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Compute the wt% Ag in ideal prousite (Ag3AsS3). What is the maximum quantity of silver (in try ounces) that can be extracted from a ton of ore containing 90 wt % quartz and quartz and 10 wt % ideal prousite ? 1 oz troy = 31.10323 g; 1 short ton = 2000 lb = 29.166.67 oz. troy.
Identify the group of elements that corresponds to each of the following generalized electron configurations and indicate the number of unpaired electrons for each:
methyl alcohol ch3oh is made by reacting carbon monoxide with h2. starting with 2.5 g of h2 and 30 l of co what mass of
THE IONIZATION ENERGY OF HYDROGEN. In a normal hydrogen atom, the electron is in the lowest energy state. The maximum energy that a hydrogen atom can have is 0 cm-1
Calculate the equilibrium constant for the following reaction: (Ka of HCOOH = 1.7 x 10^-4) HCOOH (aq) + OH-(aq) HCOO-(aq) + H2O(l)
The enthalpy of vaporization of water at 373 K and 1 bar is 40.7 kJ/mol and the molar heat capacities are 75.3 J/(mol K) for liquid and 33.6 J/(mol K) for gaseous water. Find the enthalpy of vaporization of water at 273 K and 1 bar.
Explain how some solids (compounds that are solids at room temperature) can be analyzed by gas chromatography. Also, how can they be introduced into the injector port and column
A red laser pointer emits light with a wavelength of 650 nm. What is the energy (in J) of a photon of light of this wavelength?
bathed by an atmosphere of nitrogen at 77K and 1 bar? Assume every nitrogen molecule that strikes the surface sticks and that a nitrogen molecule covers an area of 1.1e^5 pm^2.
When solid Ca(CH3COO)2 is dissolved in a nearly saturated solution of Ca(CH3COO)2 the solution becomes warmer. This information indicates that if the temperature of a solution is decreased
Approximate the heat of reaction for the following equation using thermodynamic tables: CuO (s) + AgNO3 (aq) ? Cu(NO3)2 (aq) + Ag2O (s) hint: Write the net ionic equation first.
Give explanation why it is not practical to evaluate the solubility of the two salts AX and BY2, by simply comparing the solubility product constants?
The standard enthalpy of formation of the metallocene bis(benzene)chromium was measured in a calorimeter. It was found for the reaction Cr(C6H6)2(s) → Cr(s) + 2 C6H6(g)
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