3. the enthalpy of sublimation at 25 c is 148 kJ/mole. how much heat (at constant temperature and pressure) must be supplied to 1.00 g of solid magnesium metal to produce a gas composed of mg2+ ions and electrons? molar mass of magnesium is 24.31 g/mole. Sublimation Mg)- Mge AH = +148 KJ/mole First ionization Mg Mg +e AH=+738 KJ/mole Second ionization Mg g Mg"@+e AH=+1451 KJ/mole Overall (sum) Mgo-Mg"+2e AH = ?

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Chapter1: Chemical Foundations
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3. the enthalpy of sublimation at 25 c is 148
kJ/mole. how much heat (at constant
temperature and pressure) must be
supplied to 1.00 g of solid magnesium metal
to produce a gas composed of mg2+ ions
and electrons? molar mass of magnesium is
24.31 g/mole.
Sublimation Mg- Mgo
AH =+148 KJ/mole
First ionization Mge- Mg*e +e AH=+ 738 KJ/mole
Second ionization Mge- Mg*o+e AH=+1451 KJ/mole
Overall (sum) Mg)-Mg"@+2e
AH= ?
Transcribed Image Text:3. the enthalpy of sublimation at 25 c is 148 kJ/mole. how much heat (at constant temperature and pressure) must be supplied to 1.00 g of solid magnesium metal to produce a gas composed of mg2+ ions and electrons? molar mass of magnesium is 24.31 g/mole. Sublimation Mg- Mgo AH =+148 KJ/mole First ionization Mge- Mg*e +e AH=+ 738 KJ/mole Second ionization Mge- Mg*o+e AH=+1451 KJ/mole Overall (sum) Mg)-Mg"@+2e AH= ?
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