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Formic acid, HCHO2, is a weak electrolyte; What are the solute particles present in aqueous solution of each compound?
Calculate the boiling point of a 2.97m aqueous solution of ethylene glycol, a nonvolatile nonelectrolyte.
when a 50.0-g nugget of pure gold is heated from 35.0 C to 50.o C, it absorbed 5200.0J of energy. find the specific heat of gold.
What effect on the value of Ca(OH)2's Ksp (6.5x10^-6 ) would sucking up some suspended calcium hydroxide solid have. Would the Ksp value be higher or lower than the normal value. Why
if 0.75 moles of cao was reacted in the above reaction and all the heat was used to heat an amount of lead from 20.5 c
What is the volume in mL of 0.664 M HCl(aq) needed to neutralize the hydroxide ions present in 32.2 mL of 0.851 M NaOH(aq).
A sample of neon gas occupies a volume of 2.8 L at 1.8 atm. What would it's volume be at 1.2 atm
A solution of ammonia and water contains 3.50×1025 water molecules and 5.80×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
Explain how you would prepare 500.0mL of a solution that is 0.100M H2SO4 from concentrated 18.0M H2SO4, which is a liquid density 1.82 g/mL.
Provide calculations and explain how 100 ml of 0.5 M NaCl in 25 mM sodium phosphate buffer, ph 8, will be prepared.
Rubidium has two naturally occurring isotopes, rubidium -85 ( atomic mass = 84.9118 amu; abundance = 72.15%) and rubidium -87 (atomic mass = 86.9092; abundance = 27.85%). Calculate the atomic weight of rubidium.
Assuming the delta S does not change with temperature, estimate the temperature at which iodine would sublime.
The dissolution of ammonium nitrate occurs spontaneosly in water 25 degrees celcius. As NH4NO3 dissolves, the temperature of the water decreases. What are the signs of Delta H, Delta S, and Delta G for this process
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