Recent activity by LorraineZuc6

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Considering the reaction: Zn(s) + Cu2+(aq) -> Cu(s) + Zn2+(aq) What is the cell potential (in volts) at 25°C when the concentrations of [Cu2+] and [Zn2+] are 0.5 M and 1.0 M, respectively, and the zinc electrode is the anode? The standard reduction potentials for Cu2+/Cu and Zn2+/Zn are 0.34 V and -0.76 V, respectively.

asked 2 days ago in ElectroChemistry

1 answer 3 views

What is the concentration of heavy metals (such as lead, cadmium, and nickel) in the groundwater surrounding a landfill site, considering the influence of landfill leachate discharge?

answered 5 days ago in Environmental Chemistry

1 answer 66 views

A chemistry student wants to determine the amount of iron present in a sample of orange juice. The student takes a 50 mL sample of orange juice and reacts it with excess potassium dichromate in acidic solution. After the reaction, the remaining potassium dichromate requires 12.75 mL of a 0.015 M ferrous ammonium sulfate solution to complete the reaction. What is the mass of iron present in the sample of orange juice?

answered Jan 22 in Analytical Chemistry

1 answer 17 views

Who are included in the Exosystem level?

asked Jan 15 in Psychology

1 answer 22 views

Who developed the concept of projective identification?

answered Jan 15 in Psychology

1 answer 46 views

When was the psychodynamic theory developed?

asked Jan 15 in Psychology

1 answer 38 views

What is the Intimacy vs. Isolation stage?

answered Jan 14 in Psychology

1 answer 22 views

What does cartilage lack compared to bones, making it softer and less rigid?

answered Jan 6 in Science

1 answer 7 views

What can be formed by converging light rays behind a lens, onto a piece of film?

answered Jan 6 in Science

1 answer 19 views

Water is allowed to flow downhill into a large turbine to harness power. what helps the turbine spin?

answered Jan 2 in Science

1 answer 11 views

How does heat travel from the sun to the earth?

answered Dec 30, 2024 in Science

1 answer 29 views

What is the term for a galaxy that is a rotating disk of stars and dust?

asked Dec 28, 2024 in Science

1 answer 46 views

What is released when catabolic pathways break down complex molecules?

asked Dec 27, 2024 in Science

1 answer 22 views

Our global ecological footprint depends on resource use per person and what population factor?

answered Dec 27, 2024 in Science

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