Questions by Sharyl671254

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1 answer 29 views

Determine the standard enthalpy of formation for acetic acid (CH3COOH) using Hess's law and the following thermochemical equations:1) C(s) + O2(g) → CO2(g) ΔH = -394 kJ/mol2) 2H2(g) + O2(g) → 2H2O(l) ΔH = -572 kJ/mol3) C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(l) ΔH = -1234 kJ/mol4) CH3COOH(l) + O2(g) → CO2(g) + H2O(l) ΔH = ?

asked 1 day ago in Chemical thermodynamics

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1 answer 51 views

Calculate the lattice energy of potassium oxide (K2O) given that the ionic radii of K+ and O2- are 152 pm and 140 pm respectively, and the lattice enthalpy of formation of K2O is -3803 kJ/mol.

asked Jan 23 in Inorganic Chemistry

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1 answer 55 views

What is the systematic name of the following organic compound? CH3CH2CH(Cl)CH(OH)CH3

asked Jan 21 in Organic Chemistry

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1 answer 20 views

What is a sampling distribution?

asked Jan 17 in Psychology

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1 answer 18 views

What is the accelerating pattern of increasing population size called?

asked Jan 6 in Science

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1 answer 25 views

Covalent compounds form individual molecules rather than what?

asked Dec 30, 2024 in Science

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1 answer 25 views

When a wave travels down a string, the string vibrates up and down at right angles to the wave's what?

asked Dec 28, 2024 in Science

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