Recent activity by CarmaDurden

1 answer 57 views

How do changes in the electronic and magnetic properties of molecular magnets affect their stability and potential for use in magnetic data storage applications?

answered Jan 31 in Quantum Chemistry

1 answer 67 views

Suppose you are given a sample containing an unknown concentration of copper ions. Using colorimetry, how would you determine the concentration of copper ions in the sample? Provide a step-by-step procedure and explain the principles behind each step.

answered Jan 30 in Analytical Chemistry

1 answer 42 views

Calculate the heat of crystallization in kJ/mol of a substance, given that 100 g of it dissolved in water and cooled from 60°C to 20°C, releasing 5490 J of heat. The molar mass of the substance is 120 g/mol.

asked Jan 23 in ThermoChemistry

1 answer 55 views

Calculate the heat capacity of a 25.0 g sample of copper, given that it was heated from 25°C to 50°C when it absorbed 209 J of heat. The specific heat capacity of copper is 0.385 J/g°C.

asked Jan 23 in Chemical thermodynamics

1 answer 32 views

What is the placebo effect?

answered Jan 13 in Psychology

1 answer 30 views

When fertilizer ends up in bodies of water, the added nutrients cause excessive growth referred to as what, which can render the water unfit for human consumption or recreation?

asked Jan 8 in Science

1 answer 31 views

Phosphate-containing ocean sediments form primarily from the bodies of ocean organisms and from their what?

asked Dec 31, 2024 in Science

1 answer 6 views

What is the only commercial way of reproducing plants such as orchids?

asked Dec 27, 2024 in Science

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