Recent activity by Zane21409434

1 answer 6 views

Consider a chemical reaction in which X and Y combine to form XY at equilibrium: X + Y ⇌ XY The equilibrium constant for the reaction is Kc = 1.2x10^-4. Initially, [X] = 0.2 M and [Y] is unknown. If 0.1 M of Y is added to the reaction mixture, what will be the new equilibrium concentration of XY?

asked 2 days ago in Chemical equilibrium

1 answer 35 views

How can a chemical engineer develop a cost-effective and sustainable process for the production of specialty chemicals, such as pharmaceuticals and cosmetics, while minimizing waste and reducing environmental impact?

asked 6 days ago in Chemical engineering

1 answer 42 views

A chemistry student needs to identify an unknown compound using mass spectrometry. The compound has a molecular ion peak at m/z 120 and four major fragment ions at m/z 91, 77, 63, and 45. What is the molecular formula of the unknown compound?

answered Jan 22 in Analytical Chemistry

1 answer 55 views

A chemical mixture containing 30% ethanol and 70% water needs to be separated using a distillation column. The feed rate is 1000 kg/hr and the desired purity for both products is 99%. The distillation column has 20 theoretical trays, and the reflux ratio is 2.5. Determine the number of trays required to achieve the desired purity for both products.

answered Jan 22 in Chemical engineering

1 answer 85 views

What is the balanced equation for the oxidation of ethanol to ethanoic acid? Include the oxidation state of each carbon atom before and after the reaction.

answered Jan 21 in Organic Chemistry

1 answer 57 views

What is the incentive-sensitization theory of addiction?

asked Jan 20 in Psychology

0 answers 14 views

When did the Little Albert Experiment take place?

asked Jan 17 in Psychology

1 answer 25 views

What is the principle of reinforcement in behaviourism?

answered Jan 10 in Psychology

1 answer 8 views

Which system consists of all the nervous tissue that lies outside the central nervous system?

asked Jan 8 in Science

1 answer 7 views

What is the only substance on earth that is present in all three states of matter?

asked Jan 7 in Science

1 answer 22 views

What does the secretion of the hormone cholecystokinin stimulate the release of?

answered Jan 6 in Science

1 answer 20 views

What do we call the lowest layer of the atmosphere?

asked Jan 6 in Science

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