Recent activity by RoxannaPowna

1 answer 50 views

How can we use polarography to determine the concentration of lead ions in a sample of water?

answered Jan 30 in Analytical Chemistry

1 answer 36 views

Calculate the enthalpy change for the desorption of water vapor from a silica gel desiccant using the following information:Mass of silica gel desiccant = 5.0 gInitial temperature of silica gel desiccant and water vapor = 25.0 °CFinal temperature after desorption of water vapor = 40.0 °CSpecific heat capacity of silica gel = 1.16 J/g°CHeat absorbed by the calorimeter = -222.4 JAssume all heat absorbed by calorimeter comes solely from the desorption of water vapor.

asked Jan 23 in ThermoChemistry

1 answer 35 views

What is the role of the therapist in psychodynamic therapy?

answered Jan 20 in Psychology

1 answer 41 views

When working with communities, what is the term for being sensitive to and accepting of diversity?

answered Jan 17 in Psychology

1 answer 21 views

What is the main idea behind embodied cognition?

asked Jan 15 in Psychology

1 answer 34 views

What is the embodiment approach to artificial intelligence?

answered Jan 15 in Psychology

1 answer 29 views

What are flashbulb memories?

asked Jan 14 in Psychology

1 answer 28 views

What process is involved in the formation of a waterfall, when a stream flows from an area of harder to softer rock?

answered Jan 7 in Science

1 answer 24 views

What devices convert mechanical energy to electric energy?

asked Jan 6 in Science

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