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Copper is elctroplated from CuSO4 solution. A constant current of4.00 amp is applied by an external power supply. How long will it take to deposit 1.00x10^2 g of Cu? The atomic mass of copper is 63.546.
liquid heptane c7h16 burns in oxygen gas to yield carbon dioxide and water. what mass of carbon dioxide is produced
Calculate the molar solubility of Ca(IO3)2 in each solution below. The Ksp of calcium iodate is 7.1x10^-7. a.) 0.065 M Ca(NO3)2 b.) 0.065 M NaIO3
an aqueous solution of a nonelectrolyte boils at 100.32c. what is its expected freezing
An acetate buffer has a pH of 4.40. Which of the following changes will cause the pH to decrease?
what is the energy of a mole of photons associated with light of frequency 6.65x10^14 Hz? Can you show all steps please.
1.75 pounds of pasta dough with a density of about .84g/cm^3 how many feet of 2" wide, 1/32" thick lasagna noodles can be made
Given the parent compound, draw the mass spectrum fragment that is observed at m/z 77. Include any hydrogen atoms and the charge. The compound given is a cyclohexene with double bonds at every other one. It also has a chlorine coming off one of th..
The cereal sample without adding complexing agent was used as blank when measuring cereal sample. Why cannot we use DI water?
Which of the following is not an intermolecular force? A. London dispersion forces B. hydrogen bonding C. dipole-dipole forces D. ionic bonding
concentrated hydrochloric acid is 38 hcl by weight and has a density of 1.19 gml. a solution is prepared by measuring
The density of methyl salicylate is 1.18 g/mL at 20 degrees Celsius. Determine the limiting reactant and explain why it is the limiting reactant.
What minimum pressure must be supplied to a reverse osmosis water purification system in order to overcome the osmotic pressure in water that is 1.24 M in total dissolved ions at 16 C?
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