Recent activity by EarnestSprin

1 answer 78 views

How does the particle size of a colloidal solution affect its color intensity and stability?

1 answer 68 views

What is the effect of doubling the concentration of reactants on the reaction rate of the iodine clock reaction between potassium iodide (KI) and hydrogen peroxide (H2O2)?

answered Feb 20 in Chemical kinetics

1 answer 76 views

Identify the type of inorganic compound formed between sodium and chlorine.

asked Feb 20 in Inorganic Chemistry

1 answer 135 views

Identify the oxidation states of each element in the following redox reaction:Cu + 4HNO3 → Cu(NO3)2 + 2NO2 + 2H2O.

asked Feb 13 in Chemical reactions

1 answer 127 views

What is the oxidation state of nitrogen in NaNO3?

answered Feb 13 in Chemical reactions

1 answer 144 views

How can the synthesis and characterization of new materials for use in fuel cells be optimized to improve the efficiency and durability of fuel cell technology?

answered Feb 11 in Materials Chemistry

1 answer 131 views

How can the production process of fragrances be improved to increase yield and reduce waste using chemical engineering principles?

answered Feb 10 in Chemical engineering

1 answer 90 views

How can the photochromic properties of a material be optimized for more efficient and stable photochemical reactions?

answered Feb 10 in PhotoChemistry

1 answer 87 views

How can the efficiency of the process for the production of food additives by chemical engineering be improved without compromising the quality and safety of the end product?

answered Feb 7 in Chemical engineering

1 answer 92 views

How can limited opportunities for hands-on experimentation in chemistry affect a student's overall understanding and appreciation of the subject?

asked Feb 5 in Chemical education

1 answer 88 views

How can chemistry students with limited opportunities for hands-on experimentation increase their understanding of chemical concepts and improve their experimental skills?

answered Feb 5 in Chemical education

1 answer 133 views

What is the concentration of lead (Pb) ions in a sample of a water source using the method of polarography?

asked Jan 30 in Analytical Chemistry

1 answer 87 views

How can UV-Vis spectroscopy be used to identify the presence of specific functional groups in a given organic compound? Provide a step-by-step explanation of the process, including the type of functional groups that can be detected and any limitations to the technique. Additionally, provide an example of a compound and its UV-Vis spectrum with annotations identifying the specific functional groups present.

asked Jan 29 in Analytical Chemistry

1 answer 91 views

Calculate the enthalpy of polymerization for the synthesis of polyethylene from its monomer using the given data:- Standard enthalpy of formation of ethylene (C2H4) = +52.3 kJ/mol- Standard enthalpy of formation of polyethylene (-[-CH2-]n-) = -256 kJ/mol

answered Jan 23 in ThermoChemistry

1 answer 78 views

Calculate the bond order and bond length of the nitrogen-oxygen bond in nitrous oxide (N2O).

answered Jan 23 in Inorganic Chemistry

1 answer 94 views

Who founded the field of flow?

answered Jan 20 in Psychology

1 answer 98 views

Why is Erikson's theory of psychosocial development important to psychology?

answered Jan 17 in Psychology

1 answer 203 views

How can behavioural principles be used in the treatment of mental health conditions?

asked Jan 17 in Psychology

1 answer 58 views

How can researchers assess and improve the quality of cross-cultural studies?

answered Jan 16 in Psychology

1 answer 128 views

Who developed the interpersonal theory of personality disorders?

answered Jan 16 in Psychology

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