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How much time is required to produce 200g of aluminum metal from molten aluminum oxide dissolved in cryolite, if you use a 12amp current
Describe an apparatus by which azeotrope formation can be used to drive the equilibrium toward the products, thus maximizing the yield.
An element has ccp packing with a face-centered cubic unit cell. Its density is 11.4 g/mL and the unit cell volume is 1.21 x 10-25 L. Calculate the molar mass (g/mol) of the element to three significant figures.
Questions on chemical equations - Write a balanced equation for this reaction. Include the states of matter for each compound.
Determine the change in entropy for the following reaction: SO3(g) + H2O(liquid) = H2SO4(liquid) Given:The following values of Standard Entropy at 25 deg C: SO3 = 256.2 Joules/K mol H2O = 69.9 Joules/K mol H2SO4 = 156.9 Joules/K mol
Sodium bicarbonate is called baking soda because when heated, it releases carbon dioxide gas, which is responsible for the rising of cookies, doughnuts, and bread. Calculate the volume (in liters) of carbon dioxide by heating 4.37 g of sodium bica..
Please balance the following equation at 25 degrees C by writing the correct coefficients in the spaces provided
Calculate the percent composition of copper in the hydrate CuSO4.5H2O based on atomic weight data.
Write the half reactions and the overall cell reaction for each of the following voltaic cells: a)Al(s)/Al^3+(aq)//Cd^2+(aq)/Cd(s) b)Sn(s)/Sn^2+(aq)//Fe^3+(aq),Fe^2+(aq)/C (graphite)
If it takes 8.5 for the concentration of to decrease from 0.90 to 0.45 , how many hours are required for the concentration to decrease from 0.40 to 0.10
What effect does the presence of lone-pair electrons have on the bond angles and the geometry of a molecule?
Compounds in a and b were named incorrectly. On a sheet of paper draw the molecule that fits the given description. From the structure you drew determine the correct IUPAC name. Write the correct IUPAC name in the blank.
What is the pH of the resulting solution when 25 mL of 0.10 M NaOH is added to 25 mL of 0.25 M HNO3?
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