Recent activity by StephanyHerr

1 answer 48 views

What is the concentration of copper ions (Cu2+) in a 100 mL sample of wastewater if 4652 coulombs of electricity are needed to completely oxidize all the copper ions present? The electrolysis is carried out using a current of 0.25 amperes for a period of 6 minutes. Assume that the only copper present is in the form of Cu2+.

asked 6 days ago in Analytical Chemistry

1 answer 48 views

Calculate the enthalpy change for the oxidation of methane (CH4) to carbon dioxide (CO2) at constant pressure using the following reactions: * C(s) + O2(g) --> CO2(g) ΔH = -393.5 kJ/mol* 2H2(g) + O2(g) --> 2H2O(l) ΔH = -571.6 kJ/molThe enthalpy of formation of CH4(g) is -74.8 kJ/mol.

asked Jan 23 in ThermoChemistry

1 answer 28 views

Please evaluate the criticisms of Bandura's social learning theory?

asked Jan 16 in Psychology

1 answer 47 views

Which perspective suggests that behaviour is influenced by how people perceive others and themselves?

asked Jan 15 in Psychology

1 answer 43 views

What are the characteristics of a good theory?

answered Jan 15 in Psychology

1 answer 19 views

Which is the process through which leaves collect sunlight and make food?

answered Jan 8 in Science

1 answer 31 views

Which has more electrons, neon or fluorine?

asked Jan 8 in Science

1 answer 28 views

What type of treatment is necessary for anaphylaxis?

asked Jan 8 in Science

1 answer 22 views

What organism is characterized by an incomplete digestive system and a single, tentacled opening?

asked Jan 7 in Science

1 answer 19 views

What occurs when the cartilage at the ends of the bones breaks down?

asked Jan 7 in Science

1 answer 26 views

What causes high winds and monsoon storms in the desert?

answered Jan 6 in Science

1 answer 25 views

The iron ion used to bind oxygen is on what type of "ring"?

answered Jan 2 in Science

1 answer 21 views

Nutrients from food are absorbed by the blood for transport around the body as part of what system?

asked Dec 31, 2024 in Science

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