What happened when the equivalence point was reached
A 0.300g sample of propionic acid was dissolved in water to give 50.0ml of solution. This solution was ttitrated with 0.150M NaOH. What was the pH of the solution when the equivalence point was reached?
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The personnel director at a large company studied the eating habits of the company's employees. The director noted whether employees brought their own lunches to work, ate at the company cafeteria, or went out to lunch.
Spheres A and B are touched together and then separated. Spheres B and C are then touched and separated. Does sphere C end up with an excess or a deficiency of electrons and how many electrons is it?
The inclusion-exclusion principle for three events A, B, and C is P(A[B[C) = P(A)+P(B)+P(C)-P(A\B)-P(A\C)-P(B\C)+P(A\B\C)
A fair coin is flipped 4 times. What is the probability of observing (i) at least one head (ii) no more than two heads, (iii) a run of two or more consecutive tails?
What would be the actual velocity of the air at the exit with the results obtained above? If you were to use this exit velocity what result would you get for your temperature at the exit?
A girl having two siblings is chosen at random. What is the probability that she has no sisters? Define the sample space such that the outcomes are equally likely. Then determine the probability of the desired event.
Determine the power produced by this turbine in kW. Assume that air is ideal but use both variable and constant specific heats to answer this question and compare your results.
A piece of dry ice (solid carbon dioxide) with a mass of 28.8g is allowed to sublime (convert from solid to gas) into a large balloon.
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I completely agree with your points about random practice promoting a stronger motor learning through problem-solving.
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