Recent activity by ArdisRolston

1 answer 32 views

Determine the bond length between two carbon atoms in a molecule of ethylene (C2H4) given that the bond order is 1.5 and the electronegativity of carbon is 2.5.

asked 1 day ago in Chemical bonding

1 answer 45 views

What is the difference between an alcohol and a phenol in terms of their functional groups and reactivity? Provide examples of each type of compound and their uses in industry.

asked 5 days ago in Organic Chemistry

1 answer 57 views

Calculate the enthalpy of formation of NaCl(s) using the following information:1. The enthalpy change of formation of Na(g) is +108.5 kJ/mol.2. The enthalpy change of formation of Cl2(g) is 0 kJ/mol.3. The enthalpy change of vaporization of Na is +97.42 kJ/mol.4. The enthalpy change of dissociation of Cl2 is +242.76 kJ/mol.

answered Jan 23 in ThermoChemistry

1 answer 30 views

Calculate the enthalpy change of polymerization for the formation of polystyrene from its monomer, styrene, given the following data:- ΔH°f (Styrene) = -25.68 kJ/mol- Bond enthalpies: C-C = 347 kJ/mol; C=C = 611 kJ/mol; C-H = 413 kJ/mol

answered Jan 23 in ThermoChemistry

1 answer 16 views

Why is positivity important in positive psychology?

answered Jan 20 in Psychology

1 answer 26 views

What is the zone of proximal development in cognitive development?

asked Jan 20 in Psychology

1 answer 22 views

Why do researchers use control groups?

asked Jan 17 in Psychology

1 answer 21 views

What is the difference between foraging behaviour and predator-prey interaction?

asked Jan 14 in Psychology

1 answer 28 views

How do problem-focused coping and emotion-focused coping affect physiological stress responses?

asked Jan 14 in Psychology

1 answer 21 views

What measurement is used to describe the amount of water vapor in the air?

asked Jan 7 in Science

1 answer 21 views

What is the name of the life stage when a child becomes sexually mature?

asked Jan 7 in Science

1 answer 7 views

What happens to a chain of amino acids after it reaches a stop codon?

answered Jan 6 in Science

1 answer 27 views

The number of particles of a substance in a given volume is known as?

answered Jan 2 in Science

1 answer 20 views

An inversion may result when what kind of mass moves over cold ground?

answered Dec 30, 2024 in Science

1 answer 21 views

What prevents solutes that have accumulated in the xylem from leaking back into the soil solution?

asked Dec 27, 2024 in Science

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