Recent activity by AprilCimitie

1 answer 28 views

Calculating the standard enthalpy change for the vaporization of water is a common example used in chemistry. Suppose that you have 50.0 g of liquid water at 25°C and 1 atm pressure. What is the standard enthalpy change for the vaporization of this amount of water at its boiling point, which is 100°C and 1 atm pressure?

asked 2 days ago in Chemical thermodynamics

1 answer 75 views

What polymer-based drug delivery system can be used to achieve sustained release of a water-insoluble anticancer drug?

answered 6 days ago in Polymer Chemistry

1 answer 52 views

How would a decrease in pH affect the equilibrium position of the following acid-base reaction: HA + B ↔ A- + HB+ Assuming other conditions remain constant, predict the direction in which the equilibrium will shift and explain your reasoning.

answered 6 days ago in Chemical equilibrium

1 answer 54 views

How can we use ion-selective electrodes to identify the presence and concentration of chloride ions in a given solution?

asked 6 days ago in Analytical Chemistry

1 answer 43 views

What is the solubility product constant of calcium hydroxide in water at 25°C?

answered Jan 21 in Inorganic Chemistry

1 answer 40 views

What is discursive psychology's view on categorisation?

answered Jan 16 in Psychology

1 answer 23 views

What does the social learning theory explain?

asked Jan 15 in Psychology

1 answer 24 views

What is the role of school in adolescent identity development?

asked Jan 15 in Psychology

1 answer 5 views

What is the independent variable in experimental research?

answered Jan 15 in Psychology

1 answer 6 views

Why do humanistic psychologists consider unconditional positive regard important?

answered Jan 15 in Psychology

1 answer 27 views

Where do most ecosystems get energy from?

asked Jan 8 in Science

1 answer 22 views

What is the name of the stage of life when a child becomes sexually mature?

asked Jan 7 in Science

1 answer 24 views

What is the name of the mechanism in which sounds are encoded in microwaves by changing their frequency?

answered Jan 7 in Science

1 answer 25 views

What in the skin dilates, or widens, in order to increase blood flow to the bodys surface?

answered Jan 6 in Science

1 answer 24 views

The radiocarpal and midcarpal joints are responsible for all movements of the hand and what other part of the body?

answered Jan 2 in Science

1 answer 25 views

The innermost layer of the sun is known as what?

answered Jan 2 in Science

1 answer 23 views

Pepsin and trypsin are examples of enzymes involved in what bodily process?

asked Dec 31, 2024 in Science

1 answer 56 views

How many major massive extinctions have been since life began on earth?

answered Dec 30, 2024 in Science

1 answer 28 views

A growth spurt requires constant divisions of what?

asked Dec 30, 2024 in Science

1 answer 32 views

What is the functional unit of the kidney which actively filters blood and generates urine?

asked Dec 27, 2024 in Science

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