Questions by JeffereyHail

0 votes

1 answer 44 views

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

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1 answer 49 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

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1 answer 24 views

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

asked Jan 20 in Psychology

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1 answer 23 views

Who developed grounded theory?

asked Jan 15 in Psychology

0 votes

1 answer 6 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

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