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lukranit [14]
3 years ago
9

Short Answer, Continued. Write short responses for each of the following questions. Limit text to less than 75 words. In some ca

ses, you are asked to draw structures as part of your answers. (35 points, 5 points each)
d) Draw three structural isomers (aka constitutional isomers) of amides with the formula C3H-NO (3pts). Rank them in terms of melting point (MP), 1= highest MP and 3 = lowest MP (1pt). Explain your ranking (1 pt).
e) Hexafluorobenzene reacts in nucleophilic aromatic substitution (NAS) with strong nucleophiles. If it reacts with NaOCH3, can the reaction easily be stopped after one fluoride undergoes substitution or will the product be more reactive than the starting material? Explain your answer. If it reacts with KCN, can the reaction easily be stopped after one fluoride undergoes substitution or will the product be more reactive than the starting material? Explain your answer.
Chemistry
1 answer:
Lunna [17]3 years ago
8 0

Answer:

I dont get it what am i supposed to do?

Explanation:

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A syringe containing 1.63 mL of oxygen gas is cooled from 91.0 ∘C to 0.9 ∘C. What is the final volume Vf of oxygen gas? (Assume
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Answer:

Vf = 1.22 mL

Explanation:

If we assume that the pressure is constant and the number of moles does not change, we can say that the volume of the gas is modified in a directly ratio, to the Absolute Temperature.

Let's convert the values:

91°C + 273 = 364K

0.9°C + 273 = 273.9K

Volume decreases if the temperature is decreases

Volume increases if the T° increases

V₁ / T₁  = V₂ / T₂ → 1.63mL /364K = V₂ / 273.9K

V₂ = (1.63mL /364K) . 273.9K → 1.22 mL

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Answer:

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Renewable energy is better for the environment as it is not something that takes millions of years to form, as some non-renewable energy sources are.

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