Recent activity by AngelineWood

1 answer 40 views

Design a multi-step synthesis of 2-phenylbutanoic acid starting from benzene and any other necessary reagents, using retrosynthesis to plan the reaction steps. Include reaction mechanisms, reagents, and conditions for each step.

asked 1 day ago in Organic Chemistry

1 answer 24 views

Calculate the standard enthalpy change for the reaction: [Co(H2O)6]2+(aq) + 4Cl-(aq) → [CoCl4]2-(aq) + 6H2O(l) Given the following information:• ΔH°f of [Co(H2O)6]2+ is 32.3 kJ/mol • ΔH°f of [CoCl4]2- is -341.8 kJ/mol • ΔH°f of H2O(l) is -285.8 kJ/mol • The ΔH°f of Cl- is taken as zero

asked 2 days ago in Chemical thermodynamics

1 answer 24 views

Calculate the standard electrode potential for the redox reaction: Fe3+(aq) + e- → Fe2+(aq) Given that the standard electrode potential for the reduction of Fe3+(aq) to Fe2+(aq) is +0.771 V and the standard electrode potential for the reduction of H+(aq) to H2(g) is 0.000 V.

asked 2 days ago in Chemical thermodynamics

1 answer 58 views

What functional groups are present in compound X and can they be identified using infrared spectroscopy?

answered 6 days ago in Analytical Chemistry

1 answer 50 views

How can we determine the concentration of fluoride ions in a water sample using potentiometry?

asked Jan 29 in Analytical Chemistry

1 answer 52 views

What is the product formed when butyric acid reacts with ammonia under acidic conditions, and how does the reaction differ when it is performed under basic conditions?

answered Jan 21 in Organic Chemistry

1 answer 5 views

Why do forensic psychologists study criminal behaviour?

asked Jan 17 in Psychology

1 answer 5 views

Why is it important to consider cultural differences when evaluating psychological theories?

asked Jan 16 in Psychology

1 answer 17 views

What is the Criticism of CBT?

asked Jan 16 in Psychology

1 answer 24 views

What is the main source of hydrocarbons?

answered Jan 7 in Science

1 answer 42 views

What is it called when waves interact with other waves?

answered Jan 6 in Science

1 answer 50 views

What are used to make maps of the moon and other planets?

asked Jan 6 in Science

1 answer 27 views

There is always a slightly negative pressure within what cavity, helping keep the airways of the lungs open?

asked Jan 2 in Science

1 answer 20 views

The substances that comprise heterogeneous mixtures can also be separated by what means?

asked Jan 2 in Science

1 answer 23 views

The central vacuole maintains turgor pressure against what?

asked Dec 31, 2024 in Science

1 answer 24 views

From observations as simple as blowing up a balloon, it is clear that increasing the amount of gas increases what else?

asked Dec 30, 2024 in Science

1 answer 20 views

A membrane has what property if it can control what molecules or ions enter or leave the cell?

asked Dec 30, 2024 in Science

1 answer 8 views

What type of response do signal transductions within target cells bring about?

answered Dec 27, 2024 in Science

...