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34
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How can inadequate training for chemistry teachers be improved to better equip them with the knowledge and skills necessary to effectively teach and engage students in the subject of chemistry?
answered
6 days
ago
in
Chemical education
0
votes
33
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Determine the standard electrode potential, given that the standard reduction potential for the half-reaction, Ag+ (aq) + e- → Ag(s) is +0.80 V and the standard oxidation potential for the half-reaction, Fe(s) → Fe2+(aq) + 2e-, is -0.44 V. Using this information, predict whether or not the reaction Ag(s) + Fe2+(aq) → Fe(s) + Ag+(aq) will occur spontaneously under standard conditions.
answered
6 days
ago
in
Chemical thermodynamics
0
votes
35
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Calculate the standard enthalpy change (in kJ/mol) for the neutralization reaction of hydrochloric acid (HCl) and sodium hydroxide (NaOH) using the following information: HCl (aq) + NaOH (aq) → NaCl (aq) + H2O(l)ΔHf° (kJ/mol): HCl (aq) = -167.2 NaOH (aq) = -469.2 NaCl (aq) = -407.3 H2O(l) = -285.8
answered
Feb 3
in
Chemical thermodynamics
0
votes
44
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Calculate the enthalpy change for the reaction below using Hess's Law: 2CO(g) + O2(g) -> 2CO2(g), delta H = -566 kJ/mol Given the following reactions and their corresponding enthalpy changes: CO(g) + 1/2O2(g) -> CO2(g), delta H = -283 kJ/molC(s) + O2(g) -> CO2(g), delta H = -393.5 kJ/mol
answered
Jan 23
in
ThermoChemistry
0
votes
24
views
What is the difference between logical consistency and conceptual consistency in evaluating psychological theories?
answered
Jan 16
in
Psychology
0
votes
44
views
What unit of the nervous system consists of a cell body, dendrites, and axon?
answered
Jan 8
in
Science
0
votes
44
views
What is the period from earth's origin to the beginning of the phanerozoic eon?
answered
Jan 7
in
Science
0
votes
21
views
What describes how close an estimate is to a known standard?
answered
Jan 6
in
Science
0
votes
31
views
Most food chains and webs have a maximum of how many trophic levels?
answered
Dec 28, 2024
in
Science
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