Recent activity by Genevieve973

1 answer 42 views

Calculate the polarization of a cell having an anode made of copper metal immersed in a 1.0 M Cu(NO3)2 solution and a cathode made of silver metal in a 1.0 M AgNO3 solution. Given that the potential of the copper electrode is -0.34 V and that of the silver electrode is 0.80 V. Also, assume that the current density is 0.1 A/cm² and that the temperature is 298 K.

answered 2 days ago in ElectroChemistry

1 answer 22 views

Calculate the pH of a buffer solution that contains 0.2 moles of acetic acid (CH3COOH) and 0.1 moles of sodium acetate (NaCH3COO) dissolved in one liter of solution. The dissociation constant of acetic acid is 1.8 x 10^-5.

asked 2 days ago in Chemical reactions

1 answer 65 views

What are some effective strategies for a chemistry student to access limited chemistry textbooks and resources in order to enhance their learning and understanding of the subject?

answered 6 days ago in Chemical education

1 answer 43 views

Calculate the heat of formation of methane (CH4) given the following thermochemical equations and standard heats of formation:2H2 (g) + O2 (g) → 2H2O (l) ΔH° = -572 kJ/molC (s) + O2 (g) → CO2 (g) ΔH° = -393.5 kJ/molNote: The standard heat of formation of CH4 is -74.8 kJ/mol.

asked Jan 23 in Chemical bonding

1 answer 63 views

A chemical plant needs to separate a mixture of benzene and toluene using a distillation column. The feed contains 40% benzene and 60% toluene. Design a distillation column to achieve a distillate with at least 90% purity of benzene. Provide the reflux ratio and the number of theoretical trays required to meet the purity specification. Assume an operating pressure of 1 atm and th

answered Jan 22 in Chemical engineering

1 answer 26 views

How can the person-centred theory be evaluated?

answered Jan 16 in Psychology

1 answer 19 views

Why is the dual process theory criticised?

asked Jan 16 in Psychology

1 answer 32 views

What is the difference between indigenous and Western conceptions of mental health?

answered Jan 16 in Psychology

1 answer 25 views

What is the role of leadership in group dynamics?

answered Jan 14 in Psychology

1 answer 47 views

What is the term for the arrangement of veins in a leaf?

asked Jan 7 in Science

1 answer 21 views

What laboratory instrument is used to analyze and test for static charge?

asked Dec 28, 2024 in Science

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