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Author Question: What is the enthalpy change when 41.8 mL of 0.530 M sulfuric acid reacts with 21.5 mL of 0.175 M ... (Read 113 times)

Caiter2013

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on: Mar 21, 2021

Question 1

Using the information below, calculate ΔHf° for PbO(s)
              PbO(s) + CO(g) → Pb(s) + CO2(g)     ΔH° = –131.4 kJ
              ΔHf° for CO2(g) = –393.5 kJ/mol
              ΔHf° for CO(g) = –110.5 kJ/mol

◦ –151.6 kJ/mol
◦ –283.0 kJ/mol
◦ +283.0 kJ/mol
◦ –372.6 kJ/mol
◦ +252.1 kJ/mol

Question 2

What is the enthalpy change when 41.8 mL of 0.530 M sulfuric acid reacts with 21.5 mL of 0.175 M potassium hydroxide?
H2SO4(aq) + 2KOH(aq) → K2SO4(aq) + 2H2O(l)
ΔH° = –111.6 kJ/mol
 


◦ –0.210 kJ
◦ –2.89 kJ
◦ –2.47 kJ
◦ –0.420 kJ
◦ –112 kJ
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by Caiter2013 on Mar 21, 2021

aliotak

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Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Caiter2013

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Reply 2 on: Mar 21, 2021
Gracias!

CAPTAINAMERICA

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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