Recent activity by SkyeVillasen

1 answer 21 views

How can chemistry instructors better support students with learning disabilities in the classroom to enhance their learning experience and academic performance in the subject?

answered 23 hours ago in Chemical education

1 answer 23 views

Calculate the standard enthalpy of formation of ethane (C2H6) given the following bond energies (in kJ/mol):C-C: 347C-H: 413 Note: The equation for the formation of ethane is:C(graphite) + 3H2(g) -> C2H6(g)

asked 2 days ago in ThermoChemistry

1 answer 25 views

Calculate the standard enthalpy change for the reaction: NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l) Given the following information: ΔHf° [NaOH(aq)] = -469.1 kJ/mol ΔHf° [HCl(aq)] = -167.2 kJ/mol ΔHf° [NaCl(aq)] = -407.3 kJ/mol ΔHf° [H2O(l)] = -286 kJ/mol

answered 2 days ago in Chemical thermodynamics

1 answer 43 views

How can Raman spectroscopy be utilized to identify the presence of aspirin in a given sample?

asked Jan 29 in Analytical Chemistry

1 answer 47 views

Given an unknown compound, how can one identify its molecular formula and structural information using mass spectrometry? Provide a step-by-step guide on how to interpret the mass spectral data to identify the compound's functional groups and possible structures.

answered Jan 29 in Analytical Chemistry

1 answer 43 views

Calculate the equilibrium constant (K) of the electrochemical reaction below at 298K:Fe(s) + Cu2+(aq) ⇌ Fe2+(aq) + Cu(s) Given that at standard state (1 atm and 298K) the standard reduction potentials of Fe2+(aq)/Fe(s) and Cu2+(aq)/Cu(s) are -0.44 V and +0.34 V, respectively.

asked Jan 23 in ElectroChemistry

1 answer 13 views

According to the cognitive-behavioural model, what is the role of negative thoughts in trauma?

answered Jan 17 in Psychology

1 answer 25 views

What is the main concept of the trait approach to personality?

answered Jan 10 in Psychology

1 answer 36 views

What is the main criticism of the biological approach to psychology?

answered Jan 10 in Psychology

1 answer 33 views

Wind blown sand contributes to what type of erosion?

answered Jan 8 in Science

1 answer 20 views

What type of roads and parking lots prevent rainwater from soaking into the ground?

asked Jan 8 in Science

1 answer 21 views

What type of energy is possessed by autumn leaves before they fall?

answered Jan 8 in Science

1 answer 43 views

What is the process by which wind blows to make the ground surface gets lower and rockier ?

answered Jan 7 in Science

1 answer 28 views

What is the only known planet with large amounts of water?

asked Jan 7 in Science

1 answer 6 views

The most common substance on earth, water, is primarily present in what state?

answered Jan 2 in Science

1 answer 7 views

The atomic number of tungsten is 74. therefore, in a neutral atom of tungsten, there are 74 electrons. the atomic number of argon is 18. therefore, in a neutral atom of argon, there are how many electrons?

asked Dec 31, 2024 in Science

1 answer 46 views

In a controlled scientific study, what do you call a factor that can take on different values?

asked Dec 30, 2024 in Science

1 answer 25 views

Are giraffes herbivores or are they omnivores?

asked Dec 30, 2024 in Science

1 answer 8 views

Brown algae are important commodities for what?

answered Dec 27, 2024 in Science

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