Recent activity by SamualMccoll

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Determine the bond length between two carbon atoms in a molecule of ethylene (C2H4) given that the bond order is 1.5 and the electronegativity of carbon is 2.5.

answered 1 day ago in Chemical bonding

1 answer 21 views

Design a heat exchanger that can transfer heat from a 10,000 L/h hot water stream at 80°C to a 5,000 L/h cold water stream at 20°C with a maximum temperature difference of 10°C. Calculate the required heat transfer area and select appropriate materials for the heat exchanger components based on the fluids' properties and operating conditions.

answered 1 day ago in Chemical engineering

1 answer 38 views

What are the vibrational frequencies of carbon dioxide and how do they relate to the molecular geometry of the molecule?

answered 5 days ago in Physical Chemistry

1 answer 24 views

What is the relationship between attention and working memory?

answered Jan 17 in Psychology

1 answer 21 views

According to Erikson's psychosocial theory, what is the central conflict in adolescence?

asked Jan 16 in Psychology

1 answer 17 views

What is sensory memory?

answered Jan 15 in Psychology

1 answer 24 views

What is the difference between a correlational study and an experimental study?

answered Jan 13 in Psychology

1 answer 20 views

What is the flynn effect?

asked Jan 13 in Psychology

1 answer 22 views

What is the argument against early specialisation in adolescence?

asked Jan 13 in Psychology

1 answer 46 views

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

asked Jan 8 in Science

1 answer 39 views

What is the scientific name of the thighbone, the longest, heaviest, and strongest bone in the body?

answered Jan 7 in Science

1 answer 23 views

What are most stis caused by?

asked Jan 3 in Science

1 answer 39 views

Large or small numbers are expressed in scientific notation, which use powers of this?

asked Dec 31, 2024 in Science

1 answer 61 views

How many years can dissolved carbon be stored in the deep ocean?

answered Dec 30, 2024 in Science

1 answer 23 views

Ash that enters the air naturally as a result of a volcano eruption is classified as what kind of pollutant?

asked Dec 30, 2024 in Science

1 answer 6 views

What consists of these five stages: prophase, prometaphase, metaphase, anaphase, and telophase?

answered Dec 27, 2024 in Science

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