Is the resulting solution a buffer
Assume that 50.0 mL of 0.100 M HCl was added to 125mL of 0.100M sodium Acetate. Is the resulting solution a buffer?Why or whynot? Calculate the pH of the resulting solution.The Ka for aceticacid is 1.75x10^-5.
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Discuss the basic differences and similarities between the binomial distribution and the Poisson distribution. Use proper references.
A 10-kg mass of R-134a at 1.2 MPA and 70 C is cooled at constant pressure until it reaches a temperature of 20 C. Determine the states at points 1 and 2. Show the process on a T-v diagram with respect to the saturation line.
Suppose you have a normal distribution of values with a mean of 70 and a standard deviation of 4.5. Find the probability that a given value in the distribution is between 65 and 80, inclusively.
You scored 0.5 standard deviations above the mean on the previous quiz. What percentage of your fellow students scored lower than you?
Convection coefficient 100 W/m2.K. for both surfaces. If the heater dissipates 10 kW/m² under normal conditions, what is the temperature of the lower plate surface?
The lifetime of a certain type of calculator battery are normally distributed. The mean life is 400 hours, and the standard deviation is 50 hours. For a group of 5000 batteries, how many are expected to last: (be sure to draw the ND curve and use
If one micrometeorite (a sphere with a diameter on the order of 1.7 x 10^-6 m) struck each square meter of the Moon each second, estimate the number of years it would take to cover the Moon with micrometeorites to a depth of 1.0 m?
Hydrogen from the decomposition of water has been promoted as the fuel of the future. What mass of water, in kilograms, would have tobe electrolyzed to produce 125kg of hydrogen?
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