Recent activity by DellShilling

1 answer 5 views

How can a heat exchanger be designed to efficiently transfer heat between a hot stream of ethanol vapor and a cool stream of water, with a flow rate of 10 L/min of each fluid, while maintaining a temperature difference of 5 °C between the inlet and outlet of each stream?

asked 1 day ago in Chemical engineering

1 answer 65 views

How do different types of renewable energy sources, such as solar, wind, and hydroelectric power, compare in terms of their environmental impact and efficiency in generating electricity?

answered 5 days ago in Environmental Chemistry

1 answer 27 views

A brass alloy electrode with an area of 5 cm² is immersed in a 0.5 M NaCl solution at 25°C. Given that the standard potential of the electrode is -0.35 V versus a standard hydrogen electrode, calculate the corrosion current density of the electrode in the given environment using Tafel extrapolation.

answered Jan 22 in ElectroChemistry

1 answer 8 views

Consider the following equation: Fe + HCl --> FeCl3 + H2. If you have 10 grams of Fe and an excess of HCl, what mass of H2 will be produced?

asked Jan 21 in Inorganic Chemistry

1 answer 20 views

According to the two-factor theory of emotion, what is the process of experiencing emotions?

asked Jan 20 in Psychology

1 answer 22 views

According to the false consensus effect, what do people overestimate?

asked Jan 20 in Psychology

1 answer 41 views

Please compare Erikson's theory versus Robert Havighurst's theory of developmental tasks.

answered Jan 17 in Psychology

1 answer 18 views

Who developed the Rational-Emotive Behaviour Therapy REBT and what were its main assumptions?

asked Jan 17 in Psychology

1 answer 21 views

What is a criticism of the humanistic perspective in psychology?

asked Jan 16 in Psychology

1 answer 18 views

When evaluating the theories of social influence, what is the social identity theory?

asked Jan 16 in Psychology

1 answer 34 views

What is the difference between observational learning and imitation?

answered Jan 15 in Psychology

1 answer 54 views

Many adults and some children suffer from a deficiency of lactase. these individuals are said to be lactose intolerant because they cannot digest the lactose found in what?

answered Dec 31, 2024 in Science

1 answer 32 views

Gram-positive and gram-negative bacteria are distinguished by thickness of what?

answered Dec 30, 2024 in Science

1 answer 23 views

What is transferred in an acid-base reaction

answered Dec 28, 2024 in Science

1 answer 18 views

Both diffusion and effusion are related to the speed at which what objects move?

asked Dec 28, 2024 in Science

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