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What is the pH of a 1.2 x 10-4 M solution of KOH? What is the hydronium concentration of this solution?
Give the molecular formula of a hydrocarbon containing five carbon atom containing five carbon atoms that is (a.) an alkane, (b.) a cycloalkane, (c.) an alkene, (d.) an alkyne
A sample of Nitrogen gas occupies 1.55L at 27.0 degrees C and 1.00 atm. What will the volume be at -100.0 degrees C and the same pressure?
The individual standard electrode potentials do not indicate anything about tendency to gain electrons. The cell potential of the entire cell does.
What is the pH at the equivalence point? what is the pH at the 10.0 mL base added? what is the pH at the 30.0 mL base added?
Predict the normal boiling point of pure B (in degrees Celcius) given that deltaHvaporization(Pure B)=67.9kJ/mol.
Why is HC2H3O2 not a good conductor or strong electrolyte?
It gave a mixture of MgO and ZnO that had a mass of 1.409g. What mass of An was there in the original mixture?
Will the concentration of Ni2+ increase or decrease as the cell operatres? c. What is the initial concentration of Ag+ in the cell?
Repeat for 0.1 M Zn^2+ in 3 M OH- 3. What is the appropriate % if complexed iron in a 0.1 M Fe3+ solution containing 1 M KSCN?
With what minimum speed must Fran leave the ground in order to lift her center of mass 1.95 m and cross the bar with a speed of 0.70 m/s?
In a calorimeter, 10 g of ice absorbs heat with an enthalpy of fusion of 334 J/g. What is the heat absorbed.
A 40-year old weighs 150 lb experience abdominal pain and says he consumed two 12oz bottle of beer. The alcohol in the beer is about 5 % alcohol and he said he was drinking over a hour.
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