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Problem- A 0.130-mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution.
1) What is the concentration of Ni2 ions at equilibrium? Assume the formation constant* of Ni(NH3)6^2+ is 5.5 × 10^8.
Describe the answer
assuming the gases to be ideal answer the following a a vessel contains 7 grams of nitrogen and 11 grams of carbon
What would the atom ratio of 206Pb to238U be in a uranium mineral from a rock that is 1.0× 10^9 years old? t1/2(238U)= 4.5 × 10^9 yr.
Use the oxidation-number method to balance the following net ionic redox equation.
In the following procedure, we are performing an extraction with ethyl acetate. What compounds are we separating from our product? Procedure
In which reaction does the oxidation number of hydrogen change?
When 25.0ml of 0.500M H2SO4 is added to 25.0mL of 1.00M KOH in a coffee-cup calorimeter at 23.50 celcius, the temperature rises to 30.17 celsius. Calculate delta H of this reaction
Looking at the table of first ionization energy, if the n=1 shell held 3 electrons max instead of 2, then the first ionization energy for Li(g) would be around _____ MJ/mol.
1.draw a diagram on the line below which shows 2.5 transverse waves. measure the line and calculate the wavelength of a
What is the equilibrium concentration of HXY4 ^2- for a 0.15 M solution of the triprotic acid, H3XY4?
Draw the structure of the organic product that is formed when the compound shown below is treated with the following reagents
A 15 mL sample of 0.100 M Ba(OH)2 is titrated with 0.12M HCl. Calculated the equivalency point, and the pH after 5mL, 10 mL, 15 mL, and 20 mL of HCl are added.
a 0.0750 m solution of a monoprotic acid is known to be 12.4 ionized. what is the ph of the
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