Recent activity by Roberto00R31

1 answer 25 views

How does the composition of glass affect its optical properties and how can this understanding be used to develop improved glasses for optical applications?

answered 4 days ago in Materials Chemistry

1 answer 59 views

Calculate the enthalpy of adsorption when 2.5 grams of hydrogen gas is adsorbed onto a surface at a temperature of 298 K. The equilibrium pressure of hydrogen gas at this temperature is 1.5 atm and the surface area of the adsorbent is 50 cm². (Assume ideal gas behavior and that the adsorption occurs under standard conditions.)

asked Jan 23 in ThermoChemistry

1 answer 35 views

When was the first experimental demonstration of classical conditioning?

asked Jan 20 in Psychology

1 answer 35 views

According to the interpersonal-psychological theory of suicidal behaviour, what are the key factors that predict suicide risk?

asked Jan 20 in Psychology

1 answer 29 views

Where would you find most pollution of ocean water?

answered Jan 8 in Science

1 answer 70 views

What is the scientific name for the human species?

answered Jan 7 in Science

1 answer 35 views

What is the difference between the daily high and the daily low?

asked Jan 6 in Science

1 answer 40 views

In harmonic motion there is always what force, which acts in the opposite direction of the velocity?

asked Dec 31, 2024 in Science

1 answer 42 views

In addition to a nucleus what do eukaryotic cells have?

answered Dec 31, 2024 in Science

1 answer 35 views

Birds are thought to have evolved around 150 million years ago from what?

asked Dec 30, 2024 in Science

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