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How many milliliters of a .215 M NaOH solution are needed to completely neutralize 2.50 mL of a .825 M H2SO4 solution
The relative humidity of air is equal to the ratio of the partial pressure of water in the air to the equilibrium vapor pressure of water at the same temperature
What is the concentration of an unknown water sample if the assumed resistance is 650ohms?
How do you do the problem- The pKa for lactic acid, CH3CH(OH)COOH, is 3.86. At physiological pH (7.40), which is the predominant form
What is a zymogen? Is it used over and over like other enzymes? And what is the physiological advantage
What are the main differences between the Friedel-Crafts alkylation and Friedel-Crafts acylations? Predict the Friedel-Crafts acylation products of the Lewis acid-catalyzed reaction of acetyl chloride
Calculate the voltage difference between two points of corroding iron differing only in their partial pressure of oxygen: 0.20atm of oxygen at one point and 0.0010atm of oxygen at the other
2Na + 2H2O → + H2 How many moles of hydrogen gas are produced when 0.066 mole of sodium is completely reacted?
A 2kg iron bar (c of iron is 440 J.kg .K) is heated to 80 Celsius. The bar is dipped in 5kg of water at 20 Celsius in a heat insulated container. What will be the equilibrium temperature inside the container?
For an electron in a hydrogen atom, compute the most likely radius (in Angstroms) of the electron in each of the following states:
What range of pH is suitable for this kind of buffer? Calculate the ratio of phosphoric acid to phosphate to gice you pH .= 6.8
Estimate the percent change in the volume of a sample of glycerol if it is pressurized
Calculate the percent yield for a student who completed experiment 27A and collected the following data. Give your answer to two decimal places.
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