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Determine the PH of each of the following a) 10mL of .2M Acetic acid and 1.00mL of .1M sodium hydroxide, and 9.0 mL of distilled water? B) 10 mL of sodium acetate and 1.0mL of .1M HCL and 9.0 mL of distilled water? pKa of acetic acid is 4.74
how much heat is absorbed when 63.7g h2o at 100 c and 101.3 kpa is converted to steam at 100 c.
An old synthetic procedure starts by calling for fifteen kilo grams of sulfuric acid. If your largest reaction vessel holds ten litres, can you put the fifteen kilograms of acid into the vessel, or would you require to scale down the reaction reag..
Suppose that a sample of gas occupies 192 mL of volume at 25C and a pressure of 206 torr. What would be the volume if the pressure were changed to 506 torr at 25C.
Calculate the volume of 0.540 M sodium hydroxide solution contains 11.5 grams of sodium hydroxide?
The half-life of a certain radioactive element is 1250 years. What percent of the atoms remain after 7500 years?
A 29.0-g sample of water at 270. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
calculate the freezing point of a nonionizing antifreeze solution containing 388 g ethylene glycol, C2H6O2 and 409 g of water.
When 284.5 g of ethylene (C2H4) burns in oxygen to give carbon dioxide and water, how many grams of CO2 are formed?
How many different aldols (b-hydroxyaldehydes), including constitutional isomers and stereoisomers,
A sealed balloon is filled with 1.00 L of helium at 23 degrees celsius and 1.00 atm. The baloon rises to a point in the atmosphere where the pressure is 220 torr and the temperature is -31 degrees celsius.
A chemical reaction in which the atoms of the reactants undergo a change in the oxidation state is called a redox reaction. Such involve both oxidation (increase in oxidation state) and reduction
Suppose that a 4.0 L sample of gas at 1.0 atm is heated from 44°C to 53°C, during this process the volume doubles. What will the final pressure of the gas sample be
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