If the units for gases were the same as the units for numbers would be too small to be convenient.
For example, the density of iron is 7.87 g/cm³.
Using the same units, the density of hydrogen is 0.000 0899 g/cm³.
It is much more convenient to express the density in numbers that are easier to visualize: 0.0899 g/L, and that is still a small number.
Answer:
Both ethanol and diethyl ether have tetrahedral geometry.
Explanation:
VSEPR Rules are
1. Identify the central atom.
2. Count its valence electrons.
3. Add one electron for each bonding atom.
4. Add or subtract electrons for charge
5. Divide the total of these by 2 to find the total.
number of electron pairs.
6. Use this number to predict the shape.
The attachment shows their Lewis's dot structure.
Answer:
c. Three fatty acid chains and a 'backbone' of glycerol
Explanation:
A triglyceride is ester which is derived from glycerol and three (may be different or same) fatty acids. The name is thus derived as tri ( 3 fatty acids) - and glyceride (glycerol backbone). Triglycerides are main constituents of the body fat in human body and other vertebrates.
<u>Triglycerides are the tri-esters which consist of glycerol attached to 3 molecules of fatty acid.</u> Alcohols consists of hydroxyl group. Organic acids consists of carboxyl group. Alcohols and organic acids join to form esters. <u>The molecule of glycerol has 3 hydroxyl groups which are bonded to three fatty acid molecules via ester bonds.</u>
Answer: 6
Explanation:
1) The structure shown is:
3CH₃CH₂O
2) The molecule is CH₃CH₂O. The chemical formula is CH₃CH₂O. The subscripts indicate the number of atoms of the corresponding atom in each molecule.
Then, there are 1 + 1 = 2 atoms of C, 3+ 2 = 5 atoms of H, and 1 atom of O.
3) The number in front of the molecule is the coefficient. It is 3, and it tells the number of molecules.
So, there are 3 molecules, which means that you have 3 times a many atoms as calculated previously.
That is 3×2 = 6 atoms of C, 3 × 5 = 15 atoms of H, and 3 × 1 = 3 atoms of O.
Then, the number of atoms of carbon (C) in 3 molecules is 6
Answer:
True
Explanation:
Protons have a positive electrical of +1