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What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 30 A?
An unknown white solid is either NaC2H3O2, AgNO3 or BaCl2. The white solid dissolves in water. The dissolved unknown precipitates when either aqueous potassium carbonate or aqueous lithium bromide is added. What is the unknown
Starting with acetylene and any other necessary reagents, propose a synthesis for 1,2-dibromobutane
Write the balanced molecular equation using K+ and Cl- as the spectator ions. If you were to balance the following equation that occurs in basic solution, how many electrons are being transferred overall?
In the laboratory, a student named Georgia weighed 4.75 grams of an unknown solid mixture containing benzoic acid, copper (II) sulfate and sand. She added 15mL of acetone to her sample. Which component of the mixture is dissolved in the acetone?
calculate the molecular weight of Isoamyl acetate with a density of 0.876. Then calculate the theoretical yield of isoamyl acetate in ml, grams and moles. Show all work and calculations.
What is the electron configuration of the atom in the third row of the periodic table that has the smallest ionization energy?
What is the change in entropy of a system consisting of one mole of ideal gas when it is expanded isothermally and reversibly from a pressure of 6 bar to 2 bar at 275 K? What is the change of entropy of the surroundings?
Calculate the value of E°cell for a voltaic cell described in each of the following. Enter your answer with 3 significant digits. Enter scientific notation as 1.23E4. (a) Br2(l) is reduced to Br
carbon monoxide and 10% remains undurned. Calculate the compostion of the exhaust gas on a wet basis.
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structure. ClO4 -
cadmium borate solution is mixed with 147.3 mL of a 0.606 M cadmium borate solution. Assuming volumes are additive, what is the molar concentration of cadmium ion in the resulting solution?
Estimate the temperature needed to achieve the fusion of deuterium to make an alpha particle. The energy required can be estimated from Coulomb's law
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