Recent activity by CasimiraCuri

1 answer 31 views

Here's a precise problem for a chemistry student to solve in Organic Synthesis and Retrosynthesis:Develop a retrosynthesis approach to synthesize 2-methyl-1-phenylpropan-1-ol, starting from benzene, propene, and any other necessary reagents, explaining each step in the backward reaction sequence.

asked 1 day ago in Organic Chemistry

1 answer 41 views

Calculate the standard enthalpy change for the reaction that occurs when 4.50 grams of magnesium oxide reacts with excess hydrochloric acid, given the following information:2HCl(aq) + MgO(s) → MgCl2(aq) + H2O(l) ΔH = -120.3 kJ/molMolar mass of MgO = 40.31 g/molRound your answer to two decimal places.

asked 2 days ago in Chemical thermodynamics

1 answer 37 views

Calculate the standard enthalpy change for the fusion reaction of solid lithium at its melting point, assuming that the reaction is carried out under standard conditions.

answered 2 days ago in Chemical thermodynamics

1 answer 50 views

What is the bond order of the nitrogen molecule (N2) according to the molecular orbital theory?

asked 6 days ago in Chemical bonding

1 answer 52 views

How would a decrease in pH affect the equilibrium position of the following acid-base reaction: HA + B ↔ A- + HB+ Assuming other conditions remain constant, predict the direction in which the equilibrium will shift and explain your reasoning.

asked 6 days ago in Chemical equilibrium

1 answer 48 views

Calculate the enthalpy of formation of water (H2O) given the enthalpies of formation of hydrogen gas (H2) and oxygen gas (O2) are -286 kJ/mol and 0 kJ/mol, respectively.

answered Jan 23 in ThermoChemistry

1 answer 55 views

Calculate the enthalpy change for the ionization of magnesium using the following information: - The first ionization energy of magnesium is 738 kJ/mol. - The second ionization energy of magnesium is 1450 kJ/mol.

answered Jan 23 in ThermoChemistry

1 answer 79 views

What is the identity of an unknown compound that shows a strong absorption at 1700 cm⁻¹ in its IR spectrum and displays a singlet at 2.2 ppm in its ¹H NMR spectrum?

answered Jan 21 in Organic Chemistry

1 answer 17 views

When was the concept of working memory proposed?

answered Jan 20 in Psychology

1 answer 23 views

How does social learning theory apply to persuasion?

answered Jan 20 in Psychology

1 answer 25 views

Why is it important to involve the patient in treatment planning?

asked Jan 20 in Psychology

1 answer 29 views

Please evaluate the Kelly's personal construct theory.

answered Jan 20 in Psychology

1 answer 22 views

What is meant by a 'thick description'?

answered Jan 17 in Psychology

1 answer 21 views

When was the Social Identity Theory introduced?

asked Jan 15 in Psychology

1 answer 23 views

What measures a fluid’s resistance to flow?

answered Jan 7 in Science

1 answer 29 views

What is the usual treatment for acute bronchitis?

answered Jan 7 in Science

1 answer 18 views

What is the release of energy in the form of high energy electromagnetic waves?

answered Jan 7 in Science

1 answer 18 views

What is the most common fossil fuel?

answered Jan 7 in Science

1 answer 14 views

The posterior end of a typical rib is called what?

asked Jan 2 in Science

1 answer 39 views

Recrystallization is a process that can remove what, which result when compounds are synthesized?

asked Dec 31, 2024 in Science

...