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How can inadequate training for chemistry teachers be addressed to improve students' understanding and interest in chemistry?
answered
14 hours
ago
in
Chemical education
0
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Calculate the standard enthalpy of formation (ΔH°f) of methane (CH4) given the following data: 2H2(g) + O2(g) → 2H2O(l) ΔH°rxn = -572 kJ/mol C(graphite) + O2(g) → CO2(g) ΔH°rxn = -394 kJ/mol Note: The enthalpy of formation of an element in its standard state is zero (0).
answered
2 days
ago
in
ThermoChemistry
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What is an involuntary muscle contraction that moves rapidly along an organ like a wave called?
answered
Jan 6
in
Science
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