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If the boiling point of benzene is 81 degrees Celsius. Explain what is the vapor pressure of benzene at this temperature?
The following plot shows experimental data from a reaction. What is the third half life of the reactions if the slope of the plot if 0.0023 1/M*s and the y-intercept is 0.45 1/M ?
purified a new protein and find that it contains 0.154 percent Mn. Assuming that there are three atoms of manganese per molecule of protein, what is the molar mass of the protein
Draw 3 different Lewis structures for a compound with the molecular formula C6H14O; then draw both the condensed formula and the line-angle structure for each.
Write a balanced equation for the decomposition reaction described, using the smallest possible integer coefficients. When calcium carbonate decomposes, calcium oxide and carbon dioxide are formed.
Explain why and calculate the difference between the delta S° values at 298 K for the complete dissociation of the two complex ions. (Hint: the value delta H is about the same for both systems.)
What is the pH of a solution resulting from the titration of 50 mL of 0.050 M formic acid solution, HCOOH, with 25 mL of 0.050 M NaOH solution? Calculate your answer to two decimal places.
Using a sample of 350. mL air is collected at 35 Celsius has a pressure of 550. torr. if it is allowed to expand to 425 mL at 57 Celsius then What pressure will the air exert?
a 381- sample of unknown solution reacts completely with to form 13.1 . what was the concentration of the
When 0.577 L of Ar at 1.20 atm and 227°C is mixed with 0.296 L of O2 at 501 torr and 127°C in a 400. mL flask at 27°C, what is the pressure in the flask
What is the solubility of MX3. MX3 M3+ + 3X1- (Ksp = 2.00e-09) a) in water solubility = M b) in 0.11 M KX solubility = M c) in 0.16 M M(NO3)3 solubility = M
Proceeds at a certain temperature until the partial pressure of H2O, H2, and O2 reach 0.0500 atm, 0.00200 atm, and 0.00800 atm respectively. What is the value of the equilibrium constant at this teperature?
a 54.0 g ice cube initially at 0degc is dropped into a styrofoam cup containing 375 g of water initially at 21.2degc.
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