Chemistry, 26.11.2019 17:31 hungtistic
Which of the following statements about ethylene and polyethylene is true?
a) the polymer has the same properties as the monomer.
b) the polymer has alternating double and single bonds between carbons, while the monomer has only single bonds between carbons.
c) the polymer has alternating double and single bonds between carbons, while the monomer has only double bonds between carbons.
d) the polymer has only single bonds between carbons, while the monomer has only double bonds between carbons.
Answers: 2
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List four observations that indicate that a chemical reaction may be taking place
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Chemistry, 22.06.2019 11:00
Imagine that twenty i.u.’s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?
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Chemistry, 22.06.2019 14:30
In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never
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Chemistry, 22.06.2019 16:00
He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
Answers: 2
Which of the following statements about ethylene and polyethylene is true?
a) the polymer ha...
a) the polymer ha...
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