Questions by SkyeVillasen

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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

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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

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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

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1 answer 20 views

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

asked Jan 8 in Science

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1 answer 28 views

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

asked Jan 7 in Science

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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

0 votes

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

0 votes

1 answer 25 views

Are giraffes herbivores or are they omnivores?

asked Dec 30, 2024 in Science

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