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If 20mL of .10M NaOH is added to 45mL of .20M HC2H3O2, what is the pH of the resulting solution at 25 degrees Celsius?
What is the final temperature after 336J of heat energy is removed from 25.0g of Water at 19.6C
Calculate the molar solubility of bbarium sulfate, BaSO4, in 0.010 M Sodium Sulfate, Na2SO4, solution at 25C. Compare this to the solubility of BaSO4 in pure H2O. What is the common ion?
Based on the values of the standard reduction potentials, predict what happens when adding and write the relevant equations. copper to a 1 M solution of nitric acid zinc to a 1 M solution copper to a 1 M solution of hydrochloric acid zinc to a 1 M..
How many grams of lead may be formed by the passage of 65.5 amps for 1.07 hours through an electrolytic cell that contains an aqueous Pb(IV) salt.
The (-) enantiomer of a compound has a specific rotation [a]= -86 degrees. A sample of this pure enantiomer, when measured in a two dm sample tube, gives an observed rotation
What are the direction and magnitude of the velocity of plane 1 relative to plane 2? What is the Degrees? ° north of east
The freezing point of benzene is 5.5oC. What is the freezing point of a solution of 5.00 g naphthalene (C10H8) in 444 g of benzene (Kf = 4.90oC/m)
The calculated boiling point of water in Breckenridge is 363K. What pressure would have to applied to steam at 391°C to condense the steam to liquid water
Write an overall balanced equation and a net ionic equation for the complete neutralization of aqueous H2SO4 with aqueous NaOH. Be sure to include phase designations such as (s) and (aq).
A 1L steel tank is fitted with a safety valve that opens if the internal pressure exceeds 850 torr. It is filled with helium at 23 oC and 0.991 atm and placed in an oil bath.
Nitrogen gas reacts with hydrogen gas to produce ammonia by the following equation, N2(g)+3H2(g)-->2NH3(g). a) If you have 1.80 mol of H2, how many grams of NH3 can be produced
A compound is 54.53% C, 9.15% H, and 36.32% O by mass. What is its empirical formula
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