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What's the volume of pure hydrogen present in a sample of 55.0 mL of gas saturated with water vapour at 27 °C, if the total pressure is 104.8 kPa?
Determine the volume of 0.215M KOH solution required to neutralize each of the following samples of sulfuric acid. The neutralization reaction is: H2SO4(aq)+2KOH(aq)?K2SO4(aq)+2H2O(l)
if 100.0 grams of copper cu completely reacts with 25.0 grams of oxygen how much copperii oxide cuo will form from
the urge to breathe is increased and excessive CO2 is removed from the body D. respiratory tissue is damaged by oxidation E. no problems result from this situation
Classify each of the following reactions as combination, decomposition, single replacement, or double replacement: a) CuO(s)+2HCl(aq)-->CuCl2(aq)+H2O(l); b) 2Al(s)+3Br2(g)-->2AlBr3(s); c)Pb(NO3)2(aq)+2NaCl(aq)-->PbCl2(s)+2NaNO3(aq); d)2Mg(s)+O2(g..
Determine the rate constant. b. What fraction of the initial N2O5 will remain after 13.0 h? c. What is the half-life? d. If the initial concentration of N2O5 was 0.222 M, then what concentration remain after 24 h?
When the solvent is removed from a sample solution, 3.0 mole of substance B, 7.5 moles of substance C, and 15.0 moles of substance A are left in the solution. What is the mole fraction of substance A in this new solution?
If 15 grams of copper(2) chloride react with 20grams of sodium nitrate, how much sodium chloride can be formed
The H2O molecules above and below the equatorial plane are more loosely bound. For convenience this ion is often written as Cu^2+(aq) Addition of NaOH to the Cu^2+ (aq) solution causes a precipitate of Cu(OH)2. write a balanced equation regarding ..
Suppose you inserted a piece of an unknown metal into a solution of zinc (II) nitrate and observed no reaction. Then if you inserted the unknown piece of the metal into the solution of iron (III) chloride a deposit formed on the bottom of the well..
aloh3 3hcl ---gt alcl3 3h2odetermine the moles of acid neutralized if a tablet contains 0.200 mol
linear polystyrene has phenyl groups that are attached to alternate not adjacent carbons of the polymer chain
Devise a version of the van't Hoff equation that applies to vapor pressure by writing the equilibrium constant K for vaporization.
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