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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 bromine-producing plant how many liters of gaseous elemental bromine at 300 degrees celcius and 0.855 atm are
write down the chemical equations when benzene reacts with water and balanced it also explain what happens when this
A 100.0-g sample of water at 27.0oC is poured into a 75.0-g sample of water at 89.0oC. What will be the final temperature of the water?
A tank of oxygen holds 14.0L of oxygen (O2) at a pressure of 30.0atm . When the gas is released, it provides 230.L of oxygen. What is the pressure of this same gas at a volume of 230.L and constant temperature?
You have prepared a saturated solution of at 20 degree celcius using 31.0 of water. How much more solute can be dissolved if the temperature is increased to 30 degree celcius.
Therefore an answer in U.S. customary units, such as miles per hour would not be accepted as correct. A car traveling with constant speed travels 150 km in two hours. What is the speed of the car?
How many moles of iron(III) hydroxide are needed to react with excess nitric acid to produce 67.0 g iron(III) nitrate
consider two jars. one jar contains 100 blue spheres and the other jar contains 25 each of red blue green and yellow
tincture of iodine is i2s dissolved in ethanol c2h5oh. a 1 solution of tincture of iodine is 10.0 g of solute for 1000.
streptomycin is an antibiotic produced by soil microbes. if 50.0ml of a solution containing 0.01370g of the
how many molecules of oxygen gas are needed to react with 4.2 moles of C3H8O?
You add 1 mL of 1 M HCl to the buffer. Calculate the molarity of H30+ added as HCl, and the final molarities of acetic acid and acetate ion at equilibrium. What is the new value of pH?
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