PLEASE HELP!!! 20 POINTS!!!
2 answers:
1. True
1. False
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Answer:
12.5 gm left
Explanation:
30 minutes is THREE half lives
1/2^3 = 1/8th would be left
100g * 1/8 = 12.5 gm
Answer:
All you have to do is count the number of electrons in the shells and place them according to the atomic number. I just did it.
Explanation:
Answer:
Arterioles
Explanation:
Arterioles
Its subatomical particles have no electrical charges
Answer:
Explanation:
<u>1) Data:</u>
a) M = ?
b) n = 0.400 mol
V = 9.79 liters
<u>2) Formula:</u>
<u>3) Solution:</u>
M = 0.400 mol / 9.79 liter = 0.04086 M
Since each data contain 3 significant digits, the answer must be reported with 3 significant digits. So, the correct answer is 0.0409 M, which is the option B.
