Questions by ArnulfoHelly

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1 answer 26 views

What is the molecular geometry of the carbon dioxide molecule?

asked 4 days ago in Chemical bonding

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1 answer 19 views

What is the mechanism of the hydrogenation of ethyne to ethane using a palladium catalyst?

asked 5 days ago in Organic Chemistry

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1 answer 28 views

What is the electronegativity difference between a potassium atom (electronegativity value of 0.82) and a chlorine atom (electronegativity value of 3.16)?

asked 5 days ago in Chemical bonding

0 votes

1 answer 26 views

How does the concentration of heavy metals in soil affect the growth and biomass of plants in the environment?

asked 6 days ago in Environmental Chemistry

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1 answer 34 views

How does the concentration of a reactant affect the rate of a chemical reaction, and can this relationship be quantified through experimentation?

asked 6 days ago in Chemical kinetics

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1 answer 19 views

What is the bond enthalpy of the carbon-hydrogen (C-H) bond in methane (CH4) ?

asked Feb 18 in Chemical bonding

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1 answer 7 views

How do metal ions coordinate with amino acid residues in metalloproteins to facilitate catalysis? Provide specific examples and describe the role of the metal ion in each case.

asked Feb 13 in Coordination Chemistry

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1 answer 45 views

Which type of inorganic solid is KCl, NaCl and MgO? Ionic, covalent or metallic? Provide a brief explanation for your answer.

asked Feb 13 in Inorganic Chemistry

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1 answer 8 views

What are the key factors to consider in designing an efficient and cost-effective process for the production of adhesives, and how can these factors be optimized to enhance the quality and consistency of the final product?

asked Feb 12 in Chemical engineering

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1 answer 43 views

How can different types of diisocyanates and polyols be optimally combined to synthesize polyurethane with desirable mechanical, thermal, and chemical properties?

asked Feb 5 in Chemical synthesis

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1 answer 42 views

How can chemistry educators provide effective learning experiences to students who have limited access to laboratory equipment and facilities?

asked Feb 4 in Chemical education

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1 answer 45 views

Consider the electrochemical cell with the following half-cell reactions: Fe3+ (aq) + e- → Fe2+ (aq) E° = +0.771 V and Cd2+ (aq) + 2e- → Cd (s) E° = -0.403 V What is the overall cell potential, Ecell, under standard conditions? Which species will be reduced at the cathode? Which electrode is the anode? Justify your choices using the given standard reduction potentials.

asked Feb 3 in ElectroChemistry

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1 answer 77 views

How can you calculate the carbon footprint of a specific industrial process and suggest possible strategies to reduce it?

asked Jan 31 in Environmental Chemistry

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1 answer 71 views

Balance the following chemical equation for the synthesis of ammonia (NH3) from nitrogen (N2) and hydrogen (H2) gas: N2 + H2 → NH3

asked Jan 21 in Inorganic Chemistry

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1 answer 32 views

When was the concept of the confirmation bias introduced?

asked Jan 20 in Psychology

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1 answer 40 views

According to the humanistic theory, what is the role of self-actualisation in recovery after trauma?

asked Jan 17 in Psychology

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1 answer 34 views

What does a correlation coefficient of 1 indicate?

asked Jan 17 in Psychology

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1 answer 71 views

What is face validity?

asked Jan 15 in Psychology

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1 answer 56 views

According to the Psychoanalytic Theory, what is the role of unconscious thoughts in behaviour?

asked Jan 15 in Psychology

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1 answer 59 views

What is the observer-expectancy effect?

asked Jan 15 in Psychology

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