Answer:
qualitative data : quantitative data :
circular in shape 75 colonies ...
stained purple 200 purple ..
spreads across plate 55 colonies ...
Explanation:
i got it right :) .
Answer:
C. 2-methylpropane
Explanation:
There are rules guiding the naming of hydrocarbons. Some of the rules are:
1.) The longest continuous chain is the parent chain:
The longest chain here is made up of 3-carbon atoms which is a propane compound
2.)The carbon atoms are numbered in the parent chain to indicate where branching or substitution takes place.
Here, it is in the second carbon atom in propane.
The branched group is methyl- which is a methane molecule that has lost a hydrogen atom.
This makes ths name of the compound to be:
2-methylpropane
Answer:
0.400 mL
Explanation:
Hello, the dilution factor (in folds) is given by:

Thus, the sample volume with three significant figures is given by:

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Answer:
Ethylene glycol is a syrupy liquid at room temperature whereas polyethylene glycol is a solid material. The main difference between ethylene glycol and polyethylene glycol is that ethylene glycol has a fixed value for molecular weight whereas polyethylene glycol has no fixed value for molecular weight.