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Copper is obtained from ores containing the minerals, azurite,Cu3(CO3)(OH)2, chalcocite, Cu2S, chalcopyrite CuFeS2,covelite CuS, cuprite Cu2O and malachite Cu2CO3(OH)2 which mineral has the lowest copper content as a percent mass
Molar mass has the units of grams/mole. Molar mass serves as a conversion factor between numbers of moles and mass. If you know how many moles you have, you can calculate their mass; if you know the mass of a sample, you can calculate the number o..
Methane has a Henry's Law constant (k)of 9.88 × 10-2 mol/(L·atm) when dissolved in benzene at 25°C. How many grams of CH4 will dissolve in 3.00 L of benzene if the partial pressure of CH4 is 1.48 atm?
Calculate the equilibrium concentrations for all species: B. Calculate the value of the equilibrium constant, K.
You need 70.2K to raise the temperature of 34.0 g of ammonia from 23 c to 24 c. Calculate the heat capacity of ammonia
hydroxylamine nitrate contains 29.17 mass % N, 4.20 mass % H, and 66.63 mass O. If its molar mass is between 94 and 98 g/mol, what is its molecular formula?
A solution contains 10.5 grams of unknown covalent substance in 50.0 grams of water. The freezing point of this solution is (-) 3.16 degree Celisus.
Calculate the CNaOAc and CHOAc necessary to make the desired buffer. Remember, the 0.100M specification indicates
Calcium carbonate and sand mixture with weight of 4 grams is reacted with excees of HCl results in the production of carbon dioxide then find out the percent of calcium carbonate in the original mixture?
How to Name and Define Acids, How can you know that HNO3 is nitric acid and HNO2 is nitrous acid? How do you know the difference in endings?
Rate Constant with Temperature Changes, Rearrangement of methyl isonitrile to acetonitrile has activation energy of 25.0 kJ/mol and a rate constant of 8.1*10^-4s-1 @ 80 Celsius.
The rate of reaction indicates the speed at which the reaction can occur. It can be expressed in terms of a change in the concentration of reactants or products per unit of time
How many grams of N2 are required to react with 2.30 moles of Mg in the following process?
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