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Methane and hydrogen sulfide form when hydrogen reacts with carbon disulfide. Identify the excess reagant and calucate how much remains after 36 L of H2 reacts with 12 L of CS2.4H2 + CS2 --> CH4 + 2H2S
In a 0.1 molar solution of NaCl in water, which one of the following will be closest to 0.1?" A) the mole fraction of NaCl B) The mass fraction of NaCl
The formula for the volume of a sphere is V=4(3.167)r^3/3. Assuming a spherical shape, calculate the mean diameter of a blood cell in centimeters.
Benzoic acid dissociates in water: C6H5COOH + H2O ==== H+ and C6H5COO- The pKa of this reaction is 4.2. In a 0.53 M solution of benzoic acid, what percentage of the molecules are ionized
How many liters of water are required to dilute 6.23mL of 12.2M HClO4 to make a solution with a pH of 2.34? Write your answer as 1.2E1L
what molar ratio of benzoate ion to benzoic acid would be required to prepare a buffer with a ph of 5.20? kac6h5cooh
A galvanic (voltaic) cell consists of an electrode composed of aluminum in a 1.0 M aluminum ion solution and another electrode composed of copper in a 1.0 M copper(II) ion solution, connected by a salt bridge. Calculate the standard potential for ..
Write out the additional equations you would need to consider. d. Confirm that the number of equations is equal to the number of unknowns.
calculate the molar heat of the combustion of methanol. The answer is in kJ/mol. I really need someone to explain to me step by step on how to do these types of problems. I'm having a hard time understanding how to do these types of problems.
the value of eo for the following reaction is 0.63v. what will the cell potential be when the zn2 0.00020m and the pb2
A 2.0 milliliter sample of KOH solution is neutralized by 4.0 milliliters of a 3.0 M HCl solution. What is the concentration of the KOH solution
Organic Reactions - Cyclopentadiene, Why is cyclopentadiene monomer more stable at higher temperatures although dicyclopentadiene (dimer) is more stable at lower temperatures?
calculate the standard emf of a cell that uses the mgmg2 and cucu2 half cell reactions at 25 deg c. what is the
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