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masha68 [24]
3 years ago
6

How can you tell whether a fat contains primarily saturated or unsaturated fatty acids?

Chemistry
1 answer:
Romashka-Z-Leto [24]3 years ago
3 0
In terms of physically observing it, if the substance is a lions based substance, like oil or margarine, depending on the state, this will inform how well the hydrocarbons can pack together well or not, or will there be bends in the ring preventing the molecules from packing well.

Liquids are unsaturated
Solids are saturated.
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hat is the percentage of water in the following compound? Answer using three significant figures. Sodium carbonate decahydrate,
BigorU [14]
You need to find the whole molar mass of the compound using the periodic table to add the values. 

Na2CO3= (2 x 23.0) + 12.0 + (3 x 16.0)= 106 g/mol
H2O= 10 x [ (2 x 1.01 ) + (16.0) ]= 180.2 g/mol

the total molar mass is 106 + 180.2 = 286.2 g/mol

the percentage of water you can find by doing "parts over the whole"

H2O%= 180.2 / 286.2 X 100= 63.0%
7 0
3 years ago
Is aluminum homogeneous or heterogeneous?
inn [45]
<span> aluminum is an element. All elements are pure substances, so that means they are homogenous.
please mark as brainliest

</span>
8 0
4 years ago
How many atoms or moles of each element are on either side of the yield arrow? Is this equation balanced? 2Na+H2O---&gt; NaOH+2H
Anton [14]
4 NA+4H2O —> 4NaOH+2H2

I hope that helped
4 0
3 years ago
The force of gravity pulls down on your house with a total force of 300,000 newtons. The force of gravity pulling down on your h
Mila [183]

Answer: B. Was twice as tall

Explanation: The strength of the gravitational force between two objects depends on two factors, mass and distance. If the distance is doubled, the force of gravity is one-fourth as strong as before.

7 0
3 years ago
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Select all steps below that you followed to practice laboratory safety during the experiment. used tongs or a test tube holder t
uysha [10]

Explanation:

Steps followed to practice laboratory safety during the experiment are as follows.

  • Used tongs or a test tube holder to hold materials over the Bunsen burner flame.
  • Wore gloves and goggles.
  • Made careful observations of the products and reactants.
  • Did not smell the gases produced.

When we heat a test tube over bunsen flame then the tube gets hot and when we hold it with bare hands then out hands will burn. Therefore, it is advised to hold test tube with the help of tongs or a holder so that our hands did not burn.

We should also wear gloves and goggles so that any acid would not spill directly on our hands, skin and eyes as it can affect or damage the skin severely.

Careful observations were made so that correct calculations about the experiment can be carried out.

It is also advised that we should not smell the gases produced but gases move freely from one place to another in a laboratory or any where else.

So, we can try to avoid it by covering our mouth with a cloth but we cannot stop it. If we keep on inhaling the gases produced in a laboratory then it can also lead to severe disease or defect in the human body.

8 0
3 years ago
Read 2 more answers
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