Recent activity by JanF74978399

1 answer 32 views

What is the mechanism of the reaction between 2-methylpropene and hydrobromic acid in the presence of peroxide? What are the intermediates formed during the reaction and how do they contribute to the overall reaction mechanism?

asked Feb 22 in Organic Chemistry

1 answer 32 views

How does the absorption spectrum of a photovoltaic material affect its efficiency to convert light to electricity?

asked Feb 17 in PhotoChemistry

1 answer 39 views

How can we use polymer-based sensors and actuators to detect and measure the concentration of a specific molecule in a mixture? Provide examples of polymers that have been successfully used for this purpose and explain the mechanism of their detection.

asked Feb 14 in Polymer Chemistry

1 answer 73 views

What impacts do inadequate emphasis on chemical reactions and equations have on students' understanding of chemical concepts and their ability to apply chemistry in practical applications?

asked Feb 13 in Chemical education

1 answer 58 views

What is the impact of varying substrate concentration on the rate of enzyme catalyzed reaction in biochemistry?

asked Feb 13 in BioChemistry

1 answer 71 views

What is the volume of 0.2 M hydrochloric acid that will completely react with 25 ml of 0.1 M sodium hydroxide in a neutralization reaction?

answered Feb 13 in Chemical reactions

1 answer 29 views

How can we design new drugs for cancer treatment that specifically target cancer cells while minimizing harmful side effects on healthy cells?

answered Feb 12 in Medicinal Chemistry

1 answer 38 views

How can the polymerization reaction of styrene monomer be manipulated to achieve different molecular weights and properties in the resulting polystyrene polymer?

answered Feb 10 in Chemical synthesis

1 answer 47 views

How can modifications to an existing molecule increase its efficacy and reduce its toxicity in the development of new treatments for autoimmune diseases?

asked Feb 6 in Medicinal Chemistry

1 answer 67 views

Consider the coordination chemistry of metalloproteins and metalloenzymes. How does the binding of a metal ion to a protein or enzyme affect its structure and function? Provide specific examples of metalloproteins and metalloenzymes and describe the specific roles that the bound metal ions play in their function.

answered Feb 3 in Coordination Chemistry

1 answer 59 views

Calculate the new equilibrium concentration of a complex ion formed between Cu2+ and NH3(aq) at 25°C, if the initial concentration of Cu2+ is 0.10 M and NH3(aq) is 0.05 M, and the temperature is increased to 35°C. The equilibrium constant (Kc) for this reaction is 1.6×107.

asked Feb 3 in Chemical equilibrium

1 answer 90 views

What strategies can a student use to better understand complex chemical concepts, such as chemical bonding, equilibrium, or thermodynamics?

answered Jan 30 in Chemical education

1 answer 76 views

Calculate the amount of heat released when 50 grams of NaOH is dissolved in 500 mL of water at 25°C. The heat of crystallization of NaOH is -44.51 kJ/mol. Assume the final temperature of the solution is 25°C and the heat capacity of the solution is 4.18 J/g °C.

answered Jan 23 in ThermoChemistry

1 answer 63 views

A sealed vessel contains a mixture of nitrogen dioxide and dinitrogen tetraoxide gases in equilibrium. If the volume of the container is increased, would the equilibrium shift towards more or less NO2? Calculate the new equilibrium constant at the new volume assuming the pressure and temperature remain constant.

answered Jan 22 in Chemical equilibrium

1 answer 85 views

How would adding more reactants to a reaction at equilibrium affect the direction of the reaction and the equilibrium position, and what would be the quantitative effect on the equilibrium constant?

asked Jan 22 in Chemical equilibrium

1 answer 111 views

Who conducted the obedience to authority experiment?

asked Jan 20 in Psychology

0 answers 51 views

When did Neyman propose the use of confidence intervals?

asked Jan 17 in Psychology

1 answer 35 views

What is one potential benefit of successful conflict resolution?

asked Jan 17 in Psychology

1 answer 70 views

Where did Harry Harlow conduct his research on attachment?

asked Jan 17 in Psychology

1 answer 42 views

According to Bronfenbrenner's ecological systems theory, why do individuals need to be studied in their ecological context?

asked Jan 17 in Psychology

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