Questions by Brigida91483

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1 answer 23 views

How can students improve their preparation for chemistry-related careers, and what resources can they use to help them acquire the necessary skills and knowledge?

asked 6 hours ago in Chemical education

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1 answer 55 views

Calculate the enthalpy change of the isomerization of but-2-ene to 2-methylpropene given the standard enthalpy of formation of but-2-ene is -20.4 kJ/mol and that of 2-methylpropene is -27.0 kJ/mol. The reaction is carried out at constant pressure and 298 K.

asked Jan 23 in ThermoChemistry

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1 answer 36 views

What is the difference between Piaget's and Vygotsky's theories of cognitive development?

asked Jan 13 in Psychology

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1 answer 26 views

What devices do astronomers use to see objects at wavelengths all across the electromagnetic spectrum?

asked Jan 6 in Science

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1 answer 26 views

Find the overall magnification of what instrument by finding the magnification of the objective, then the magnification of the eyepiece?

asked Dec 30, 2024 in Science

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1 answer 25 views

A reference point is used in measurement to make what?

asked Dec 30, 2024 in Science

0 votes

1 answer 20 views

What is a simple sugar such as fructose or glucose?

asked Dec 28, 2024 in Science

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