Calculate the ph of a solution prepared by mixing
Calculate the pH of a solution prepared by mixing 15.0mL of 10M NaOH and 30.0mL of 10.0M benzoic acid solution.(Benzoic acid is monoprotic; its dissociation constant is 6.5*10^-5)
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Suppose that 1 kg of saturated water vapor at 100ºC is condensed to a saturated liquid at 100ºC in a constant-pressure process by heat transfer to the surrounding air, which is at 25ºC.
A wire of cross-sectional area 5.00*10^-6 m^2 has a resistance of 1.75 Ohms. What is the resistance of a wire of the same material and length as the first wire, but with cross-sectional area of 8.75*10^-6 m^2?
A solution is made to be 3.8 * 10-2 M in Al3+ and .29 M in NaF. If the Kf for AlF63+ is 7 * 1019, how much aluminum ion remains at equilibrium?
The cold space that absorbs the energy could be a bath of liquid water and ice. Calculate the change of entropy of the cooling medium.
What was the cumulative incidence rate of hearing loss in workers who did not wear earplugs? What was the relative risk of hearing loss in workers who did not wear earplugs, compared with those who did? What was the risk of hearing loss attributable
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of the car pushing upward on her with a force equal THREE TIMES her weight as she does through the dip. If r= 20.5m, how
The loading on the piston is such that the product PV is a constant. Assuming that the room temperature is 20°C, Show that this process does not violate the second law.
An lady bug walks 20.0 cm in a direction of 30.00 North of East. She then turns and walks 30.0 cm North, turns and walks 10.0 cm West. How far is the lady bug from where she started.
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Identify and discuss three ethical guidelines that are important to consider when designing an 8-week group for adolescents who are referred
Lifespan psychologists are unlikely to investigate both changes as well as consistencies that exist in different individuals'
You are a social worker working with foster children. You are making a home visit to Katie, age nine, and her foster family.
Working in the yard, you feel unpleasantly hot and sweaty when you come in the house, so you take a shower and begin to feel better.
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What is another way to say ". It is important to ensure that the youth understand what the study involves, what their participation entails
Early food experiences can impact development over several learning domains, including Social and Emotional Development, Language