quantity of energy produced per gram of reactant for the fusion of two H - 2 (atomic mass = 2.014102 amu) atoms to form He-3 (atomic mass = 3.016029 amu) and one neutron.
What is the steric number for either N in N2 and What is the steric number for the O atom in water? Draw the Lewis formula for water before answering the question.
Hydrogen gas is collected at 29 c the total pressure of the system is 773 torr. If the vapor pressure of water at 29c is 30 torr what is the partial pressure of the hydrogen gas?
volumetric flask and this solution becomes quite warm, but after it is permitted to return to room temperature, H 2 O is combined to total 500 mili litres of solution. Compute the pH of the final solution. ?
Consider the acid-catalyzed cleavage of propylene oxide with 1-propanol. Provide abbreviated structural formulas for the protonated epoxide substrate and of 1-propanol
A student added 5.85g of KMnO4 to a beaker containing 150ml of 0.200 M KMnO4 solution. Calculate the molar concentration of the final solution. Assume volume remains constant.
Why is sodium hydroxide added to the solution of thiamine hydrochloride
Low molecular weight esters have fruity flavors and odors. Explain why do carboxylic acids, which have lower molecular weights than esters of that carboxylic acid have higher boiling points lower vapor pressure and volatility than the correspond..
A solution is prepared by dissolving 249 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C. (The vapor pressure of water is 31.8 mmHg at 30°C.)
an industrial process makes calcium oxide by decomposing calcium carbonate. which of the following is not needed to
A chemist must dilute 10.7mL of 3.68 M (Molarity) aqueous sodium thiosulfate (Na2S2O3) solution until the concentration falls to 1.00M.
Perform a mole balance over all materials to find n3, the molar flow rate of heated air and water vapor leaving the lines. What is the mole fraction of water vapor in the air and water vapor mixture stream leaving the heating lines
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