Recent activity by CarltonMunz3

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Calculate the standard enthalpy change for the phase transition reaction of solid calcium carbonate (CaCO3) to gaseous carbon dioxide (CO2) at 298 K, given the following formation enthalpies: ΔHf°(CaCO3) = -1206.9 kJ/mol ΔHf°(CO2) = -393.5 kJ/mol Also, assume that the specific heat capacity of CaCO3 is 0.82 J/g·K and that of CO2 is 0.85 J/g·K.

answered 2 days ago in Chemical thermodynamics

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What types of bonding are present in caffeine molecule and what is the molecular structure of caffeine? Provide a detailed explanation based on your knowledge of chemical bonding and molecular structure.

answered 5 days ago in Chemical education

1 answer 52 views

Calculate the electronegativity difference between carbon and hydrogen in a methane (CH4) molecule using the Pauling scale of electronegativity.

answered Jan 23 in Chemical bonding

1 answer 20 views

What is instinct?

answered Jan 14 in Psychology

1 answer 29 views

What is the role of culture in moral development?

answered Jan 14 in Psychology

1 answer 18 views

Which direction from the source do pollutants in an aquifer spread?

answered Jan 8 in Science

1 answer 35 views

What type of fertilization do most reptiles have?

answered Jan 8 in Science

1 answer 27 views

What type of charge does a neutron have?

answered Jan 8 in Science

1 answer 23 views

Proteins include 20 common types of what compounds?

answered Dec 31, 2024 in Science

1 answer 8 views

Glaciers have been melting since what period?

answered Dec 30, 2024 in Science

1 answer 58 views

What glands are wedges of glandular and neuroendocrine tissue adhering to the top of the kidneys by a fibrous capsule?

asked Dec 27, 2024 in Science

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