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A friend studies a first-order reaction and obtains the following three graphs for experiments done at two different temperatures.
(a) Which two graphs represent experiments done at the same temperature? What accounts for the difference in these two graphs? In what way are they the same?
(b) Which two graphs represent experiments done with the same starting concentration but at different temperatures? Which graph probably represents the lower temperature? How do you know?
The normal boiling point of water is 100 C as well as its molar enthalpy of vaporization is 40.67 kJ/mol. Explain what is the change in entropy in the system in J/k when 39.3 grams of steam at 1 atm condense to a liquid at the normal boiling point
if 1 mole of a van der waals gas for which it might be shown that nbspspread out is o thermally from a volume of two
A sample of chlorine gas occupies 825 mL at 1250 torr. What volume will the chlorine occupy at 3.50 atm
many household cleaning products contain oxalic acid h2c2o4 a diprotic acid with the following dissociation constants
Discuss the consequences in terms of Type I or Type II errors if the cutoff range is changed by using i) the 1' percentile or ii) the 10th percentile of the disorder ranges
Consider an unknown that is approximately 50.% KHP. What mass of the unknown would be required to react with 40. mL of 0.10 M NaOH?
A certain substance has a heat of vaporization of 69.72 kJ/mol. At what Kelvin temperature will the vapor pressure be 3.00 times higher than it was at 307 K?
Calculate the pH of a solution formed by mixing 196.0 mL of 0.100 M NaF and 198.0 mL of 0.025 M HCl.
Predict the probability P9v) that a molecule will have a given total velocity of more specifically P(v)dv is the probability that a molecule will have a velocity btwn v and v+dv.
Write a balanced reaction for the complete combustion of ethanol (C2H5OH) in oxygen, using the smallest integer coefficients. Then add up the total of all of the coefficients from both sides of your equation and enter that number as your answer.
An increase in which of the following will occur if the reaction temperature is increased? I. Energy of activation II. Collision frequency III. Fraction of collisions with sufficient energy
Question- Concerning the applicability of the titration method, comment on if and how you could use it to determine Ksp for each of the following: a) barium hydroxide b)calcium sulfate
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