Recent activity by AHBJim662535

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Calculate the enthalpy change for the combustion of methane gas (CH4) at constant pressure, given that the standard enthalpy of formation for CH4 is -74.8 kJ/mol and the balanced chemical equation for the combustion reaction is:CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H2O (l) The molar enthalpy of formation of CO2 is -393.5 kJ/mol and that of H2O is -285.8 kJ/mol.

answered Jan 23 in Chemical thermodynamics

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A sample of a white powder was analyzed in the laboratory and found to be composed of 40% carbon, 6.67% hydrogen, and 53.33% oxygen by mass. Determine the empirical formula of the compound.

answered Jan 22 in Inorganic Chemistry

1 answer 75 views

A chemistry student wants to study the isomerism in coordination compounds through the structural formulas and their properties. Can you identify and compare the geometric and optical isomers for the coordination complex [Co(NH3)5Cl]2+? Also, determine whether the complex is chiral or achiral.

asked Jan 22 in Coordination Chemistry

1 answer 6 views

How does the halo effect relate to the design of human-machine interfaces?

asked Jan 20 in Psychology

1 answer 24 views

What is the relevance of social psychology to the development of AI models?

asked Jan 20 in Psychology

1 answer 27 views

Who conducted the Minnesota Starvation Experiment?

answered Jan 17 in Psychology

1 answer 5 views

According to the ecological systems theory, what are the different systems that influence adolescent development?

answered Jan 15 in Psychology

1 answer 25 views

Who developed the Explanatory Theory of Social Support and why?

asked Jan 15 in Psychology

1 answer 15 views

What is the difference between the nominal, ordinal, interval, and ratio scales of measurement?

asked Jan 13 in Psychology

1 answer 16 views

What form when a single atom gains or loses electrons?

answered Jan 6 in Science

1 answer 22 views

What does a hydrolase use to split molecules?

answered Jan 6 in Science

1 answer 21 views

The shield type of what phenomenon commonly forms above hotspots in the oceans?

asked Jan 2 in Science

1 answer 23 views

Chemical reactions always involve what?

asked Dec 30, 2024 in Science

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