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Sergeeva-Olga [200]
3 years ago
13

What is a triglyceride? Draw the skeletal structure for a saturated triglyceride whose hydrocarbon tails each contain six carbon

s.

Chemistry
1 answer:
yanalaym [24]3 years ago
7 0

Answer:

The correct answer is triglyceride is fat (lipid) found in human body.

Explanation:

Triglyceride are an measure of human's heart health. When we intake food, the body automatically converts all the unused calories into lipids called triglyceride. These fats are stored in fat cells and are released whenever we need energy. High levels of triglyceride in the body can lead to a number of hearth diseases like heart stroke as they harden and thicken arteries. We can control our triglyceride by avoiding intake of excessive sugar, choosing healthier fats and exercising daily.

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Based on the passage , where in the United States would a physician encounter the most cases of SAD ?
Montano1993 [528]

Answer/Explanation:

We cannot see the passage, but SAD stands for Seasonal Affective Disorder. SAD is a type of depressive disorder related to lack of light, and therefore changes with the seasons. It is a severe version of the "winter blues"

In the winter months, where the days are shorter, individuals who suffer from SAD suffer from mood changes. They get depressed, have a reduction in energy levels, and withdraw socially. They may also gain weight. This causes problems with relationships, work, and school.

Since SAD is linked to light, SAD is likely more common in the Northern areas of the United States, where winter days are shorter.

7 0
3 years ago
The thermite reaction reacts iron (III) oxide, Fe2O3, with aluminium powder,Al, the form aluminium oxide, Al2O3 and iron, Fe.
lara [203]

Answer:

<u><em>This answer assumes that the strated "16.0g of iron" was meant to be 16.0 grams of iron(III) oxide.</em></u>

Explanation:

To start, the thermite equation must be balanced.

I find:

1Fe2O3 + 2Al = 1Al2O3 + 2Fe

This tells us we need 2 moles of Al for every 1 mole of Fe2O3.  

Now calculate the moles of each reactant:

Moles Fe2O3:  16.0 g/159.7 g/mole = <u>0.100 moles Fe2O3</u>

Moles Al:  8.1 /26.98 g/mole = <u>0.300 moles Al</u>

The balanced equation says that in order to react all of the Fe2O3 we'd need twice that amount (in moles) of the Al.  (0.100 moles Fe2O3)*(2) = 0.200 moles Al.

<u>Which of the two reactants is the limiting reagent?</u>

We have more than enough moles of Al to react with 0.10 moles of Fe2O3.  (We have 0.300 moles Al and all we need is 0.200 moles to react with the 0.10 moles of Fe2O3.  <em>Fe2O3 is the limiting reagent.</em>

<u><em>Calculate the maximum mass of iron of iron that could be formed using these quantities of reactants.</em></u>

The balanced equation tells us that we will obtain 2 moles of Fe for every 1 mole of Fe2O3 consumed.  Since Fe2O3 is the limiting reagent, we will assume that it completely reacts.  That means 0.1 moles of Fe2O3 is reacted.  Since we expect twice that many moles of Fe, we should obtain 0.200 moles of Fe.  At 55.85 g/mole, we should obtain:

(0.200 moles Fe)*(55.85 g Fe/mole Fe) = 11.2 grams Fe

<em></em>

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5 0
2 years ago
How does scarcity impact society
g100num [7]

Answer:

a market/society is dictated by supply and demand and scarify affects the supply of a product because if something is more scarce/rare then usually there is a higher demand and a higher price. This impacts society because it affects the price of things and how much people are willing to give for it

Explanation:

3 0
2 years ago
Read 2 more answers
How much NaOH (in grams) is needed to prepare 463 mL of solution with a pH of 10.020?
tino4ka555 [31]

Answer: 1.94\times 10^{-3}g of NaOH

Explanation:

pH or pOH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydrogen ion concentration.

pH=-\log [H^+]

Putting in the values:

10.020=-\log[H^+]

[H^+]=9.55\times 10^{-11}

[H^+][OH^-]=10^{-14}

[OH^-]=\frac{10^{-14}}{9.55\times 10^{-11}}=1.05\times 10^{-4}M

NaOH\rightarrow Na^++OH^-

Molarity=\frac{moles\times 1000}{\text {Volume in ml}}

1.05\times 10^{-4}M=\frac{moles\times 1000}{463ml}

moles = 4.86\times 10^{-5}

Mass of NaOH=moles\times {\text {Molar mass}}=4.86\times 10^{-5}\times 40=1.94\times 10^{-3}g

Thus 1.94\times 10^{-3}g of NaOH is needed to prepare 463 mL of solution with a pH of 10.020

8 0
3 years ago
What are some properties of sand paper
Otrada [13]
Rough, tan, grainy, and scratchy are some
7 0
3 years ago
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