Questions by Genevieve973

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1 answer 22 views

Calculate the pH of a buffer solution that contains 0.2 moles of acetic acid (CH3COOH) and 0.1 moles of sodium acetate (NaCH3COO) dissolved in one liter of solution. The dissociation constant of acetic acid is 1.8 x 10^-5.

asked 2 days ago in Chemical reactions

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1 answer 43 views

Calculate the heat of formation of methane (CH4) given the following thermochemical equations and standard heats of formation:2H2 (g) + O2 (g) → 2H2O (l) ΔH° = -572 kJ/molC (s) + O2 (g) → CO2 (g) ΔH° = -393.5 kJ/molNote: The standard heat of formation of CH4 is -74.8 kJ/mol.

asked Jan 23 in Chemical bonding

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1 answer 19 views

Why is the dual process theory criticised?

asked Jan 16 in Psychology

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1 answer 45 views

What is the term for the arrangement of veins in a leaf?

asked Jan 7 in Science

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1 answer 21 views

What laboratory instrument is used to analyze and test for static charge?

asked Dec 28, 2024 in Science

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