Questions by SGDJenifer99

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1 answer 30 views

What is the rate law for the reaction between hydrogen peroxide and potassium iodide, and how can it be determined experimentally?

asked Feb 22 in Chemical kinetics

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1 answer 41 views

How does the compatibility between Polystyrene and Polybutadiene affect the properties of their blend and what are the practical applications of this blend?

asked Feb 18 in Polymer Chemistry

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1 answer 28 views

What is the effect of concentration and temperature on the adsorption efficiency of activated carbon in removing a specific pollutant from water?

asked Feb 17 in Surface Chemistry

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1 answer 37 views

How can we predict the color of transition metal complexes based on their electronic configurations and ligands?

asked Feb 14 in Inorganic Chemistry

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1 answer 49 views

How can we create a more hands-on approach in teaching chemistry for students who have limited opportunities for laboratory experimentation?

asked Feb 12 in Chemical education

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1 answer 49 views

How can the permeability of polymer-based membranes used in water treatment be optimized while maintaining high selectivity to remove contaminants?

asked Feb 10 in Polymer Chemistry

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1 answer 33 views

Consider the redox reaction 2Fe^2+(aq) + H2O2(aq) + 2H^+(aq) ⟷ 2Fe^3+(aq) + 2H2O(l). If a catalyst is added to the reaction mixture at equilibrium, will the concentration of Fe^3+ increase, decrease or remain the same? Justify your answer mathematically.

asked Feb 3 in Chemical equilibrium

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1 answer 82 views

Calculate the enthalpy change of reduction for Fe2O3 using the following data:Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) ΔH°rxn = -26.8 kJ mol^-1Fe2O3(s) + 2Al(s) → Al2O3(s) + 2Fe(l) ΔH°rxn = +824.2 kJ mol^-1Note: The standard enthalpy of formation for CO2(g) is -393.5 kJ mol^-1 and for Al2O3(s) is -1675.7 kJ mol^-1.

asked Jan 23 in ThermoChemistry

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1 answer 42 views

What are the similarities and differences between panic disorder and generalised anxiety disorder GAD ?

asked Jan 17 in Psychology

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1 answer 105 views

Why is assertiveness important when setting boundaries?

asked Jan 17 in Psychology

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1 answer 39 views

What is the causal attribution theory?

asked Jan 16 in Psychology

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0 answers 77 views

When did the theory of bottom-up processing become popular?

asked Jan 16 in Psychology

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1 answer 55 views

What is pain catastrophising?

asked Jan 14 in Psychology

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1 answer 64 views

What is the difference between the humanistic and psychoanalytic theories of personality?

asked Jan 13 in Psychology

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1 answer 35 views

What is the difference between the cross-sectional and longitudinal research designs?

asked Jan 10 in Psychology

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1 answer 79 views

Within a group, the ionization energy decreases as the size of the atom gets what?

asked Jan 8 in Science

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1 answer 39 views

Which type of respiration helps organisms generate quick bursts of speed, as opposed to long steady movement?

asked Jan 8 in Science

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1 answer 50 views

What kind of diseases can be difficult to treat because they live inside the host's cells, making it hard to destroy them without killing host cells?

asked Jan 7 in Science

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1 answer 59 views

What is the name of artificial barriers that people build to protect shorelines?

asked Jan 7 in Science

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1 answer 62 views

What is responsible for the properties of metals?

asked Jan 6 in Science

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