Answer:
Explanation:
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In this case, by considering the Raoult's law we can write:
Whereas the purpose is to compute the pressures of both methanol and ethanol (pressures above the solution), thus, the first step is to compute the molar fractions:
Therefore, the pressures turns out:
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The molar mass of water is the molecular weight in grams per 1 mole.
18gH2O/1mole
100g × 1mole/18g = 50/9 moles = 5.67 moles H2O
The kinetic energy J of the eagle is mathematically given as
K.E=1350
<h3>What is the kinetic energy (in joule) of the eagle? </h3>
Question Parameters:
A 12-kilogram eagle is flying at 15 meters/sec.
Generally, the equation for the kinetic energy is mathematically given as
K.E=1/2mv^2
Therefore
K.E=1/2(12)(15)^2
K.E=1350J
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The answer is d: Combustion, because it is the so-called combustion of methan. (Check your lesson)