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Calculate the density of a solution if the following data has been recorded during a lab experiment:
Volume of solution 3.57 ml
Mass of solution 4.02 g
an ideal gas has a pressure of 2.69 atm, and a volume of 91.59 L, what is the temperature of the sample in degrees Celsius?
What is the order of a reaction that has the following time and concentration data? Time concentration
What is the total sample size (in grams) for a sample of magensium nitrite which contains 0.96 g of oxygen
When 15.0 L of water is added to 1.5 liter of a 2.0 M solution of potassium phosphate (aq), what is the final concentration
how many possible trisubstituted derivatives c6h3x2y can be obtained from the meta disubstituted benzene c6h4x2? (ignore directive effects of the substituents x and assume that all positions on the ring are accessible to the reagent y+).
A compound is found to be 74.03% C, 8.70% H, and 17.27% N. The molar mass of the compound is 162.23 g/mol. Find the empirical formula and the molecular formula of the compound?
what differences in product distribution would be expected for the elimination reactions of 2-bromo-2-methylbutane and 2-bromo-2,3-methylbutane wit hexcess potassium hydroxide in ethanol?
Calculate the 1)mls of 100mM of NaOH or HCl 2) grams of disodium phosphate 3) and the mls of water required to make a 200mM phosphate buffer at pH 6.85
Pathological consequences might ensue if various components of the regulation of signal transduction are altered inappropriately. Choose two examples in which G-protein
Write the cell reaction that occurs if the two Pt electrodes are shorted together. What is the standard potential of the cell?
Sulfur dioxide gas reacts with oxygen to produce gaseous sulfur dioxide. when the pressure on the reaction at equilibrium is lowered, the equilibrium will
calculate the air velocity necessary to suspend 1.5 cm (screened) particles of shredded aluminum; ps = 2.70 g/cm^3 and r= 0.0012 g/cm^3.
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