Questions by HalinaAlderm

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1 answer 48 views

How does surface modification of nanoparticles affect their catalytic activity in a specific reaction?

asked Feb 17 in Surface Chemistry

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1 answer 33 views

What type of inorganic solid is magnesium oxide, and how can you justify your answer?

asked Feb 13 in Inorganic Chemistry

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1 answer 68 views

How does temperature affect the phase transition of a substance when simulated using Monte Carlo simulations in Computational Chemistry? Specifically, what is the critical temperature at which the substance transitions from solid to liquid phase?

asked Feb 13 in Computational Chemistry

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1 answer 98 views

How can the synthesis and characterization of new materials be optimized to effectively remove heavy metal ions from contaminated water sources?

asked Feb 11 in Materials Chemistry

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1 answer 41 views

How can chemistry teachers effectively integrate technology into their classroom to enhance student learning and engagement?

asked Feb 5 in Chemical education

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1 answer 68 views

How can a company reduce its carbon footprint in its manufacturing processes without compromising the quality of its products?

asked Feb 4 in Environmental Chemistry

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1 answer 73 views

For the reaction below, calculate the equilibrium constant (K) when the electrode potentials are E°(Cu2+/Cu) = +0.34 V and E°(Ag+/Ag) = +0.80 V:Cu(s) + 2Ag+(aq) → Cu2+(aq) + 2Ag(s)

asked Feb 4 in ElectroChemistry

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1 answer 76 views

Calculate the lattice energy of MgO if the charge on the magnesium ion is +2 and the charge on the oxide ion is -2. The ionic radius of Mg2+ is 0.072 nm and the ionic radius of O2- is 0.140 nm.

asked Jan 23 in Inorganic Chemistry

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1 answer 64 views

Calculate the enthalpy change of the polymerization reaction of ethylene, given that the enthalpy of combustion of ethylene is -1411.1 kJ/mol and that the polymerization of ethylene releases 3.4 kJ/mol.

asked Jan 23 in ThermoChemistry

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1 answer 74 views

Calculate the enthalpy change for the reaction below using Hess's Law: 2CO(g) + O2(g) -> 2CO2(g), delta H = -566 kJ/mol Given the following reactions and their corresponding enthalpy changes: CO(g) + 1/2O2(g) -> CO2(g), delta H = -283 kJ/molC(s) + O2(g) -> CO2(g), delta H = -393.5 kJ/mol

asked Jan 23 in ThermoChemistry

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1 answer 78 views

Calculate the bond order and bond length of the nitrogen-oxygen bond in the NO molecule using the molecular orbital theory. Show your calculation and discuss the nature of the bond formed in NO molecule.

asked Jan 23 in Inorganic Chemistry

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1 answer 117 views

A chemistry student needs to calculate the heat required to raise the temperature of 25.0 g of water from 25°C to 60°C, given that the specific heat capacity of water is 4.18 J/g°C.

asked Jan 22 in ThermoChemistry

0 votes

1 answer 56 views

How can qualitative research be used in psychology?

asked Jan 20 in Psychology

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1 answer 38 views

Why are microaggressions important to consider in psychology?

asked Jan 20 in Psychology

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1 answer 95 views

How does behaviourism differ from other psychological approaches?

asked Jan 17 in Psychology

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1 answer 32 views

Who is known for operant conditioning theory?

asked Jan 17 in Psychology

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1 answer 42 views

What is the sociobiological perspective?

asked Jan 15 in Psychology

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1 answer 86 views

What is animal social behaviour?

asked Jan 13 in Psychology

0 votes

1 answer 53 views

Who developed the hierarchy of needs?

asked Jan 13 in Psychology

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1 answer 67 views

What term is used to describe anything that takes up space and has mass?

asked Jan 7 in Science

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