Predict the products for each reaction and write a balanced equation.
a. \(\mathrm{NH}_{4} \mathrm{NO}_{3}(a q)+\) heat
b. \(\mathrm{NO}_{2}(g)+\mathrm{H}_{2} \mathrm{O}(l)\)
c. \(\mathrm{PCl}_{3}(l)+\mathrm{O}_{2}(g)\)
Text Transcription:
NH_4NO_3(aq) +
NO_2( g) + H_2O(l)
PCl_3(l) + O_2( g)
CHEM201:ComprehensiveNotes,Week3Fall2017 • Liquidreagents o Solutionsaremadeofasoluteandasolvent § Solute:smalleramount § Solvent:greateramount o Percentconcentration=mass/volumeofsolutex100 sumofmasses/volumesofallcomponents o Molarity=M=molesofsolute litersofsolution o Example:Youhave50.0mLofasolutionofK SO wh2ch4hasaconcentrationof 0.4963MK S2 .4owmanygofBaCl doy2uneedtoreactwithK SO 2 4 § BaCl 2+K 2O 4àBaSO +4KCl § 50.0mL•0.4963mol•1L•1molBaCl •208.2gBaSO =5.17gBaCl 2 4 2 1L 1000mL1molK S2 41molBaSO 4 • Water(H O2isanimportantandfascinatingmolecule o Oftencalledtheuniversalsolvent • Solubility o Somemoleculedissolvesatasignificantextent o Example:DissolvingNaClinwater + - § NaClàNa (aq)+Cl (aq) § ThepositiveendsoftheH OmoleculespulltheCl ionsaway 2 + § ThenegativeendsoftheH O2oleculespulltheNa ionsaway § Thewatermoleculessurround