A solution contains 22 times 10-3 m in cu2 and 033 m in
A solution contains 2.2 × 10-3 M in Cu2+ and 0.33 M in LiCN. If the Kf for Cu(CN)42- is 1.0 × 1025, how much copper ion remains at equilibrium
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Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 M NH4Cl with 100.0 mL of 0.20 M NH3. The Kb for NH3 is 1.8 x 10-5.
Four identical cells, each of emf 2V are joined in parallel providing supply of current to external circuit consisting of two 15 ohm resistors joined in parallel, Calculate the internal resistance of each cell
Which of the following acids (listed with pKa values) and their conjugate base would form a buffer with a pH of 8.10
A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Determine the pH of the solution after the addition of 50.0 mL of HNO3. The Kb of NH3 is 1.8 × 10-5.
What would the researchers have concluded about the study medication if they had ignored the effect of sepsis on survival in their analysis?
What is the approximate pH at the equivalence point of a weak acid-strong base titration if 25 mL of aqueous formic acid requires 29.80 mL of 0. 3567 M NaOH? Ka =1.8 × 10-4 for formic acid.
Two coils have the same number of circular turns and carry the same current. Each rotates in a magnetic field acting perpendicularly to its axis of rotation, What is the radius (in cm) of coil 2
Have you ever wondered about how a frost-free refrigerator remains, well, frost-free? The key is sublimation During certain times, the freezer compartment is warmed slightly
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You're instructing a patient with athsma about the use of bronchodilators. You should teach the patient which one?
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Observing and reporting a correctional client's behavior is extremely important, to ensure they receive the right mental health care.
You are trying to improve patient satisfaction scores in your hospital's emergency department. You decide to poll 40 patients a day for three weeks.
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