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A sample of nitrogen gas has a volume of 3.0 L at 25 degrees Celsius and 720 torr. What would the volume be at STP? (Hint: This is a combined gas law question).
a student combusted 0.500g al with oxygen according to the reaction 4als3o2g2al2o3s what is the limiting reactant? how
What would be the best technique to determine if you have done a SN1 or SN2 reaction of a pure R molecule?
Draw the molecule by placing atoms on the grid and connecting them with bonds. Show the formal charges of all atoms in the correct structure. Include all lone pairs of electrons.
When 0.25 mol of the metal, M, reacted with an aqueous HCl solution (the HCl is in excess), the temperature of the solution rose.
If 157 of wet is collected over water at 24 degrees C and a barometric pressure of 737 Torr , how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 Torr)
The absorption spectrum of the complex ion [Rh(NH3)6]3+ has maximum absorbance at 295 nm. Calculate the crystal field splitting energy (in kJ/mol) for this ion.
Calculate the E0 for the dissolution of aluminum in copper (II) chloride.
Calculate the rate constant for a reaction at 500K whose activation energy is 24.0 kJ/mol and the prefactor is 4.11 x 10-1
When 12.0 mL of a 2.89E-4 M barium acetate solution is combined with 18.0 mL of a 5.24E-4 M sodium carbonate solution does a precipitate form
Problem- In a hurry to complete the experiment, Joseph failed to calibrate the spectrophotometer. As a result, all absorbance values for the standard solutions that are measured and recorded are too high. How will this affect the following for the..
A red blood cell is placed into each of the following solutions. Indicate whether crenation, hemolysis, or neither will occur.
Potassium-40 has a natural abundance of 0.0118%. Explain how many atoms of potassium-40 are present in a 1.35 g sample of KCl
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