Questions by VerleneBabin

0 votes

1 answer 53 views

What are the molecular vibrational frequencies and infrared spectra of a carbon dioxide molecule? Using the principles of quantum chemistry, calculate and interpret the IR spectra of CO2, highlighting the key vibrational modes and their respective frequencies.

asked Jan 31 in Quantum Chemistry

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1 answer 46 views

Calculate the heat of hydration of 1 mole of anhydrous copper(II) sulfate (CuSO4) when it is dissolved in water to form its hydrated form, CuSO4·5H2O. Given the following information:- Heat of solution of anhydrous CuSO4: -74.9 kJ/mol- Enthalpy change of hydration of CuSO4·5H2O: -245.1 kJ/mol

asked Jan 23 in ThermoChemistry

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1 answer 64 views

A sample of drinking water from a local source was analyzed for its composition using mass balance calculations. The sample was found to contain 100 mg/L of calcium ions, 50 mg/L of magnesium ions, 20 mg/L of chloride ions, and 10 mg/L of sulfate ions. If the total volume of the sample was measured to be 50 mL, what is the mass of each ion present in the sample?

asked Jan 22 in Analytical Chemistry

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1 answer 9 views

Why is the dopamine hypothesis significant?

asked Jan 20 in Psychology

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1 answer 25 views

What is the social exchange theory?

asked Jan 13 in Psychology

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1 answer 25 views

What is a cluster of neuron cell bodies in the pns called?

asked Jan 6 in Science

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1 answer 28 views

What colorful arc-shaped atmospheric phenomena are produced by a combination of refraction and reflection?

asked Jan 6 in Science

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1 answer 55 views

What branch of science is the study of the solid earth?

asked Jan 6 in Science

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1 answer 20 views

The resultant solution will contain the same amount of solute but a greater amount of what?

asked Jan 2 in Science

0 votes

1 answer 33 views

Pressure and ________ are directly proportional at a constant volume?

asked Dec 31, 2024 in Science

0 votes

1 answer 28 views

Different types of home heating systems all function by producing what type of energy?

asked Dec 30, 2024 in Science

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