Recent activity by ValentinaFin

1 answer 30 views

How can benzyl chloride and ammonia be reacted together to synthesize phenylalanine in high yields and purity, and what are the key reaction parameters and conditions that must be carefully controlled to achieve this?

asked Feb 4 in Chemical synthesis

1 answer 54 views

Here is a problem related to Hess's Law for the student to solve:Suppose you are given the following three equations, each with their respective enthalpy change: (1) 2H2(g) + O2(g) --> 2H2O(l) ΔH₁ = -572 kJ/mol (2) 2H2O(l) --> 2H2(g) + O2(g) ΔH₂ = 472 kJ/mol (3) C(s) + O2(g) --> CO2(g) ΔH₃ = -394 kJ/molUse Hess's law to calculate the enthalpy change (in kJ/mol) for the following reaction: C(s) + 2H2(g) --> CH4(g)

asked Feb 4 in Chemical reactions

1 answer 62 views

Who pointed out the flaws in the positivist approach to psychology?

answered Jan 16 in Psychology

1 answer 6 views

According to Lewin, why do individuals engage in particular behaviours?

asked Jan 16 in Psychology

1 answer 64 views

According to the tetrachoric correlation coefficient, what type of data should both variables be?

answered Jan 15 in Psychology

1 answer 74 views

Who proposed the regret theory?

asked Jan 15 in Psychology

1 answer 29 views

Many microorganisms are single celled and use what for perception and movement?

answered Dec 31, 2024 in Science

1 answer 30 views

Biochemical compounds that include sugars, starches, and cellulose are examples of what?

answered Dec 30, 2024 in Science

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