Chapter Five - Philadelphia University...NaOH + HCl NaCl + H 2 O 2NaOH + H 2 SO 4 Na 2 SO 4 + H 2 O •The reaction should be rapid. Most ionic reactions are very rapid. •There should
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Aula #07 · A Comparison of DH and DU DH 2Na (s) + 2H 2 O (l) 2NaOH (aq) + H2 (g) DH = -367.5 kJ/mol DU DH = DU + pDV DU = DH-pDV DU ≡DH-Dn(g) RT = -367.5 - 2.5 = -370.0 kJ/mol
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MARK SCHEME MAXIMUM MARK: 40 Levels/Chemistry (9701...2O 3 P 2O 5 (or P 4O 10 or P 2O 3) SO 2 or SO 3 (1) (ii) Na 2O + H 2O → 2NaOH (1) (iii) 2NaOH + SO 2 → Na 2SO 3 + H 2O (1)
A Comparison of H and E 2Na (s) + 2H 2 O (l) 2NaOH (aq) + H 2 (g) H = -367.5 kJ/mol E = H - P V At 25 0 C, 1 mole H 2 = 24.5 L at 1 atm P
mariyaschools.com · 2019-04-03 · In an experiment, 25.0cm3 of aqueous sodium hydroxide, 0.4mol /dm3, was neutralized by 20.0cm of aqueous oxalic acid, H2C204. 2NaOH + H2C204 Na2C204
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The alkali metals are so called because...anions. Na 2 O 2 2H 2 O o 2NaOH H 2 O 2. 3. Reactions of the Alkali Metals with hydrogen The alkali metals react directly with hydrogen at
bhschem.wikispaces.com · Web viewEx: Drano 2 Na + 2H 2 O 2NaOH + H 2 strong base Group IIA- alkaline earth metals, calcium family Be, Mg, Ca, Sr, Ba, Ra Light metals, shinny, soft
Edexcel GCE Chemistry€¦ · neutralize 20.0 cm3 aqueous sodium hydroxide, concentration 0.100 mol dm–3. H 2SO 4 + 2NaOH → Na 2SO 4 + 2H 2O A 2.0 cm3 B 4.0 cm3 C 8.0 cm3 D 20.0
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