Recent activity by PamalaDeNeev

1 answer 35 views

Calculate the specific heat capacity of water if it absorbs 400 J of energy and its temperature rises by 20°C.

asked 2 days ago in Chemical thermodynamics

1 answer 39 views

What is the effect of changing the orientation of reactants on the reaction rate of a chemical reaction?

answered 2 days ago in Chemical kinetics

1 answer 3 views

What is the calculated bandgap of a silicon crystal using Density Functional Theory (DFT) calculations, with a lattice parameter of 5.43 Å? How does the calculated bandgap compare to experimental values reported in the literature?

asked 5 days ago in Computational Chemistry

1 answer 51 views

A sample of 55.0 g of ethanol at 25°C is vaporized at its normal boiling point. The enthalpy of vaporization for ethanol is 38.56 kJ/mol. Calculate the amount of heat energy required for this process.

answered Jan 22 in ThermoChemistry

1 answer 69 views

A chemistry student is provided with two coordination compounds - [Co(NH3)4Cl2] and [Co(NH3)5Cl] - and is asked to identify the type(s) of isomerism exhibited by these compounds. Can you determine the type(s) of isomerism present in each compound and explain how they are different from each other?

asked Jan 22 in Coordination Chemistry

1 answer 19 views

What are the two components of operant conditioning?

answered Jan 20 in Psychology

1 answer 24 views

Who is associated with the humanistic theory?

asked Jan 16 in Psychology

1 answer 52 views

Why is the cognitive approach important for animal psychology?

asked Jan 16 in Psychology

1 answer 34 views

What is triangulation?

asked Jan 14 in Psychology

1 answer 42 views

Who proposed classical conditioning?

answered Jan 13 in Psychology

1 answer 8 views

Which system consists of all the nervous tissue that lies outside the central nervous system?

answered Jan 8 in Science

1 answer 19 views

Where does most of the sound we hear travel through?

asked Jan 8 in Science

1 answer 29 views

What type of creature is a scallop?

answered Jan 8 in Science

1 answer 16 views

What term means the percentage by mass of each element in a compound?

answered Jan 8 in Science

1 answer 8 views

The ileocecal valve, a sphincter, is usually in a constricted state, but when motility in the ileum increases, this sphincter relaxes, allowing food residue to enter the first portion of what?

asked Jan 2 in Science

1 answer 10 views

In the lungs, oxygen diffuses out of the alveoli and into where?

asked Dec 31, 2024 in Science

1 answer 10 views

What kind of enzyme is phosphofructokinase?

asked Dec 27, 2024 in Science

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