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Alex787 [66]
3 years ago
5

Leopards and cheetahs look very similar, since both have spotted coats, but the two species of big cats are actually quite diffe

rent. Leopards are usually bigger than cheetahs, and they are typically more aggressive. Unlike cheetahs, which hunt small mammals in groups, leopards hunt alone, and while they eat anything from insects to antelope, leopards can catch animals weighing as much as 400 pounds. Cheetahs are relatively comfortable around humans and have even been kept as pets, while leopards have occasionally been known to attack humans unprovoked.
Which inference is best supported by the details in the text?
A. Leopards are better hunters than cheetahs. B. Cheetahs are smaller than leopards.
C. Leopards are more dangerous than cheetahs
D. Leopards work together to drag their prey into trees.​
Chemistry
1 answer:
Lisa [10]3 years ago
3 0
The answer is letter A i think
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A quantum of electromagnetic energy is called photon

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26. Single Displacement

27. Synthesis

28. Decomposition

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Mercury and oxygen react to form mercury(II) oxide, like this: 2Hg (l) + O2 (g) → 2HgO (s) At a certain temperature, a chemist f
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<u></u>

  • <u>Kc = 12.4 M⁻¹</u>

Explanation:

<u>1) Chemical equilibrium</u>

  • 2Hg (l) + O₂ (g) ⇄ 2HgO (s) (the double arrow indicates an equilibrium reaction)

<u />

<u>2) Equilibrium constant, Kc:</u>

  • The equilibrium constant, Kc, is equal to product of the concentrations of each product,each raised to its stoichiometric coefficient / product of the concentrations of each reactant each raised to its stoichiometric coefficient.
  • Since the concentrations of liquid and solid substances remain practically constant, their value is incorporated into the constant Kc, and the equation only uses the concentrations of the aqueous or gaseous substances.

Thus, the equation to use is:

  • Kc = 1 / [O₂(g) ]

<u>3) Determine the concentration of O₂ (g)</u>

  • M = number of moles / volume in liters

  • Number of moles = mass in grams / molar mass

  • Number of moles of O₂ (g) = 13.4 g / 32.00 g/mol = 0.419 mol

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<u>4) Compute Kc</u>

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The sugar in a soda does ? because it does not settle at the bottom of its container?​
Airida [17]

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dissolves

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