Questions by DeenaKuhn606

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1 answer 82 views

What is the effect of molecular weight and chain length on the physical properties of a polymer? Provide specific examples of how different molecular weights and chain lengths can affect the properties of a polymer, such as its melting point or viscosity.

asked Feb 21 in Physical Chemistry

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1 answer 76 views

What is the coordination geometry of the complex [CoCl₂(NH₃)₄]⁺, as determined by its UV-Vis spectra?

asked Feb 19 in Coordination Chemistry

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1 answer 76 views

How does the concentration of sulfur dioxide in the atmosphere affect the pH level of rainwater in areas experiencing acid rain, and what are the potential ecological consequences of these changes in pH?

asked Feb 19 in Environmental Chemistry

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1 answer 84 views

What is the bond dissociation energy of a carbon-carbon single bond in ethane (C2H6), and how does it compare to the bond dissociation energy of a carbon-carbon double bond in ethene (C2H4)?

asked Feb 18 in Chemical bonding

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1 answer 117 views

How does increasing the temperature affect the reaction rate of the reaction between hydrogen peroxide and potassium iodide?

asked Feb 13 in Chemical kinetics

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1 answer 85 views

How can concepts such as quantum mechanics and molecular orbital theory be simplified for students struggling to understand complex chemical concepts in order to improve their understanding and academic success in chemistry?

asked Feb 6 in Chemical education

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1 answer 113 views

What are the potential drug-drug interactions between the antibiotics amoxicillin and tetracycline, and how can these interactions be minimized when both drugs are prescribed to the same patient for a bacterial infection?

asked Jan 31 in Medicinal Chemistry

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1 answer 106 views

What is the effect of acid mine drainage on the concentration of heavy metals in surface water and groundwater in mining regions, and what chemical processes are involved in their mobilization and transport?

asked Jan 30 in Environmental Chemistry

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1 answer 113 views

How can safety protocols be implemented more effectively in chemistry labs to prevent accidents and ensure a safe environment for students and teachers?

asked Jan 30 in Chemical education

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1 answer 77 views

Calculate the equilibrium constant for the following electrochemical cell reaction at 25°C:Cu(s) + 2 Ag+(aq) --> Cu2+(aq) + 2 Ag(s)Given the standard reduction potentials are:Cu2+(aq) + 2 e- → Cu(s) E°red = +0.34 VAg+(aq) + 1 e- → Ag(s) E°red = +0.80 V

asked Jan 23 in ElectroChemistry

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1 answer 184 views

Balance the chemical equation for the inorganic compound calcium chloride reacting with sodium carbonate to form calcium carbonate and sodium chloride.

asked Jan 21 in Inorganic Chemistry

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1 answer 138 views

According to the evolutionary approach, how does human behaviour affect survival and reproduction?

asked Jan 17 in Psychology

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1 answer 45 views

Why is it important to consider the sample size when interpreting statistical significance?

asked Jan 17 in Psychology

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1 answer 58 views

Who developed the cognitive dissonance theory?

asked Jan 16 in Psychology

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1 answer 41 views

How does the trait perspective explain personality?

asked Jan 16 in Psychology

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1 answer 120 views

What is the main criticism of postmodernism?

asked Jan 15 in Psychology

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1 answer 91 views

What is cyclothymic disorder?

asked Jan 14 in Psychology

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1 answer 145 views

What is the difference between social learning theory and behaviourism?

asked Jan 14 in Psychology

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1 answer 75 views

What is the difference between self-esteem and self-efficacy?

asked Jan 14 in Psychology

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1 answer 137 views

What are the symptoms of anxiety?

asked Jan 14 in Psychology

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