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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Did you feel prepared for this speech? How much time did you spend preparing for this speech? How many practice runs did you do?
1. Explain the impact of User Stories. How are good user stories written? What does a good user story look like?
You will write a comparison-contrast paragraph. You may choose any comparison-contrast approach related to persons, places, or things.
You are required to write a descriptive paragraph for this assignment. You may choose any person you have known personally or any place that was important
Begin by reading aloud/ listening to "I Hear America Singing" by Walt Whitman. Write your thought about the Whitman poem.
Choose your all-time favorite movie and write a short argument persuading the reader (your instructor) to watch the movie.
Why has the provider of choice shifted from rail to motor modes? With the shift to motor freight carriers, the amount of traffic accidents have sky rocketed;