Questions by RandolphNola

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1 answer 74 views

What is the relationship between light intensity and the rate of photochemical reactions in the oxidation of iodide ions by hydrogen peroxide in the presence of UV light?

asked Feb 24 in PhotoChemistry

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1 answer 79 views

What is the effect of pressure on the reaction rate between nitrogen gas and hydrogen gas to produce ammonia gas at a constant temperature and with a fixed amount of catalyst? How does the reaction rate change as the pressure is varied?

asked Feb 22 in Chemical kinetics

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1 answer 91 views

How does the choice of basis set affect the accuracy of density functional theory calculations of the electronic properties of transition metal compounds?

asked Feb 18 in Computational Chemistry

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1 answer 96 views

How does the change in reactant orientation affect the rate of the chemical reaction between magnesium and hydrochloric acid, and how can this be investigated?

asked Feb 18 in Chemical kinetics

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1 answer 78 views

What is the bond enthalpy of HCl molecule? Given that the bond energy of H-H is 436 kJ/mol, H-Cl is 431 kJ/mol and Cl-Cl is 242 kJ/mol.

asked Feb 18 in Chemical bonding

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1 answer 128 views

How does the composition and structure of lipoproteins affect their role in lipid transport and metabolism in the human body?

asked Feb 13 in BioChemistry

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1 answer 126 views

How would increasing the pH of a solution affect the equilibrium position of a weak acid and its conjugate base? Provide a detailed explanation with a relevant chemical equation and the corresponding equilibrium constant expression.

asked Feb 13 in Chemical equilibrium

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1 answer 161 views

How can a chemistry student improve their understanding of complex chemical concepts?

asked Jan 30 in Chemical education

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1 answer 76 views

Calculate the Gibbs free energy change for the electrochemical reaction where zinc metal (Zn) is oxidized by aqueous hydrogen ions (H+) to form aqueous zinc ions (Zn2+) and hydrogen gas (H2) at 298 K, given that the standard reduction potential of Zn2+/Zn is -0.76 V and the standard hydrogen electrode potential is 0 V.

asked Jan 23 in ElectroChemistry

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1 answer 168 views

A student prepared a 0.2 M solution of sodium acetate and the equilibrium reaction for sodium acetate is CH3COO- + H2O ⇌ CH3COOH + OH-. The initial pH of the solution is 9. Calculate the new pH of the solution when 0.1 mol of NaOH is added to it.

asked Jan 22 in Chemical equilibrium

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1 answer 253 views

What is the impact of historical events on the chronosystem?

asked Jan 17 in Psychology

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1 answer 246 views

Why is it important to evaluate the reliability and validity of measures used in assessing eating disorders?

asked Jan 16 in Psychology

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1 answer 103 views

What is the developmental niche?

asked Jan 15 in Psychology

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1 answer 98 views

How does operant conditioning differ from classical conditioning?

asked Jan 14 in Psychology

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1 answer 104 views

Which country is formed by a hotspot along the mid-atlantic ridge?

asked Jan 8 in Science

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1 answer 72 views

What is the fastest land animal?

asked Jan 7 in Science

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1 answer 116 views

What is defined as a push or pull acting on an object?

asked Jan 6 in Science

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1 answer 84 views

More uv rays reach the ground due to a decrease in what layer in the stratosphere?

asked Dec 31, 2024 in Science

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1 answer 61 views

Different forms of the same element are called what?

asked Dec 30, 2024 in Science

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1 answer 63 views

Many european and asiatic elms are less susceptible to dutch elm disease than which elms?

asked Dec 28, 2024 in Science

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