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Assuming that the same amount of ore was used to make both unknown solutions, how much more profitable would the copper-rich mine be? Would it be worth paying 30% more for the better ore? Explain and support with calculations.(2 potential copper mines(labeled site A&B), the concentration of site A is 0.670mg/ml, site B's is 1.39mg/ml. Sites that are profitable to mine typically contain 0.4-1.0 % Cu)
in a certain experiment 28.0 ml of 0.250 m hno3 and 53.0 ml of 0.320 m koh are mixed. calculate the amount of water
Suggest a reason why the equilibrium between succinic acid and acetic anhydride lies on the side favoring formation
Draw the Lewis structure for SO42- and determine the formal charge on all 5 atoms in this polyatomic anion.
Determine the boiling point of an aqueous solution that is 2.50 m ethylene glycol. Kb for water is .52 C/m. Assume the boiling point of water is 100 degrees Celsius.
what mass of carbon should be produced if the tums were pure calcium carbonate? this is theoretical yeild. equation
The wavefunction will become ionized d. The parity of the wavefunction will go to zero e. the sign might change f. the particles become fermions g. The wavefunction will invert around a center of inversion h. nothing may happen
Problem- Calculate the pH at the equivalence point for the titration of 0.220 M methylamine (CH3NH2) with 0.220 M HCl. The Kb of methylamine is 5.0* 10^-4.
a gas with a volume of 525 ml at a temperature of -25 celsius isheated to 175. what is the new volume of the gas if
When 50.0 grams of metal at 75.0 °C is added to 100. grams of water at 15.0 °C, the temperature of the water rises to 18.3 °C. Assume that no heat is lost to the surroundings.
Plan and Design Lab: To Determine the water of crystallization in hydrated copper (2) sulphate. Hence determine the formula CuSO4.xH2O.
In Organic synthesis, we are often using drying agents such as sodium sulfate, magnesium sulfate, etc. to dry our solutions. Which of the following is true? (There are more than one correct answers)
Explain what is the total weight of the cargo ship (in kg) with its present load? Utilizing the formula for the volume of a cube, explain what is the ships overall density (in g/mL)
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