Questions by ChanteStroh

0 votes

1 answer 35 views

How does the size and shape of a nanomaterial affect its electronic and optical properties, and how can these properties be calculated using quantum chemistry methods?

asked Feb 24 in Quantum Chemistry

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1 answer 47 views

How does the pH level of landfill leachate affect the quality of groundwater in neighboring areas and what mechanisms are involved in the process?

asked Feb 22 in Environmental Chemistry

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1 answer 31 views

What is the bond dissociation energy of the carbon-hydrogen (C-H) bond in methane (CH4)? Show all steps of the calculation and include units.

asked Feb 18 in Chemical bonding

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1 answer 36 views

Identify the type of colloids present and explain the particle interactions in a sample of milk.

asked Feb 13 in Physical Chemistry

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1 answer 87 views

What are the structural differences between carbohydrates and lipids, and how do these differences impact their respective biological functions?

asked Jan 31 in Organic Chemistry

0 votes

1 answer 93 views

How do different types of amino acid side chains interact with the DNA bases and affect DNA-protein interactions and regulation? Provide detailed examples and explanations of the chemical mechanisms involved in these interactions.

asked Jan 31 in BioChemistry

+1 vote

1 answer 72 views

Calculate the molar mass of magnesium nitrate [Mg(NO3)2].

asked Jan 23 in Inorganic Chemistry

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1 answer 81 views

Calculate the entropy change when one mole of helium gas is compressed isothermally at 298 K from a volume of 10 L to 2 L. The heat capacity of helium at constant pressure, Cₚ, is 20.8 J/mol*K.

asked Jan 23 in Physical Chemistry

0 votes

1 answer 59 views

Calculate the enthalpy change for the combustion of methane gas (CH4) at standard conditions given the following information: 4 moles of methane gas is burned in excess oxygen gas (O2) to form carbon dioxide gas (CO2) and liquid water (H2O). The enthalpy change for the combustion of 1 mole of methane gas is -890.4 kJ/mol.

asked Jan 23 in Chemical thermodynamics

0 votes

1 answer 80 views

Calculate the bond dissociation energy (in kJ/mol) of the C-H bond in methane (CH4) using the following given data:- Enthalpy of formation of methane (CH4) = -74.8 kJ/mol- Enthalpy of combustion of methane (CH4) = -890.4 kJ/mol- Enthalpy change for the breaking of all four C-H bonds in methane = 1665 kJ/mol.

asked Jan 23 in ThermoChemistry

0 votes

1 answer 88 views

What is the major product of the following elimination reaction? CH3CH2CH2Br + KOH → ?

asked Jan 21 in Organic Chemistry

0 votes

1 answer 35 views

Why is reliability important in measurement?

asked Jan 20 in Psychology

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1 answer 110 views

Why is it important to recognise hierarchies of influence in ecological systems theory?

asked Jan 20 in Psychology

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1 answer 43 views

What is the evidence for an individual difference in mental rotation?

asked Jan 20 in Psychology

0 votes

1 answer 86 views

Who conducted the Little Albert experiment?

asked Jan 20 in Psychology

0 votes

1 answer 123 views

When does sensory overload occur?

asked Jan 15 in Psychology

0 votes

1 answer 105 views

How does Transformational Leadership differ from Transactional Leadership?

asked Jan 15 in Psychology

0 votes

1 answer 74 views

What is spatial release from masking?

asked Jan 15 in Psychology

0 votes

1 answer 62 views

What are the three types of research design?

asked Jan 13 in Psychology

0 votes

1 answer 21 views

What is the difference between bottom-up and top-down processing in hearing?

asked Jan 13 in Psychology

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