Questions by CecilB463053

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1 answer 35 views

Calculate the standard enthalpy change for the complete combustion of 2 moles of methane gas under standard conditions, where all reactants and products are in their standard states. The balanced chemical equation for the combustion of methane is CH4(g) + 2O2(g) → CO2(g) + 2H2O(l), and the standard enthalpy of formation ΔH°f for methane, carbon dioxide, and water are -74.8 kJ/mol, -393.5 kJ/mol, and -285.8 kJ/mol, respectively.

asked Feb 3 in Chemical thermodynamics

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1 answer 40 views

What is the effect of changing the concentration of reactants on the reaction rate and yield of a chemical reaction?

asked Feb 3 in Chemical kinetics

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1 answer 25 views

Where are organisational psychology theories typically applied?

asked Jan 16 in Psychology

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1 answer 25 views

What is testability?

asked Jan 15 in Psychology

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1 answer 49 views

The negatively charged electrons are attracted to the positively charged what?

asked Dec 27, 2024 in Science

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