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ziro4ka [17]
3 years ago
5

Which compound has the highest melting point? ch3(ch2)14cooh ch3(ch2)10ch=ch(ch2)2cooh ch3(ch2)2ch=ch(ch2)4ch=ch(ch2)4cooh ch3(c

h2)2ch=ch(ch2)2ch=ch(ch2)2ch=ch(ch2)2cooh all of these compounds have the same melting point?
Chemistry
1 answer:
Jlenok [28]3 years ago
7 0
The compound with the highest melting point is CH3 [CH2]14COOH.
This compound has the highest melting point because it has the highest number of CH2 bonds. The melting point of a compound refers to a particular temperature at which that substance changes from a solid to a liquid.
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What are ionic compounds​
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Answer: Ionic compounds are compounds consisting of ions.

Two-element compounds are usually ionic when one element is a metal and the other is a non-metal

Explanation: hope this helps!

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Which compound is a polar molecule and has a linear geometry
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Linear molecule is a molecule in which atoms are deployed in a straight line (under 180° angle). Molecules with an linear electron pair geometries have sp hybridization at the central atom. An example of linear electron pair and molecular geometry are carbon dioxide (O=C=O) and beryllium hydride BeH2.

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Which planet listed below will take the longest amount of time to orbit the sun?
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Neptune takes the longest to orbit the sun because of it's distance away from the Sun.

Explanation:

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3 years ago
How many forces act on each person? When they put there hands together or High five
EastWind [94]

Answer:

Left and right: two forces

Total: four forces

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if this helped please hit the thanks button <3

6 0
3 years ago
Read 2 more answers
Suppose a 250. mL flask is filled with 0.30 mol of N_2 and 0.70 mol of NO. The following reaction becomes possible:N_2(g) +O2 →
Inessa [10]

Answer:

0.4 M

Explanation:

Equilibrium occurs when the velocity of the formation of the products is equal to the velocity of the formation of the reactants. It can be described by the equilibrium constant, which is the multiplication of the concentration of the products elevated by their coefficients divided by the multiplication of the concentration of the reactants elevated by their coefficients. So, let's do an equilibrium chart for the reaction.

Because there's no O₂ in the beginning, the NO will decompose:

N₂(g) + O₂(g) ⇄ 2NO(g)

0.30 0 0.70 Initial

+x +x -2x Reacts (the stoichiometry is 1:1:2)

0.30+x x 0.70-2x Equilibrium

The equilibrium concentrations are the number of moles divided by the volume (0.250 L):

[N₂] = (0.30 + x)/0.250

[O₂] = x/0.25

[NO] = (0.70 - 2x)/0.250

K = [NO]²/([N₂]*[O₂])

K = \frac{(\frac{0.70 -2x}{0.250})^2 }{\frac{0.30+x}{0.250}*\frac{x}{0.250} }

7.70 = (0.70-2x)²/[(0.30+x)*x]

7.70 = (0.49 - 2.80x + 4x²)/(0.30x + x²)

4x² - 2.80x + 0.49 = 2.31x + 7.70x²

3.7x² + 5.11x - 0.49 = 0

Solving in a graphical calculator (or by Bhaskara's equation), x>0 and x<0.70

x = 0.09 mol

Thus,

[O₂] = 0.09/0.250 = 0.36 M ≅ 0.4 M

3 0
3 years ago
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