Recent activity by JeremiahMcNe

1 answer 7 views

How does the exposure to pesticide residues in fruits and vegetables affect the concentration of organophosphate metabolites in children's urine samples?

answered Feb 13 in Environmental Chemistry

1 answer 45 views

Determine the standard enthalpy of formation of methane (CH4) using Hess's Law, given the following reactions and enthalpy changes: 1. C(graphite) + 2H2(g) -> CH4(g) ΔH1 = -74.6 kJ/mol 2. 2H2(g) + O2(g) -> 2H2O(l) ΔH2 = -571.7 kJ/mol 3. C(graphite) + O2(g) -> CO2(g) ΔH3 = -393.5 kJ/mol.

answered Feb 4 in Chemical thermodynamics

1 answer 86 views

A chemistry student needs to determine the precipitate formed when 50 mL of 0.2 M silver nitrate solution is mixed with 75 mL of 0.1 M potassium chloride solution. What is the mass of the precipitate formed and what is the percent yield of the reaction?

asked Jan 22 in Chemical reactions

1 answer 26 views

Why is the biosocial theory criticised?

asked Jan 16 in Psychology

1 answer 41 views

What are the limitations of coping strategies?

asked Jan 14 in Psychology

1 answer 14 views

The process in which organ systems work to maintain a stable internal environment is called what?

answered Jan 2 in Science

1 answer 10 views

E. histolytica causes what kind of dysentery?

answered Dec 27, 2024 in Science

1 answer 33 views

What's the process responsible for the presence of oxygen in our atmosphere?

answered Dec 27, 2024 in Science

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