Recent activity by DelilaM1159

1 answer 32 views

Calculate the standard enthalpy change (ΔH°) for the following reaction at 25°C, given that the enthalpies of formation for the reactants and products are:HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l)ΔH°f[HCl (aq)] = -92.31 kJ/molΔH°f[NaOH (aq)] = -469.49 kJ/molΔH°f[NaCl (aq)] = -407.29 kJ/molΔH°f[H2O (l)] = -285.83 kJ/mol

asked 2 days ago in Chemical thermodynamics

1 answer 45 views

Calculate the corrosion rate of iron (Fe) in a galvanic couple with copper (Cu), given that the area of the iron electrode is 8 cm² and the current density is 0.6 mA/cm². The standard electrode potential of iron is -0.44 V and that of copper is +0.34 V.

answered Jan 23 in ElectroChemistry

1 answer 20 views

According to Julian Rotter's social learning theory, how do individuals perceive control over their own lives?

asked Jan 17 in Psychology

1 answer 29 views

Why is cognitive restructuring used in cognitive-behavioural therapy?

answered Jan 17 in Psychology

1 answer 21 views

When was the biological perspective developed?

answered Jan 16 in Psychology

1 answer 14 views

What is the twin study method?

answered Jan 15 in Psychology

1 answer 22 views

What is the cognitive-behavioural therapy (CBT)?

asked Jan 13 in Psychology

1 answer 26 views

What type of science is the application of science to answer questions related to the law?

answered Jan 8 in Science

1 answer 5 views

What still causes fatal lung disease in nonsmokers?

asked Jan 7 in Science

1 answer 20 views

What occurs where the water motion slows?

answered Jan 7 in Science

1 answer 51 views

What is the age-related disorder that causes the gradual loss of bone density and strength?

asked Jan 6 in Science

1 answer 24 views

The skeletons of humans and horses are examples of what?

asked Jan 2 in Science

1 answer 11 views

The first photosynthetic organisms were not plants, but types of what that lived in the water?

answered Jan 2 in Science

1 answer 23 views

Coral reefs are a type of what large community and have the highest biodiversity on earth?

asked Dec 30, 2024 in Science

1 answer 7 views

What is the measure of change in velocity of a moving object?

asked Dec 28, 2024 in Science

1 answer 58 views

Which particle of an atom has a positive electric charge?

asked Dec 28, 2024 in Science

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