Recent activity by Jenifer97455

1 answer 20 views

How can chemistry students in areas with limited availability of chemistry-related internships and job opportunities gain practical experience and develop their skills to become competitive candidates for future employment in the field?

answered Feb 5 in Chemical education

1 answer 34 views

Determine the bond order for the oxygen molecule using molecular orbital theory. Show all calculations and explain how the bond order relates to the stability of the molecule.

answered Feb 4 in Chemical bonding

1 answer 38 views

Design a system for the production of lubricants in a chemical plant that can produce at least 1000 liters of lubricant per day. The system should also ensure the quality and consistency of the final product and take into account the use of sustainable and environmentally friendly materials and processes.

asked Feb 4 in Chemical engineering

0 answers 84 views

A student needs to prepare a solution containing 50 g of ethanol (C2H5OH) dissolved in 250 g of water (H2O) at 25°C. Assuming the heat of mixing for ethanol and water is -5.02 kJ/mol, calculate the heat released or absorbed when the two substances are mixed. Express your answer in kJ.

asked Jan 22 in ThermoChemistry

1 answer 10 views

What are some limitations of the Cannon-Bard theory of emotion?

answered Jan 16 in Psychology

1 answer 25 views

Who proposed the rejection sensitivity theory of self-esteem?

asked Jan 15 in Psychology

1 answer 36 views

What is a case-control study?

answered Jan 14 in Psychology

1 answer 46 views

Why must values of specific heat be looked up in tables?

asked Jan 8 in Science

1 answer 48 views

What does erosion do to pieces of broken rock?

answered Jan 6 in Science

1 answer 25 views

What do you call any process in which excess water or wastes are removed from the body?

answered Jan 6 in Science

1 answer 47 views

Luster, malleability, ductility, and conductivity are all properties of which kind of material?

asked Dec 31, 2024 in Science

1 answer 25 views

Although they differ vastly in hardness, pencil lead and diamonds both contain what element?

answered Dec 30, 2024 in Science

1 answer 11 views

What term describes the amount of material present in an object?

answered Dec 27, 2024 in Science

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