Recent activity by BrittneyStam

1 answer 29 views

How can chemistry teachers effectively integrate technology into their classroom to enhance student learning and engagement?

answered 14 hours ago in Chemical education

1 answer 27 views

Calculate the standard enthalpy change for the following neutralization reaction where hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH) to form sodium chloride (NaCl) and water (H2O).HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)Given the following tabulated standard enthalpies of formation values: ΔHf°(HCl) = -167 kJ/mol, ΔHf°(NaOH) = -469 kJ/mol, ΔHf°(NaCl) = -411 kJ/mol, ΔHf°(H2O) = -286 kJ/mol.

answered 2 days ago in Chemical thermodynamics

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What are the effects of changing the concentration of polymer solution on the mechanical properties (such as mechanical strength and elasticity) of 3D-printed structures?

answered 4 days ago in Materials Chemistry

1 answer 44 views

How do carbohydrate-protein interactions affect the function of enzymes?

answered 5 days ago in BioChemistry

1 answer 38 views

How does the drug aspirin interact with COX enzymes at the molecular level to inhibit pain and inflammation?

answered 5 days ago in Medicinal Chemistry

1 answer 73 views

How does the activation energy for an electron transfer reaction vary with temperature? What is the relationship between the rate constant and the activation energy of a redox reaction? How can we predict the direction of electron transfer in a redox reaction?

answered 6 days ago in Quantum Chemistry

1 answer 79 views

What is the amount (in moles) of copper ions present in a 500 mL solution of 0.1 M copper sulfate, as determined using coulometry?

asked 6 days ago in Analytical Chemistry

1 answer 22 views

Why do some researchers suggest that genetic factors may play a role in the development of conduct disorder?

asked Jan 20 in Psychology

1 answer 4 views

Who created the idea of savouring?

answered Jan 17 in Psychology

1 answer 49 views

Who posits that the grieving process has six stages: shock, denial, bargaining, guilt, depression and acceptance?

asked Jan 15 in Psychology

1 answer 16 views

What is the stigma surrounding mental health?

asked Jan 14 in Psychology

1 answer 47 views

What are some of the psychological mechanisms that contribute to placebo analgesia?

asked Jan 14 in Psychology

1 answer 26 views

Where does the development of a fetus take place?

answered Jan 8 in Science

1 answer 53 views

What type of compounds can form crystals?

answered Jan 8 in Science

1 answer 29 views

What do most organisms eat in the profundal zone of a lake?

asked Jan 6 in Science

1 answer 20 views

Because sound waves must move through a medium, there are no sound waves in a what?

asked Dec 30, 2024 in Science

1 answer 9 views

Who controls prey population?

answered Dec 27, 2024 in Science

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