Recent activity by RodrigoBarkl

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Determine the bond energy required to break all the bonds in a molecule of methane (CH4) and calculate the total energy required to break all the bonds in 4.0 moles of methane. (Assume the bond energy values are: C-H bond energy = 413 kJ/mol and C-C bond energy = 347 kJ/mol)

answered 1 day ago in Chemical reactions

1 answer 30 views

Calculate the standard enthalpy change for the phase transition reaction of solid water (ice) at -10°C into liquid water at 25°C if the enthalpy of fusion of ice is 6.01 kJ/mol and the specific heat capacity of ice and liquid water are 2.09 J/g°C and 4.18 J/g°C, respectively.

answered 2 days ago in Chemical thermodynamics

1 answer 46 views

How can Raman spectroscopy be utilized to identify the presence of a specific compound in a sample, and what are the advantages of using Raman spectroscopy compared to other analytical methods?

asked Jan 29 in Analytical Chemistry

1 answer 38 views

Who proposed the stages of cognitive development?

asked Jan 20 in Psychology

1 answer 6 views

Where do gestalt psychologists believe perception occurs?

answered Jan 17 in Psychology

1 answer 24 views

According to the emotional processing theory, what is emotional processing?

asked Jan 17 in Psychology

1 answer 21 views

What is the main criticism of cognitive dissonance theory?

asked Jan 16 in Psychology

1 answer 19 views

What is the limbic system?

answered Jan 14 in Psychology

1 answer 20 views

What is the nature vs nurture debate in regards to identity?

asked Jan 13 in Psychology

1 answer 30 views

Which system consists of organs that break down food and absorb nutrients such as glucose?

answered Jan 8 in Science

1 answer 32 views

Which element has an atomic number of 16?

asked Jan 8 in Science

1 answer 25 views

Which theory is the idea that the characteristics of living organisms are controlled by genes, which are passed from parents to their offspring?

asked Jan 8 in Science

1 answer 22 views

Which equation improves upon the ideal gas law by adding two terms: one to account for the volume of the gas molecules and another for the attractive forces between them?

asked Jan 8 in Science

1 answer 55 views

Where does mechanical digestion begin?

asked Jan 8 in Science

1 answer 45 views

What is produced when an egg is fertilized by a sperm in a fallopian tube?

asked Jan 6 in Science

1 answer 24 views

Monoecious flowers are also known as “perfect” flowers because they contain both types of what organ?

asked Dec 31, 2024 in Science

1 answer 26 views

Hotspots can be used to tell the speed and direction that what object is moving?

asked Dec 30, 2024 in Science

1 answer 22 views

About how many thunderstorms are there each year worldwide?

asked Dec 30, 2024 in Science

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