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500.0 mL of 0.120 M NaOH is added to 595 mL of 0.250 M weak acid (Ka = 2.95 × 10-5). What is the pH of the resulting buffer?
Treating the atom as a cube, and assuming no empty space in the solid, estimate the length (in A) of an atom of B in alpha-rhombohedral boron using the data
What volume of hydrogen gas is produced when 83.8 g of iron reacts completely according to the following reaction at 25oC and 1 atm.
Describe a way to differentiate between the two using a solution of Na2CO3 and write the correct balanced equation
Calculate the concentrations of all species in a 1.66 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
what is the distribution coefficient for compound A that is soluble in diethyl ether to the extent of 20g/100ml at room temperature and soluble in water to the extent of 5.0g/100ml at the same temperature
1. Which kinds of alcohols produce aldehydes when oxidized 2. Which kinds of alcohols produce ketones when oxidized
what mass of sucrose should be combined with 508 of water to make a solution with an osmotic pressure of 8.60 at 310 ?
Why is it important to the place the thermometer bulb at in the lower part of the Hickman still head? What will happen if you place it either a)too low
The pH at the ½ neutralized point in the titration of a weak acid is 6.824. What is the pKa of this acid
Write a balanced nuclear equation for the alpha decay of each of the following radioactive isotopes.
Problem- Decide if the compound/ion listed can satisfy the octet rule (duet rule for H), if so choose Satisfies Octet Rule from the drop down menu. If the compound/ion cannot satisfy the octet rule for one of the atoms in the formula
Which one of the following derivatives of ethane has the highest boiling point?
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