Recent activity by Alfonzo8121

1 answer 24 views

How does the choice of polymer affect the mechanical properties and printability of 3D printed objects?

asked 4 days ago in Polymer Chemistry

1 answer 40 views

How can the synthesis and characterization of new cathode materials improve the performance and durability of fuel cells? What specific properties should be optimized in order to achieve better fuel cell performance and durability?

answered Feb 11 in Materials Chemistry

1 answer 33 views

Calculate the standard enthalpy change for the sublimation of iodine (I2) if 1 mole of I2(s) is converted to 1 mole of I2(g) at 25°C and 1 bar pressure. Given the following information:- The standard enthalpy of fusion of I2 is 15.4 kJ/mol- The standard enthalpy of vaporization of I2 is 41.3 kJ/mol- The standard entropy change for the sublimation of I2 is 62.4 J/mol K.

answered Feb 3 in Chemical thermodynamics

1 answer 86 views

A chemistry student needs to determine the concentration of NaOH in a 250 mL solution. They know that 10 mL of the solution was titrated with 0.1 M HCl solution, which required 8.5 mL of the HCl solution to be fully neutralized. Based on this information, what is the concentration of NaOH in the solution?

asked Jan 22 in Analytical Chemistry

1 answer 34 views

What did Harlow's research on monkeys involve?

answered Jan 17 in Psychology

1 answer 38 views

Who conducted the Minnesota Starvation Experiment?

answered Jan 17 in Psychology

1 answer 35 views

Why is the concept of species-typical behaviour important in evaluating animal psychology?

answered Jan 16 in Psychology

1 answer 47 views

What is the main difference between correlation and causation?

asked Jan 13 in Psychology

1 answer 31 views

What type of shape does a pelvic inlet have?

answered Jan 8 in Science

1 answer 70 views

What species do humans belong to?

answered Jan 7 in Science

1 answer 37 views

What phenomenon, crucial for evolution, creates new genetic variation in a gene pool and is how all new alleles first arise?

answered Jan 7 in Science

1 answer 41 views

What is the intersection point of the critical temperature and the critical pressure called?

asked Jan 7 in Science

1 answer 46 views

What is the beneficial function to the body of sweating?

answered Jan 6 in Science

1 answer 53 views

The ratio between the radii of a wheel and axle determines what?

asked Jan 2 in Science

1 answer 66 views

During strenuous exercise our muscles perform what kind of fermentation?

answered Dec 30, 2024 in Science

1 answer 41 views

As the atoms approach one another, their electron clouds gradually begin to do what?

answered Dec 30, 2024 in Science

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