<span>Comets are made of ices, such as water, carbon dioxide, ammonia and methane, mixed with dust. These materials came from the time when the Solar System was formed.
A comet is a small object made of ice and dust that orbits the Sun and foems a coma as it approaches the Sun.
Hope this helped ☺</span>
Answer:Aristotle
Explanation:
Aristotle pioneered scientific method in ancient Greece alongside his empirical biology and his work on logic, rejecting a purely deductive framework in favour of generalisations made from observations of nature.
Answer:
B. CH₅N
Explanation:
The combustion reaction of a compound CₐHₓNₙ with O₂ is:
CₐHₓNₙ + O₂ → a CO₂ + X/2 H₂O + n NO₂
Where 1 mole of CₐHₓNₙ with an excess of O₂ produce a moles of CO₂, X/2 moles of H₂O and n moles of NO₂
Thus, you need to convert the mass of CO₂ and H₂O to moles to find the C:H ratio and determine a possible empirical formula thus:
Moles CO₂ (Molar mass 44g/mol):
44g ₓ (1mol / 44g) = 1 mole CO₂ = 1 mole C
Mole of H₂O (Molar mass 18g/mol):
45g ₓ (1 mol / 18g) = 2.5 moles H₂O = 5 moles H
Thus, in the compound you have 5 moles of H per mole of C, and a possible empirical formula is:
B. CH₅N
The only structure that meet this C:H ratio
Personally I think it’s easiest to read over just the definitions over and over and then go back to the words and say oh yeah that’s this definition also make sure u don’t memorize them in order IT WONT BE THAT WAY ON THE TEST anddd quizlet is ur bff bc they usually have any or most sets or vocab
THE ANSWER IS C.!!! HOPE THIS HELPS!
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