Recent activity by KelvinHmelni

1 answer 55 views

What is the concentration of lead (Pb) in a drinking water sample using cyclic voltammetry?

asked 6 days ago in Analytical Chemistry

1 answer 9 views

A reaction in a container has an equilibrium constant of K = 5.0 x 10^-3 at a particular temperature. If the volume of the container is suddenly decreased by a factor of 2, what will happen to the concentration of each of the reactants and products at equilibrium? Use the reaction below:2A + B ⇌ 3C + D

answered Jan 22 in Chemical equilibrium

1 answer 24 views

According to Maslow's hierarchy of needs, when is a person motivated to fulfill their physiological needs?

answered Jan 17 in Psychology

1 answer 27 views

What is hypothesis?

asked Jan 14 in Psychology

1 answer 23 views

What is the role of cognitive biases in depression?

asked Jan 14 in Psychology

1 answer 6 views

Which theory states that all organisms are composed of one or more cells, the cell is the basic unit of life, and new cells arise from existing cells?

answered Jan 8 in Science

1 answer 48 views

Where does the natural synthesis of lactose occur?

answered Jan 8 in Science

1 answer 20 views

What type of habitat do ferns need to grow?

asked Jan 8 in Science

1 answer 24 views

What type of feeders are earthworms?

answered Jan 8 in Science

1 answer 20 views

What do ecosystems require constant inputs of?

asked Jan 6 in Science

1 answer 30 views

The steropodon may have been an ancestor of which animal?

answered Jan 2 in Science

1 answer 16 views

Magnetite crystals of different ages and on different continents pointed to different spots. the simplest explanation is that the continents have done what?

asked Dec 31, 2024 in Science

1 answer 24 views

After a massive eruption what will a mountain collapsing above an empty chamber create?

asked Dec 30, 2024 in Science

1 answer 23 views

A mushroom is only a specialised reproductive part of the whole fungus. the main part of the fungi is underground in a whole web of hyphae, called this?

asked Dec 30, 2024 in Science

1 answer 54 views

When it was found that, without the force of gravity exerting pressure on the bones, bone mass was lost in astronauts, what kind of exercise provided an antidote?

answered Dec 28, 2024 in Science

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