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Because a coffee-cup calorimeter is a constant-pressure device, the heat calculated after a calimetry experiment is equal to the enthalpy change for reaction. Use the thermochemical data to calculate the enthalpy chanfe for the reaction of NaOH and CH3COOH.
Calculate the molar concentration of OH- ions in a 0.550 M solution of hypobromite ion (BrO-; Kb=4.0 x 10^-6). What is the pH of this solution?
what is the balanced equation with notations for steam reacting with solid carbon to form the gases carbon monoxide and hydrogen.
an aqueous soultion of uknown salt of ruthenium is electrolyzed by a current of 2.50 amps passing for 50 min. if 2.618 g Ru is produced at the cathode, what is the charge on the ruthenium ions in solution?
Synthesis of Nylon: Relative Reactivities of Acid Chloride, Acid Chlorides are known to be reactive towards water, however successful polymer preparation can be made with 5% aqueous
If an electrode has a potential of â€"0.005 V with respect to a S.C.E., what is the potential with respect to a sliver-silver chloride electrode?
A student studied the clock reaction described in this experiment. She set up a reaction mixture by mixing 10mL of 0.010 M KI, 10mL of 0.0010 M Na2S2O3, 20mL of 0.040 M KBrO3 and 10 mL of 0.10 M HCL.
Lipids (fats) are esters of long chain fatty acids and glycerol. Similarly, describe the general structures of proteins and carbohydrates.
Write the half-cell reaction for the oxidation. Write the half-cell reaction for the reduction. Write the balanced equation for the cell reaction. Keep substances in the order given in the original equation.
how many atoms are in a small piece of aluminum foil that has a mass of 0.100 g? the mass of an atom of aluminum is 27.0 amu
A stock solution of NaCl is made taking 150.2g in enough water to make 200.0ml. A 10.00 ml sample of this stock solution is diluted to 250.0 ml.
What are some reasons why there would be a difference between the expected and actual values for the moles of copper oxide produced from heating copper in the air.
how do you find the mass of one mole of spilt pea using the mass of .069 nd Avoadro's number (6.02x1023rd).
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