Answer:
Triacylglycerols (triglycerides) are non-polar or hydrophobic molecules
Glycerophospholipids (phosphoglycerides) are polar or hydrophilic
Explanation:
Triacylglycerides (TGs) are esters synthesized by the esterification of three molecules of glycerol and fatty acid, and this is essentially by the replacement of the three hydroxyl groups on glycerol with three fatty acids. This removes the hydrophilic property from the glycerol molecule hence TGs are only soluble in non-polar solvents like alcohol and benzene, and TGs are therefore the storage forms of fats in adipose tissues.
Glycerophospholipids are formed by the addition of two hydrophobic fatty acid groups and one phosphoric acid (phosphate group) to glycerol (alcohol) leaving a hydrophilic head (phosphate end) and a hydrophobic tail (fatty acid ends). This amphipathic property of this molecule makes it a suitable molecule for membrane structures, especially of cells (lipid bi-layer), with an arrangement where the hydrophilic side interacts with the aqueous environment, while the hydrophobic side makes contact with the non-aqueous environment.
I think the answer you are looking for is .18 moles
Answer:
Li-F
Explanation:
Hydroxide is a negative ion, which can form ionic bonds with metals, but the bond in hydrogen and oxygen in hydroxide (OH-) is not ionic. It is covalent in nature.
C-C is clearly a covalent bond.
Li-F is an ionic bond.
Bond between H and Cl in H-Cl is covalent in nature. Because of the size difference hydrogen can not act as a cation. So it rather dissociates.
Answer:
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33.2 g of iron (Fe)
Explanation:
We have the following chemical reaction in which iron react with oxygen to form the iron (III) oxide:
4 Fe + 3 O₂ → 2 Fe₂O₃
number of moles = volume / 22.4 (L/mole)
number of moles of O₂ = 10 / 22.4
number of moles of O₂ = 0.446 moles
Taking in account the chemical reaction we devise the following reasoning:
if 4 moles of Fe react with 3 moles of O₂
then X moles of Fe react with 0.446 moles of O₂
X = (4 × 0.446) / 3 = 0.595 moles of Fe
number of moles = mass / molar weight
mass = number of moles × molar weight
mass of Fe = 0.595 × 55.8
mass of Fe = 33.2 g
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