The rate constant of a reaction is 75010-5 lmolmiddots at
The rate constant of a reaction is 7.50*10-5 L/mol·s at 195°C and 5.30*10-3 L/mol·s at 258°C. What is the activation energy of the reaction, in kJ/mol
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how to describe the locus of the equation x^2+6xy+y^2+z^2=1 in cylindrical polar coordinates?
Find the pH and volume (mL) of 0.447 M HNO3 needed to reach the equivalence point(s) in titrations of each of the following
20 kg of water occupy a volume of 1 m^3 in a piston cylinder device at a pressure of 45 bars, Determine the final temperature of the water and Calculate the work and heat involved during this process
200 students took a test. The scores were normally distributed. Your score was in the 60th percentile. How many people scored at or below your score?
Suppose that the quarterly sales levels among health care information systems companies are approximately normally distributed with a mean of million dollars and a standard deviation of million dollars. One health care information systems company con
An ?-particle has a charge of +2e and a mass of 6.64 ? 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.06 X 106 V, What is the speed of the ?-particle
If you wanted to determine which of the two learning programs made the bigger difference in the participant's knowledge and skills, what statistical tests would you perform? What assumptions would the test have to meet before you proceed? How would y
Lead and iron are common alloying elements found in brass. Would the presence of these elements complicate the analysis of brass
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