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Determine the numbers of moles of iron that would be formed from 6.2 moles of CO (carbon monoxide) combining with excess of iron (III) oxide (Fe2O3)?
Determine the number of molecules of carbon monoxide is required to react with excess iron (III) oxide (Fe2O3) to form 11.6 grams of iron (Fe)?
In which pair of substances below does the substance with the greater entropy not follow the substance with the lesser entropy
how does the strength of the attraction between water molecules and sodium and chloride ions compare with the strength
Calculate the number of moles of Cl atoms in 1.20×1024 of magnesium chloride, MgCl2.
How many hemoglobin molecules are there in an average red cell? Assume that the molecular weight of the human hemoglobin tetramer is 65 kd. (The answer is 2.74x10^8, but I don't know how to calculate it)
Compute the amount of heat needed to completely sublime 43.0 grams of solid dry ice at its sublimation temperature. (The heat of sublimation for carbon dioxide =32.3).
Why we add buffer 7 and 1:4 toluene and 2-propanol to crude oil ahead of titrate with Cdcl2 to dtermine H2S in crude oil.And can toluene and 2- propanol be replaced with other solvent in terms of cost and safety.
In this experiment the choice of precipating reagent is important. briefly explain what the consequences would be if excess 6M NaOH solution instead of 6M NH3 solution were used to seperate Fe3+ and Al3+ ions from Ca2+, Cu2+, and K+ions at pH9-10...
Construct a table that shows the relationship among the group number, valence electrons lost or gained and the formula metallic
0.0431 moles of sucrose c12h22o11 are dissolved in 400.0 grams of h2o. the solution density 1.013 gml and suppose that
What is the difference between the molecular geometry
if 5 moles of propane and 10 moles of oxygen are sealed in a container and burned which reactant will be the limiting
Consider the following cell: Pt|H2(g, 0.645 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.20 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V.
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