Questions by LoreneQ88420

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1 answer 18 views

How does the reaction rate affect the selectivity of a chemical reaction involving two reactants of different concentrations?

asked 3 days ago in Chemical kinetics

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1 answer 14 views

How does the polarity of the solvent affect the rate of the photochemical reaction of a given compound when exposed to light?

asked 3 days ago in PhotoChemistry

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1 answer 27 views

What is the optimal pH range for the treatment of acid mine drainage in order to prevent the release of toxic heavy metals into the environment?

asked 3 days ago in Environmental Chemistry

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1 answer 32 views

What is the bond strength of the molecule H2O? Is it stronger or weaker than the bond strength of CO2? Justify your answer with the relevant theories and experimental data.

asked Feb 18 in Chemical bonding

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1 answer 27 views

How can the mechanical and thermal properties of polymer-based composites be optimized for specific aerospace applications such as aircraft components or spacecraft structures?

asked Feb 7 in Polymer Chemistry

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1 answer 34 views

How can the mechanical and thermal properties of polymer-based composites be optimized for their efficient use in aerospace applications?

asked Feb 7 in Polymer Chemistry

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1 answer 51 views

Calculate the standard enthalpy change for the neutralization of 50 mL of 0.1 M hydrochloric acid with 50 mL of 0.1 M sodium hydroxide at a constant pressure and a temperature of 25°C. The balanced equation for the reaction is: HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)

asked Feb 3 in Chemical thermodynamics

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1 answer 82 views

Using ab initio calculations, determine the dipole moment of water (H2O) molecule and compare it with the experimental value.

asked Jan 30 in Computational Chemistry

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1 answer 10 views

How can the chemical engineer design a system for the production of strawberry flavoring that is both cost-effective and meets regulatory standards for food safety?

asked Jan 30 in Chemical engineering

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1 answer 50 views

How can we determine the elemental composition of a given sample using X-ray fluorescence spectroscopy?

asked Jan 29 in Analytical Chemistry

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1 answer 60 views

Calculate the cell potential for the following electrochemical reaction:Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)Given that the standard reduction potentials for the half-reactions are as follows:Zn2+(aq) + 2e- → Zn(s) E° = -0.76 VCu2+(aq) + 2e- → Cu(s) E° = +0.34 V

asked Jan 23 in ElectroChemistry

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1 answer 54 views

A student performs a chemical reaction in which the theoretical yield of a particular product is 25 grams. After carrying out the reaction, the student recovers only 18 grams of the product. What is the percent yield of the reaction?

asked Jan 22 in Chemical reactions

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1 answer 96 views

A chemistry student wants to study the isomerism in coordination compounds through the structural formulas and their properties. Can you identify and compare the geometric and optical isomers for the coordination complex [Co(NH3)5Cl]2+? Also, determine whether the complex is chiral or achiral.

asked Jan 22 in Coordination Chemistry

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1 answer 43 views

What is a double-blind procedure?

asked Jan 17 in Psychology

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1 answer 37 views

What is the impact of time on dissonance?

asked Jan 16 in Psychology

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1 answer 58 views

What are the strengths of a qualitative research approach?

asked Jan 16 in Psychology

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1 answer 12 views

What is the strength of Gilligan's moral development theory?

asked Jan 16 in Psychology

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1 answer 66 views

What are z-scores used for?

asked Jan 16 in Psychology

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1 answer 42 views

Who proposed the Gestalt theory?

asked Jan 15 in Psychology

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1 answer 68 views

How can family members and caregivers support patients during end-of-life care?

asked Jan 14 in Psychology

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