Recent activity by PhilippThrel

1 answer 14 views

How does the addition of a catalyst affect the reaction rate of the decomposition of hydrogen peroxide?

asked 5 days ago in Chemical kinetics

1 answer 37 views

How can the mechanical and physical properties of a polymer be optimized during the processing and manufacturing stage to achieve its desired end-use properties?

asked Feb 7 in Polymer Chemistry

1 answer 51 views

Calculate the enthalpy change for the hydrolysis of 5 moles of methyl acetate using the given bond enthalpies: C-O (360 kJ/mol), C=O (740 kJ/mol), O-H (460 kJ/mol), and C-H (410 kJ/mol).

answered Jan 23 in ThermoChemistry

1 answer 64 views

Calculate the enthalpy change for the hydration of MgSO4 using the following data:MgSO4(s) → MgSO4(aq) ΔH1 = 44.5 kJ/molMgSO4(aq) + 7H2O(l) → MgSO4 • 7H2O(s) ΔH2 = -63.2 kJ/mol.

asked Jan 23 in ThermoChemistry

1 answer 75 views

How does the biological theory explain human behaviour?

asked Jan 20 in Psychology

1 answer 54 views

What is the binding problem according to feature integration theory?

asked Jan 20 in Psychology

1 answer 40 views

How do independent and dependent variables differ?

answered Jan 17 in Psychology

1 answer 35 views

When evaluating the effectiveness of cognitive behavioural therapy, what is meant by maintenance of gains?

asked Jan 15 in Psychology

1 answer 37 views

What is the role of meaning in well-being?

asked Jan 14 in Psychology

1 answer 27 views

What do bees do for flowering plants?

answered Jan 6 in Science

1 answer 31 views

What class of invertebrate animals has additional appendages called the chelicerae and the pedipalps?

asked Jan 6 in Science

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