Recent activity by MckinleyDigg

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Calculate the enthalpy of polymerization for the reaction of ethylene (C2H4) to polyethylene (C2H4)n, given that the enthalpy of combustion for ethylene is -1411 kJ/mol and the number of moles of ethylene used in the reaction is 4.5 mol. Assume that the reaction is exothermic and that the enthalpy change is constant over the extent of the reaction.

answered Jan 23 in ThermoChemistry

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Identify the type of isomerism exhibited by 2-pentene and 2-methyl-1-butene, and explain the structural differences between the two isomers.

asked Jan 21 in Organic Chemistry

1 answer 10 views

Where does the term 'existential vacuum' come from?

answered Jan 20 in Psychology

1 answer 31 views

What determnines whether a linear and nonlinear regression is used for data analysis?

asked Jan 16 in Psychology

1 answer 7 views

Who introduced the concept of Self-Transcendence?

answered Jan 15 in Psychology

1 answer 28 views

What is a naturalistic observation?

asked Jan 14 in Psychology

1 answer 30 views

Whether the organism is a bacterium, plant, or animal, all living things access energy by breaking down these?

answered Jan 8 in Science

1 answer 25 views

What is used to fluoridate drinking water to promote dental health

asked Jan 7 in Science

1 answer 37 views

What glands in the breast secrete milk?

answered Jan 6 in Science

1 answer 41 views

Electrons exist only where the wave is what?

asked Dec 30, 2024 in Science

1 answer 36 views

Convection generally involves the transfer of what type of energy?

asked Dec 30, 2024 in Science

1 answer 33 views

Atmospheric pressure is increased, causing a greater amount of oxygen than normal to diffuse into the bloodstream of the patient, in what type of therapy?

answered Dec 30, 2024 in Science

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