Recent activity by Marsha834102

1 answer 44 views

Calculate the heat capacity of a 50g sample of water that is heated from 25°C to 45°C, given that the specific heat capacity of water is 4.184 J/g°C.

answered Jan 23 in Chemical thermodynamics

1 answer 46 views

A chemistry student needs to determine the rate constant for the reaction between hydrochloric acid and sodium thiosulfate. If the initial concentration of hydrochloric acid is 0.1 M, the initial concentration of sodium thiosulfate is 0.05 M, and the initial rate of the reaction is 8.7 x 10^-5 mol/L.s, what is the rate constant for this reaction?

asked Jan 22 in Chemical kinetics

1 answer 18 views

Why is statistical power important?

answered Jan 20 in Psychology

1 answer 23 views

How does the Weber-Fechner law explain our perception of intensity?

answered Jan 15 in Psychology

1 answer 23 views

What is the relationship between adolescent development and substance use?

answered Jan 14 in Psychology

1 answer 34 views

What is perceptual set?

answered Jan 14 in Psychology

1 answer 37 views

What is meant by disenfranchised grief?

asked Jan 14 in Psychology

1 answer 19 views

Which generation of a plant is generally larger and longer-lived?

answered Jan 8 in Science

1 answer 21 views

What is the term for plants that produce flowers and fruit?

asked Jan 7 in Science

1 answer 50 views

What is the organ that senses sound?

asked Jan 7 in Science

1 answer 51 views

What do you call the physical environment in which a species lives and to which it is adapted?

asked Jan 6 in Science

1 answer 30 views

What are convection currents that occur far below the surface of the ocean called?

answered Jan 2 in Science

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