Chemistry, 16.11.2020 17:20 vandarughb2875
Each molecule of lycopene contains 40 atoms of carbon (plus other atoms). The mass percent of carbon in lycopene is 84.49%. What is the molar mass of lycopene?a. 1137.2 g/mol
b. 405.9 g/mol
c. 480.4 g/mol
d. 473.4 g/mol
e. 568.6 g/mol
Answers: 2
Chemistry, 22.06.2019 07:30
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
Chemistry, 22.06.2019 23:00
If two identical atoms are bonded,what kind of molecule is formed
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Chemistry, 23.06.2019 02:50
Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3ยทxh2o; you should do this also. round your answer to the nearest integ
Answers: 2
Each molecule of lycopene contains 40 atoms of carbon (plus other atoms). The mass percent of carbon...
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