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What mass of water will increase its temperature by 10.0 Celsius if 250 Joules of energy are added?
Phenol is a weak organic acid with Ka=1.0x10^-10. How many grams of phenol do you need to add to 500. mL of water to make a pH=5.75 solution
Considering the likely HOMO and LUMO of L-serine methyl ester, what would be the most electrophilic atom and what would be the most nucleophilic atom
As per to Trouton's rule the entropy of vaporization of a liquid at its boiling point is 88 J/K mol. Explain what is the change in boiling point expected for a liquid with a boiling point of (a) 100 degrees C (b) 200 degrees C at 101,325 Pa in goi..
a metal sample weighing 45.0 grams and at a temperature of 99.1 degrees Celsius was placed in 38.6 grams of water in a calorimeter at 25.0 degrees Celsius. The calorimeter reached a maximum temperature of 32.8 degrees Celsius.
How do you find theoretical values of pH and [H+] when the experimental value of pH is 2.87 and the molar concentration of acetic acid is 1.00*10^-1
What is the molarity of a solution obtained when a mass of 23.6 g of calcium chloride is diluted to a volume of 250 mL in a volumetric flask? The molarity is ___x10^___ M.
a sample of argon gas is at a pressure of 1.24x10^4 kpa and a temperature of 24c in a rigid 25-L tank. How many moles of argon does this tank contain?
Zinc is placed in a solution of hydrochloric acid and bubbles form. What is the composition of the bubbles? Which element is oxidized and more reactive?
Calculate the concentration of the dilute thiocyanate solutions ([SCN-]initial) using the concentration of the stock solution and the dilution equation.
The tire is filled with dry air at sea level and a temperature of 60 degree F to 32 lb/square inch.standard sea level pressure is 101325 Pa at 0 degree C (STP).
what volumes of the stock solution will you have to pipet into the flasks to prepare standards of 1.00 2.00 5.00 and
cisplatin a compound used in cancer treatment is prepared by reaction of ammonia with potassium
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