Recent activity by JeffereyHail

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Calculate the enthalpy change for the hydrolysis of 50 grams of sucrose (C12H22O11) when dissolved in 500 ml of water at 25°C. The molar mass of sucrose is 342.3 g/mol and the enthalpy change per mole of sucrose is -564.8 kJ/mol.

asked Jan 23 in ThermoChemistry

1 answer 50 views

Calculate the corrosion current density of a metal M in a 0.5 M H2SO4 solution with a pH of 2.5, where the half-cell potential of the metal M is -0.8V and the standard hydrogen electrode potential is 0V. The temperature of the solution is 25°C and the density of the metal is 7.85 g/cm³.

asked Jan 23 in ElectroChemistry

1 answer 31 views

According to the behaviourist approach, how do individuals acquire behaviour?

answered Jan 20 in Psychology

1 answer 24 views

What was the aim of Tajfel's social identity theory?

asked Jan 20 in Psychology

1 answer 34 views

According to the sociocultural theory, what is the role of culture in cognitive development?

answered Jan 17 in Psychology

1 answer 5 views

How do cultural factors contribute to the evaluation of animal behaviour?

answered Jan 16 in Psychology

1 answer 23 views

Who developed grounded theory?

asked Jan 15 in Psychology

1 answer 16 views

According to the cognitive load theory, how does the complexity of a task affect learning?

answered Jan 15 in Psychology

1 answer 48 views

What is the difference between reliability and validity?

answered Jan 10 in Psychology

1 answer 19 views

Which plant group has vascular tissue, seeds, and flowers?

answered Jan 8 in Science

1 answer 21 views

What term is used describe energy released during an earthquake?

answered Jan 7 in Science

1 answer 7 views

What do you call the space around a charged particle where the particle exerts electric force on other charged particles?

asked Jan 6 in Science

1 answer 9 views

Particulates cause lung diseases. they can also increase the risk of heart disease and the number of what?

answered Dec 31, 2024 in Science

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