Recent activity by Sammy51U3823

1 answer 37 views

Determine the standard enthalpy change for the formation of methane gas (CH4) from its constituent elements (C and H2) given the following standard enthalpy of formation values: ΔHf°(C) = 0 kJ/mol and ΔHf°(H2) = 0 kJ/mol.

asked 1 day ago in Chemical thermodynamics

1 answer 28 views

What is the effect of changing the concentration of reactants on the rate of reaction and ultimately the profitability of the reaction in the synthesis of aspirin?

answered 2 days ago in Chemical kinetics

1 answer 52 views

Calculate the enthalpy of solution of sodium hydroxide (NaOH) in water, given that the heat absorbed by the solution is 128.0 kJ/mol and the molar concentration of the solution is 0.1 M. Assume that the specific heat capacity of the solution is the same as that of water (4.18 J/g⋅K) and that the density of the solution is 1.00 g/mL.

asked Jan 23 in ThermoChemistry

1 answer 29 views

How could the nature-nurture debate relate to childhood development?

answered Jan 20 in Psychology

1 answer 4 views

Where can ANOVA be used in psychology research?

asked Jan 17 in Psychology

1 answer 19 views

According to Piaget, at what stage of development do adolescents develop abstract reasoning skills?

answered Jan 15 in Psychology

1 answer 25 views

Which orbitals do electrons fill first?

answered Jan 8 in Science

1 answer 24 views

What is the term for the breakdown of unstable isotopes into stable elements?

asked Jan 7 in Science

1 answer 23 views

Through which process do behaviors that improve fitness increase?

asked Jan 2 in Science

1 answer 40 views

In arthropods, coxal glands and malphigian tubules perform what role?

answered Dec 31, 2024 in Science

1 answer 8 views

What is above each leaf scar?

answered Dec 27, 2024 in Science

...