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Utilize the atomic radius (70 pm) and density of neon at 25 C and 1 atm (.90 g/mL) to Compute the average density of a neon atom
When 0.062 moles of ammonium sulfate ((NH4)2SO4) are dissolved in enough water to make 200 milliliters of solution, how many ammonium ions are present.
aluminum has a specific heat of 0.900 jgmiddotdegc. how much energy is required to raise the temperature of 160. g of
What is the molality of glycerol in a solution of 2.05 g of glycerol (C3H8O3) and 80.3 g of ethanol (C2H6O)
Exactly 100 mL of 0.15 M HNO2 is titrated with a 0.15 M NaOH solution. What is the pH at the equivalence point. The Kb of NO2- is equal to 2.2 x 10-11.
How many moles of excess base are present? How many additional mL of 0.100 M HCl would be required to neutralize the solution?
What two atomic orbitals or hybrid atomic orbitals overlap to form the CC bond in ethylene
How many kilojoules of heat are required to melt a 10.0-g popsicle at 0 C? Assume the popsicle has the same molar mass and heat of fusion as water.
Calculate the total enthalpy change in the first stage and in both stages
In 1978, scientists extracted a compound with antitumor and antivirus properties from marine animals in the Caribbean Sea. A sample of the compound didemnin-A
In lab we are doing chemical kinetics. We started off with 0.7550 M of Oxalic acid and then added water and 0.1300 M of Permanganate. For the first trial, 5 mL of Oxalic acid was used, then 6 mL of water were added and then 1 mL of Permanganate we..
if it contained fifteen times as much hydrogen carbonate ion as carbonic acid then determine what would the ph of blood
If 4.00 mol of calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2), a gas used in welding, will be produced.
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