Recent activity by ToddPamphlet

1 answer 5 views

Explain the role of ion channels in signal transduction pathways and provide an example of a specific ion channel and its function in cellular signaling.

answered 1 day ago in BioChemistry

1 answer 30 views

Determine the standard enthalpy change for the vaporization of 50g of ethyl alcohol (C2H5OH) at its normal boiling point of 78.4°C. Given that the molar heat of vaporization of ethyl alcohol is 38.56 kJ/mol and the molar mass of ethyl alcohol is 46.07 g/mol.

answered 1 day ago in Chemical thermodynamics

1 answer 27 views

Determine the activation energy for the electrochemical reaction between zinc and copper (II) sulfate solution, given that the rate constant is 2.8 x 10^-3 s^-1 at 298 K and 8.7 x 10^-3 s^-1 at 308 K.

asked 1 day ago in ElectroChemistry

1 answer 49 views

What is the concentration of an HCl solution if 25.0 ml of the solution requires 35.0 ml of 0.10 M NaOH solution to reach the endpoint of titration?

asked 6 days ago in Analytical Chemistry

1 answer 53 views

A chemistry student wants to know the equilibrium constant for the reaction between nitrogen and hydrogen to produce ammonia. If the initial concentration of nitrogen is 0.2 moles/L, the initial concentration of hydrogen is 0.1 moles/L, and the equilibrium concentration of ammonia is 0.3 moles/L, what is the equilibrium constant for this reaction?

asked Jan 22 in Chemical reactions

1 answer 23 views

How is a positive correlation represented on a scatter plot?

asked Jan 16 in Psychology

1 answer 19 views

Who proposed the theory of top-down processing?

answered Jan 15 in Psychology

1 answer 46 views

What unit of measure is equal to the amount of work a horse can do in 1 minute?

answered Jan 8 in Science

1 answer 29 views

What traits do the sponge and tarantula share?

answered Jan 8 in Science

1 answer 20 views

What part of the body do ants use to detect chemicals?

answered Jan 7 in Science

1 answer 19 views

What mineral that occurs in bones helps combat osteoporosis?

asked Jan 7 in Science

1 answer 50 views

What do craters and rifts become when they fill with water?

asked Jan 6 in Science

1 answer 24 views

The existence of (virtual) photons is possible only by virtue of the heisenberg uncertainty principle and can travel an unlimited distance, so the range ofthe electromagnetic for is what?

answered Jan 2 in Science

1 answer 23 views

The electronegativity of an element increases with increasing of what state?

asked Jan 2 in Science

1 answer 33 views

Rust is an example of the reaction of oxygen with what?

answered Dec 31, 2024 in Science

1 answer 10 views

Every chemical reaction occurs with a concurrent change in what?

answered Dec 30, 2024 in Science

1 answer 28 views

Electromagnetic radiation is a form of what?

answered Dec 30, 2024 in Science

1 answer 8 views

What is the most important process for the survival of a species?

answered Dec 27, 2024 in Science

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