When evaluating good graph what are the things you look for
1 answer:
Here are the things I look for (can you find them in my Boyle’s Law graph below?).
1. A title that describes the experiment.
2. Axes that are
(a) Highlighted (drawn darker than the rest of the lines)
(b) Scaled (in units of 1, 2, or 5 or multiples of 10 of these numbers) to fill the whole graph area
(c) Labelled with the variable name and units. Dependent variable on vertical axis; independent variable on horizontal axis.
3. A graph area containing
(a) Horizontal and vertical grid lines from the major axis divisions
(b) Plotted points marked by a special symbol (often a circle)
(c) A line of best fit that goes as close as possible to all the points without necessarily going through any of them
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<em>Diamond and graphite are allotropes of carbon and have various differences in their physical properties.</em>
Explanation:
<u>Diamond:</u>
- It is crystalline in nature
- Each Each C is
hybridized and forms 4 covalent binds with neighboring C atoms
- The geometry is tetrahedral
- C-C bond length is 154 pm
- It has rigid covalent boning which is difficult to break.
- It acts as an electric insulator
<u>Graphite:</u>
- It has layered structure
- Each C atom is sp2 hybridized and forms 3 sigma bonds with 3 other C atoms. Fourth electron forms pi bond.
- The geometry is planar
- C-C bond length is 141.5 pm
- It is soft. Its layers can be separated easily
- It is good conductor of electricity.
This is the comparison of the physical properties of two forms of carbon: diamond and graphite