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2 years ago

Can you identify the parts of a triglyceride molecule?.

1 answer:

monitta2 years ago

8 0

A triglyceride consists of a glycerol molecule and three fatty acid molecules in ester linkage to the glycerol molecule.

<h3>What is a triglyceride?</h3>

A triglyceride refers to a form of lipid found in fats stores in the body and which are produced during the digestion of fats.

Triglycerides are also known as triacylglycerols

A triglyceride molecule is composed of:

a glycerol molecule
three fatty acids which are in ester linkage with the hydroxyl group of the glycerol molecule.

Therefore, a triglyceride consists of a glycerol molecule and three fatty acid molecules in ester linkage to the glycerol molecule.

Learn more about triglycerides at: brainly.com/question/25435720

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You aren't sure if your pH meter needs to be calibrated, so you put it in a buffer solution that has a known pH of 7. You take f

Roman55 [17]

Answer:

Neither

Explanation:

Even though the average between the 4 measurements is 7.45, the measurements are not accurate. This is probably due to the pH meter being out of calibration or because there is some contamination in the buffer solution

5 0

3 years ago

A sunscreen preparation contains 2.60 % by mass benzyl salicylate. If a tube contains 6.0 oz of sunscreen, how many kilograms of

Marrrta [24]

Answer : The mass of benzyl salicylate needed to manufacture 350 tubes of sunscreen are, 1.55 kg

Explanation :

As we are given that a sunscreen preparation contains 2.60 % by mass benzyl salicylate. That means, 2.60 grams of benzyl salicylate present in 100 g of solution.

First we have to convert the given mass from oz into kg.

Conversion used:

1 kg = 35.274 oz

or,

$1oz=\frac{1}{35.274}kg$

So,

$6oz=\frac{6oz}{1oz}\times \frac{1}{35.274}kg=0.1701kg$

Now we have to determine the mass of benzyl salicylate.

As, 100 g of solution contains mass of benzyl salicylate = 2.60 g

So, 0.1701 kg of solution contains mass of benzyl salicylate = $\frac{2.60g}{100g}\times 0.1701kg=0.00442kg$

Now we have to determine the mass of benzyl salicylate are needed to manufacture 350 tubes of sunscreen.

Mass of benzyl salicylate in 350 tubes of sunscreen = 0.00442 kg × 350

Mass of benzyl salicylate in 350 tubes of sunscreen = 1.55 kg

Thus, the mass of benzyl salicylate needed to manufacture 350 tubes of sunscreen are, 1.55 kg

6 0

4 years ago

A sample of gas contains 0.1100 mol of H2(g) and 5.500E-2 mol of O2(g) and occupies a volume of 6.69 L. The following reaction t

sp2606 [1]

Answer:

4.46L

A. 181L

B. 133L

Explanation:

For the reaction:

2H₂(g) + O₂(g) → 2H₂O(g)

0,1100 moles of H₂ with 0,0055 moles of O₂ produce 0,1100 moles of H₂O(g)

Using Avogadro's law that says that equal volumes of all gases, at the same temperature and pressure, have the same number of molecules. It is possible to write:

V₁ / n₁ = V₂ / n₂

Where:

V₁ is initial volume (6.69L); / n₁ are initial moles (0.1100moles+0.00550moles); V₂ is final volume and n₂ final moles (0.1100moles)

6.69L / 0.165moles = V₂ / 0.1100moles

V₂ = 4,46L

A. For the reaction:

CH₄(g) + CCl₄(g) → 2CH₂Cl₂(g)

The volume of methane you require is 181L. Again, you can use Avogadro's law to know that equal volumes have the same number of molecules. As the reaction is 1:1, volume of methane must be the same of carbon tetrachloride.

B. For the reaction:

4NH₃(g) + 5O₂(g) → 4NO(g) + 6H₂O(g)

You can use, again, Avogadro's law. If 4 moles of reaction that occupy 53,3L produce 10 moles of gases that occupy...:

V₁ / n₁ = V₂ / n₂

Where:

V₁ is initial volume (53,3L); / n₁ are initial moles (4moles); V₂ is final volume and n₂ final moles (10)

53.3L / 4moles = V₂ / 10moles

V₂ = 133L

I hope it helps!

3 0

3 years ago

Guys the semester is about to end and i still got so much hw to do plaease help.

lesantik [10]

Answer:

yah sure bud ill help

Explanation:

6 0

3 years ago

What are the coefficients for the following equation when it is balanced?

konstantin123 [22]

1, 2, 1, 2, in that order.

3 0

3 years ago