2 years ago

Select the correct answer.

Chemistry

1 answer:

Scilla [17]2 years ago

5 0

Answer:

I think it Might Be C

Explanation:

I'm Not sure

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How much energy is required to vaporize 0.5kg of water?

White raven [17]

Answer:

Explanation:

Vaporization Equation => Q = m·ΔHv

m = 0.5Kg water = 500g water

ΔHv = Heat of vaporization = 540 calories/gram

∴Q = 500g x 540cal/g = 270,000 calories x 4.184 joules/cal = 1,129,680 joules = 1130 Kilojoules (3 sig. figs.)

3 0

3 years ago

Asparagine is a polar amino acid shown here at ph 7 what is the maximum

KonstantinChe [14]

Maximum number of water molcules which can take part in forming hydrogen bonding interaction with asparagine are 13. Following structure shows the interactions. Lone pair of electrons act as hydrogen bond acceptors and hydrogen atoms attached to heteroatoms acts as hydrogen bond donors.