Recent activity by ClaireOhara

1 answer 30 views

What is the activation energy for the acid-catalyzed hydrolysis of sucrose at 25°C?

answered 4 days ago in Chemical kinetics

1 answer 28 views

Determine the equilibrium constant at room temperature for the reaction of hydrogen gas and iodine gas to form hydrogen iodide gas, if the initial concentrations of hydrogen and iodine gases were 0.50 M and 0.25 M, respectively, and the equilibrium concentration of hydrogen iodide gas is 0.40 M.

asked Feb 4 in Chemical equilibrium

1 answer 36 views

Calculate the standard free energy change (ΔG°) for the following redox reaction at 298 K, given that E°cell = 0.91 V:Zn(s) + 2 Ag+(aq) → Zn2+(aq) + 2 Ag(s)

answered Feb 3 in Chemical thermodynamics

1 answer 95 views

What is the amount of copper in a sample of copper ore using coulometric titration with a silver anode?

answered Jan 30 in Analytical Chemistry

1 answer 60 views

Calculate the enthalpy of solution of sodium chloride (NaCl) when 10 grams of NaCl is dissolved in 100 mL of water assuming that the specific heat capacity of the solution is equal to the specific heat capacity of water (4.18 J/g°C) and the temperature change is negligible.

answered Jan 23 in ThermoChemistry

1 answer 53 views

Calculate the enthalpy change for the combustion of methane gas (CH4) at constant pressure, given that the standard enthalpy of formation for CH4 is -74.8 kJ/mol and the balanced chemical equation for the combustion reaction is:CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H2O (l) The molar enthalpy of formation of CO2 is -393.5 kJ/mol and that of H2O is -285.8 kJ/mol.

answered Jan 23 in Chemical thermodynamics

1 answer 34 views

What is the Self-Validation Theory?

answered Jan 20 in Psychology

1 answer 68 views

What is social constructionism in relation to indigenous psychology?

asked Jan 20 in Psychology

1 answer 78 views

How do neural processes contribute to perceptual illusions?

answered Jan 15 in Psychology

1 answer 34 views

How does the interactionist perspective explain language development?

answered Jan 15 in Psychology

1 answer 43 views

What is the difference between a psychologist and a psychiatrist?

asked Jan 13 in Psychology

1 answer 23 views

When you change a magnetic field through electromagnetic induction what do you create?

answered Jan 8 in Science

1 answer 68 views

What is used to measure, in degrees, the distance north or south of the equater?

asked Jan 7 in Science

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