Questions by DanialCheste

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1 answer 33 views

How does the rate of reaction between sodium thiosulfate and hydrochloric acid change when the solvent is changed from water to an acetone-water mixture?

asked Feb 22 in Chemical kinetics

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1 answer 33 views

What is the critical micelle concentration (CMC) of sodium dodecyl sulfate (SDS) in water at different temperatures, and how does it vary with the change in pH of the solution?

asked Feb 19 in Surface Chemistry

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1 answer 44 views

How can industries dispose of their waste products in an environmentally friendly manner, while still ensuring that these products are not harmful to the environment?

asked Feb 6 in Environmental Chemistry

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1 answer 47 views

How can industrial waste disposal practices be modified to minimize their negative impact on the environment? Provide recommendations based on chemical properties and reactions of the waste, as well as best practices for disposal methods.

asked Feb 6 in Environmental Chemistry

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1 answer 52 views

How can liquid chromatography be used to determine the concentration of a specific compound in a sample? Construct a step-by-step experimental procedure that outlines the necessary equipment, reagents, and techniques to perform this analysis accurately. Additionally, include methods to determine research questions such as: how to interpret peak height, peak tailing, and resolution when analyzing the results of the chromatogram.

asked Jan 29 in Analytical Chemistry

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1 answer 68 views

Calculate the enthalpy change for the following reaction using Hess's Law calculations:2H2S(g) + 3O2(g) → 2H2O(l) + 2SO2(g)Given the following information:2H2(g) + O2(g) → 2H2O(l) ΔH1 = -484 kJ/mol2S(s) + 3O2(g) → 2SO3(g) ΔH2 = -791 kJ/mol2H2(g) + S(s) → 2H2S(g) ΔH3 = -36 kJ/mol

asked Jan 23 in ThermoChemistry

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1 answer 59 views

How do sociocultural psychologists view the influence of culture on behaviour?

asked Jan 20 in Psychology

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1 answer 81 views

When should a therapist use exposure therapy?

asked Jan 17 in Psychology

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1 answer 44 views

How can we evaluate the degree of integration between theory and practice in psychodynamic research?

asked Jan 16 in Psychology

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1 answer 82 views

How can we assess the empirical support of psychodynamic theories?

asked Jan 16 in Psychology

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1 answer 64 views

Where does the principle of Occam's razor fit in theory evaluation?

asked Jan 16 in Psychology

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0 answers 56 views

When was the cognitive model of depression developed?

asked Jan 16 in Psychology

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1 answer 53 views

What is scientific realism?

asked Jan 15 in Psychology

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1 answer 186 views

Why does the evolutionary theory of psychology propose that behaviour is genetically determined?

asked Jan 15 in Psychology

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1 answer 70 views

Who proposed the triune brain theory?

asked Jan 15 in Psychology

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1 answer 75 views

What type of species have a large effect on the balance of organisms in an ecosystem?

asked Jan 8 in Science

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1 answer 56 views

What has a single voltage source and a single resistor

asked Jan 6 in Science

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1 answer 74 views

What are magnesium carbonate, aluminum hydroxide, and sodium bicarbonate commonly used as?

asked Jan 3 in Science

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1 answer 103 views

What are compounds with the same number of carbon and hydrogen atoms called?

asked Jan 2 in Science

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1 answer 66 views

Mechanical churning of food in what organ serves to further break it apart and expose more of its surface area to digestive juices, creating an acidic “soup” called chyme?

asked Dec 31, 2024 in Science

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