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A 25.00 mL sample of the weak acid, propionic acid, HPr, of unknown concentration was titrated with 0.104 M KOH. The equivalence point was reached when 35.31 mL of base had been added. The concentration of the original HPr is
Write balanced molecular equations for all of the chemical reactions involved in the copper cycle experiment. There are eight of them. (Note that four reactions are descibed in the recovery
The vapor pressure of liquid chloroform, CHCl3, is 400.0 torr at 24.1°C and 100.0 torr at -6.3°C. What is Hvap of chloroform?
Working with ideal gas law, The pressure of a sample of gas at a constant temperature of 25 degrees C is increased from 1.0atm to 1.3atm
What is the name of the compound (NH4)3PO3? Why is special about this compound? Choose one answer. a. Ammonium phosphate; this covalent compound is made up of two polyatomic ions, ammonium and phosphate.
given that Go = 5.02 kcal/mol for the complete reaction catalyzed by isocitrate dehydrogenase and that Go = 4.71 kcal/mol for the nonoxidative decarboxylation of oxalosuccinate, oxalosuccinate + H+ ----> CO2 + a-ketoglutartate.
You will start with 500 mg of one of isoamyl acloho to make isoamyl acetate. While the alcohols are liquids, we will measure them by mass directly on the balance, not by volume (i.e. the density of the alcohol will not be used; pretend the alcohol..
If a 0.350g tablet of NaOH is added to 100ml of 0.6 M H3PO4, how much water will be produced?
calculate the density and # of moles of a 10% Bromine Solution used in an experiment. Does the 10% refer to v/v or g/v in solution? I used 350 ul of the Bromine Solution
Rate constant at a temperature of 37.8 Celsius is precisely three times that at 25 Celsius. Determine the activation energy in kJ/mol
What types of limitations and obstacles must any plausible origin of life scenario overcome, and why did Crick believe life couldn't have formed on Earth?
Find molarity, molality, percentage composition, boiling and freezing point of a solution - What are the boiling and freezing points of the solution?
A 93.7 g (5.20 mole) sample of water is heated to exactly 94.4 celsius. It is then added to 90.1 g (5.00 mole) of water at 22.5 celsius in a styrofoam cup calorimeter.
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