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Lead(II) sulfide, is the principal source of lead. To acquire the lead, the ore is first heated in the air to form PbO.PbS + 3/2 O2 ----> PbO + SO2 Change of Heat: - 415.4 kJThe oxide is then reduced to metal with carbon.PbO + C -----> Pb + CO Change of Heat: + 108.5 kJCompute change of heat for the reaction of one mole of lead(ll) sulfide with oxygen and carbon, forming lead, sulfur dioxide, and carbon monoxide
A mixture of gases contains 10.30g of N2 , 1.79g of H2 , and 8.15g of NH3. The total pressure of the mixture is 1.95 atm. What is the partial pressure of N2
A student is given a soluble sodium salt containing one of eight possible anions (negative ions): acetate, chloride, bromide, iodide, sulfide, sulfate, or phosphate. the student adds some BaCl2 solution to the salt solution.
assume that you wanted to prepare a small volume of purehydrogen by reaction of lithium metal with water. how many
the equilibrium constant kc for the following reaction is 2.18x106 at 730degrees c.h2g br2g 2 hbrgstarting with 3.00
if 4.00 grams of water at an initial temperature of 1.00 degrees c absorbs 33.00 joules of heat by how many degrees c
Calculate the initial concentration of the colored reactant if the absorbance is 0.605 at the beginning of the reaction.
Consider the monohybridization of 2-methylhexane using Br2 and UV light, how many unique halide products could be formed during this reaction
The evaporation of water H2O(l) ->H2O(g) is endothermic: Change in T degree +44.01 kJ Determine the minimum mass of water (in ) has to evaporate to absorb 183 joules of heat?
If the symbol X represents a central atom, Y represents outer atoms, and Z represents lone pairs on the central atom, the structure Y--X(with 2 lone pairs)--Y can be abbreviated as XY2Z2
write the full mechanism and balanced equation for the reaction of horseradish peroxidase as an enzyme
The size of a diamond is measured in carats. (1 carat=.200 g) The density is 3.51 g/cm3. How many carats is a diamond that measures .
During the dehydration reaction when acetaldehyde was reacted with KOH in ether, an intermediate was formed. What was this intermediate that was eventually converted to the final product?
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