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The density of water is 1.00 g/ml and the density of propanol C3H8O is 0.866 g/ml. What volume of propanol contains the same number of molecules are present in 127.1ml of water
h2g co2g h2og cogat a certain temperature an equilibrium mixture in a 10.0 l container was analyzed and found to
A compound is analyzed and found to contain 51.64 g of carbon and 8.69 g of hydrogen. What is the empirical formula for this compound
Draw the enantiomer of cis-1-chloro-3-methylcyclopentane which is R at C-1. 1) What is the configuration of this molecule at C-3 (R and S)?
An analysis of fatty acids is desired. These fatty acids have boiling points in excess of 275O C. The sample is extracted with methanol to obtain a solution that only contains the fatty acids.
P4(s) + 6F2(g) --> 4PF3(g) How many grams of fluorine are needed to react with 6.20g of phosphorus?
An unknown noble gas effuses through a tiny hole into an evacuated space with a rate that is 0.578 times the rate of N2(g): rateunk/raten2=0.578. calculate the molar mass of the noble gas in g/mol using Gtaham's law of effusion (N=14.0)
What is the potential at the center of the sphere, if we take the potential to be zero infinitely far from the sphere
Which is the correct arrangement of types of radiation when ordered in decreasing energy per photon. a. Radio waves, microwave radiation, ultraviolet light, X-rays
The room temperature and pressure were 23.6 deg C and 763.4 mm Hg respectively. The residue had a mass of 3.1915 grams. What was the partial pressure of oxygen?
Calculate the number of grams necessary to prepare 50. ml of 0.45 M NaCO2H. Calculate its pH.
the activation energy for the decompostion of HI to H2 and I2 is 186 kJ/mol. The rate constant at 555 K is 3.2 x 10^-7 L/mol*s.
In order to buffer a solution at a pH of 4.57, how many grams of sodium acetate, NaCH3COO should you add to 500 mL of a 0.150 M solution of acetic acid (CH3COOH)
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