Estimate the number of grams of aluminum formed
Estimate the number of grams of Aluminum formed in one hour by the electrolysis of molten AlCl3 if the electrical current is 10.0 A. (A=amps=C/s)
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Calculate the theoretical yield of H2S in moles if the 4.0 molAl2S3 and 4.0 mol H2O are reacted according to the following balanced reaction when a possibly useful molar mass is Al2S3 =150.17 Al2S3(s)+6H2O(l)-->2Al(OH)3(s)+3H2S(g)
You drop the ball from top of the building which is 144 feet high. If ball bounces back to 2/3 of height is falls each time. How many feet will ball have travelled after ten bounces?
A pair of fair dice is cast. Determine the probabiliy which one of the numbers falling uppermost is a 5, given that two numbers falling uppermost are different?
Estimate the value of pH? Determine the numbers of grams of KOH must be added to 0.500 L of the buffer to change the pH by the 0.15 units?
When 50.0 mL of a sodium chloride solution and 100.0 mL of a silver nitrate solution were mixed in a constant pressure calorimeter, the temperature of the mixture rose from the 21.15 degrees C to 25.20 degrees C.
Provide the outline for all the chair conformations of 2-tert-butylcyclohexanol. Find out the cis and trans stereoisomer and circle the least stable conformation and explain your choice.
When making a complex ion, for a first row transition metal would you take the electrons out of the 4s or 3d first? It seems like since you fill 4s first you would not take them out until after all the 3d's but my TA said to take out the 4s first.
At 71.2°C a coffee-cup calorimeter contains the 65.0 g of water. At 20.2°C a 15.0 g piece of metal is placed in the calorimeter. The final temperature of the water and the metal is 69.3°C.
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