Explain the ph at the equivalence point for the titration
Calculate the pH at the equivalence point for the titration of 20.0mL of 1.00 M HF with 0.500 M NaOH. Ka=3.5x10-4 for HF.
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The air used to heat an auditorium flows into the heating unit at a rate of 145 m3/min at -3°C and 100 kPa. What is the temperature of the air exiting from the heating unit?
During an Apollo lunar landing mission, one astronaut stayed in the command module which continued to orbit the Moon while two astronauts walked on the moon. If the command module was at an altitude of about 92 km above the surface of the moon, ho
A survey of US adults found that 19% are happy with their current employer. You randomly select 30 adults and ask them if they are happy with their current employer. Can a normal distribution be used to approximate the binomial distribution? If s
As a process engineer, you are asked to determine the emission rate of MeOH vapor from the tank in units of Kg MeOH/day when the tank is a temperature of 30C.
A roller coaster moving with a constant speed of 13 m/s, goes up and over a hill that has the shape of a circle at the top. If the radius of curvature of this section of the track is r = 32 m, find the apparent weight of a 67-kg person in the roll
For a prediction value of y' from a specific value of x, which of the following contribute to the prediction error?
Write the differential equation to find the temperature in the slab as a function of position. Write the boundary conditions necessary to solve the problem.
A 0.89% (w/v) sodium chloridesolution is referred to as physiological saline solution because ithas the same concentration of salts as human blood. What is the molarity of a physiological saline solution?
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but I would like to discuss to what extent employers should/should not influence or curb political participation in their workplaces.
Suppose you are the head of an island nation with a poor, growing population and the natural resources of the island are being degraded.
Question: What was the economic and political impact, if any protect the health and welfare to citizens ?
Problem: Article 3 of the Texas Constitution sets up the Texas Legislature. It also does which of the following?
Summarize how the ERA can be ratified and explain why this is the most likely way. You will draw on instances that are important to you
Which amendment to the U.S. Constitution is often called the "States' Rights Amendment" and is commonly used by states to challenge
Mechanisms of State-Led Development:** - **Industrial Policy:** Both countries used targeted industrial policies to support specific sectors, such as electroni