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A student accidentally mixed small pure white crystals of napthalene into a small vial containing small white crystals of disodium malonate. What can she do to purify the disodium malonate away from the naphtalene quickly?
56.0 mL of 3.50 M sodium hydroxide is combined with 36.0 mL of 1.50 M magnesium chloride. What mass in grams of solid forms
Gasoline is composed primarily of hydrocarbons, including many with eight carbon atoms, called octanes. One of the cleanest-burning octanes is a compound called 2,3,4-trimethylpentane, which has the structural formula shown in the figure.
For the following reactants, predict the products formed (if any) and write the balanced molecular equation, complete ionic equation and net ionic equation. NaHSO3(aq)+HI(aq)
Which of the following has a dipole moment. A) CO2 B) BCl3 C) BrF3 D) more than one of these E) none of these
Suppose that 25g of each of the following substances is initially at 27.0 degrees C. What is the final temperature of each substance upon absorbing 2.30kJ of heat
1- what is the difference between the geometric arrangement of electron pairs and the geometric arrangement of atoms?
C5H5N, and 0.350 moles/l in pyridinium chloride, C5H5NHCl you are given a kb value of 1.7 x 10^-4 for pyridine find the ph of this solution using this kb value
Consider the solution reaction AlCl3 + 3AgNO3 -> 3AgCl + Al(NO3)3. What volume of 0.100 M AlCl3 will exactly react with 55.0 mL of 0.162 M AgNO3?
When a system is in a state of chemical equilibrium, a state of apparent rest, is anything going on at the molecular
a sample consisting of various gases contains 3.8times10-6 mole fraction of radon. this gas at a total pressure of 31
a 12.09-g sample of solid sodium bicarbonate completely decomposes into solid sodium hydroxide and carbon dioxide gas when heated.
What would happen to the A450 value for a smaple which include : 1mL of 0.0025M Fe(NO3)3 + 1mL of 0.0025M KSCN + 5.0mL of 0.1M HNO3 if you accidentally added 5 drops of disodium hydrogen phosphate
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