Recent activity by MargartAlber

1 answer 55 views

Calculate the equilibrium constant for the electrochemical reaction: Zn(s) + 2H^+(aq) → Zn^2+(aq) + H2(g) when the concentration of Zn^2+ is 0.25 M, [H^+] is 2.5 × 10^-3 M, and the pressure of H2 is 0.8 atm at 298 K.

answered Jan 23 in ElectroChemistry

1 answer 46 views

Calculate the enthalpy change (ΔH) for the dissolution of 10 grams of NaOH in 100 mL of water, given that the final temperature after mixing is 28°C and the initial temperature of water was 25°C. The specific heat capacity of water is 4.18 J/g°C. The molar mass of NaOH is 40.00 g/mol and the enthalpy of dissolution for NaOH is -44.51 kJ/mol.

answered Jan 23 in ThermoChemistry

1 answer 70 views

Identify the IUPAC name for the following organic compound: CH3CH2CH2COOH

asked Jan 21 in Organic Chemistry

1 answer 27 views

What is the bystander effect by John Darley and Bibb Latané?

answered Jan 20 in Psychology

1 answer 34 views

Why is language use important in promoting mental health?

answered Jan 20 in Psychology

1 answer 20 views

Where does parsimony fit in theory evaluation?

answered Jan 16 in Psychology

1 answer 10 views

Why is cognitive development theory significant?

asked Jan 16 in Psychology

1 answer 25 views

What is a criticism of positive psychology?

asked Jan 16 in Psychology

1 answer 33 views

What is the Trivers-Willard hypothesis?

asked Jan 15 in Psychology

1 answer 43 views

What is the difference between individualistic and collectivistic cultures?

answered Jan 13 in Psychology

1 answer 10 views

What prevents soil erosion on a hillside that is being farmed?

asked Jan 7 in Science

1 answer 50 views

What are unsaturated hydrocarbons with at least one triple bond between carbon atoms?

answered Jan 6 in Science

1 answer 30 views

What are the most common causes of brain injuries?

answered Jan 3 in Science

1 answer 11 views

Broca’s area, responsible for the production of language or controlling movements responsible for speech, is nearly always located on what side of the brain?

asked Dec 30, 2024 in Science

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