What is the molar ratio needed between the free acid
To prepare a buffer pH= 4.0 using formic acid (pKa= 3.75), what is the molar ratio needed between the free acid and the conjugated base?
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What is the standard deviation for the distribution of these exam scores? What score does a student need to achieve in order to be at the 95th percentile? How about at the 99th percentile?
Determine how long it will take to vaporize all the liquid in the tank. Also, show the process on a T-v diagram with respect to the saturation curve.
What is the z-score for a blood pressure reading of 140? The proportion with high blood pressure is ? What proportion of the populatin has systolic blood pressure in the range from 98 to 140? Find the 90th percentile blood pressure readings.
Explian why melting points are important in ochem. think about how you can identify a compound.? Explian why reflux is an important techniques in ochem.Think about energy needed to carry out a reaction?
30 mg of calcium ( Ca2+ ) and 50 mg ofMagnesium ( Mg2+ ) are dissolved in 0.5 L of water.What is the total hardness of the solution expressed in mg/L asCaCO3?
The table below shows the typical mass of eight animals. Plot and label these values on a log scale.
A 270-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal.
The population of a colony of rabbits grows exponentially. The colony begins with 10 rabbits; five years later there are 340 rabbits. Give a formula for the population of the colony of rabbits as a function of the time.
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In our readings, we learn more about the nature versus nurture argument. For this discussion, I want you to go in depth a bit more and debate the importance
Bearing in mind that there may be several, choose a social, behavioral, or cultural factor associated with your selected domestic violence
Problem 1: Identify a specific theory of cognitive or moral development, and summarize the major assumptions.
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Sahir is the most active student in your kindergarten class. He tends to be very disruptive when the teacher you work with is teaching the class,
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.
Early food experiences can impact development over several learning domains, including Social and Emotional Development, Language