Which fatty acid shown above (A or B) is a saturated fatty acid? How do you know?

Chemistry

1 answer:

bonufazy [111]3 years ago

5 0

Answer:

The answer is A.

Explanation:

Saturated fatty acids contain long, unbranched chains of carbon atoms. In addition to that, there are no double bonds within the carbon atoms. Hope this helps :)

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in the reaction Mg (s) + 2HCl (aq) -> H2 (g) + MGCl (aq), how many moles of hydrogen gas will be produced from 75.0 millilite

cricket20 [7]

Step One
Find the moles of HCl
C = 1.0 mol/L
V = 75 mL = 75 / 1000 = 0.75 L
Note the concentration is in Liters.

Formula
n = C*V

Solve
n = 1.0 * 0.075
n = 0.075 moles

Step two
Adjust the number of moles of HCl
How every mol of H2 produced, you will require 2 mol of HCl

$\frac{2 mol HCl}{1 mol H_2} = \frac{0.075\text{mol of HCl given}}{x}$

2/1 = 0.075/x Cross multiply
2x = 0.075 Divide by 2
x = 0.075 / 2
x = 0.0375 moles of H2 <<<<<<<<< Answer

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const2013 [10]

The metals. Primarily the left side

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If a planet rotates 360 degrees during a 24 hour time period, what does that tell us about the planet? A. The middle of the plan

vlabodo [156]

The correct answer is C

Explanation:

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It completes one rotation on its own axis in 24 hours equal to 360 degrees which make one complete solar day. The part of the earth which is exposed to the sun has daytime while the other part experiences the night time.

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If the heat capacity of an object is known, what other information will need to be known to calculate its specific heat capacity

zimovet [89]

Answer:

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Explanation:

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The experiment above is repeated, but instead of extracting once with 6 mL the extraction is done three times with 2 mL of dichl

nevsk [136]

Complete Question

A student is extracting caffeine from water with dichloromethane. The K value is 4.6. If the student starts with a total of 40 mg of caffeine in 2 mL of water and extracts once with 6 mL of dichloromethane

The experiment above is repeated, but instead of extracting once with 6 mL the extraction is done three times with 2 mL of dichloromethane each time. How much caffeine will be in each dichloromethane extract?

Answer:

The mass of caffeine extracted is $P = 39.8 \ mg$