Questions by ElishaE44410

0 votes

1 answer 29 views

Calculate the standard enthalpy change for the reaction: [Cu(H2O)6]2+(aq) + 2NH3(aq) → [Cu(NH3)4(H2O)2]2+(aq) + 4H2O(l)given the following information: ΔHf° [Cu(H2O)6]2+(aq) = -203.2 kJ/molΔHf° [Cu(NH3)4(H2O)2]2+(aq) = -368.5 kJ/molΔHf° H2O(l) = -285.8 kJ/molΔHf° NH3(aq) = -80.8 kJ/mol

asked 2 days ago in Chemical thermodynamics

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1 answer 44 views

Calculate the activation energy of the following electrochemical reaction: 2Fe^3+(aq) + 2I^-(aq) → 2Fe^2+(aq) + I2(s) Given that the reaction rate constant at 25°C is 1.0 × 10^-3 s^-1, and the reaction's activation energy follows the Arrhenius equation with a pre-exponential factor of 8.0 × 10^7 s^-1.

asked Jan 23 in ElectroChemistry

+1 vote

1 answer 19 views

How did B.F. Skinner's work contribute to our understanding of operant conditioning?

asked Jan 20 in Psychology

0 votes

1 answer 46 views

According to the postmodernist philosophy, what is the ultimate goal of science?

asked Jan 15 in Psychology

0 votes

1 answer 34 views

When is the sun directly over the equator?

asked Jan 8 in Science

0 votes

1 answer 27 views

What is studied to understand gene expression patterns in cells?

asked Jan 6 in Science

0 votes

1 answer 26 views

Motors are the most common application of magnetic force on current-carrying wires. motors have loops of wire in this?

asked Dec 27, 2024 in Science

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