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Scrat [10]
3 years ago
7

An inherited behavior or physical characteristics that helps an organism survive and reproduce Natural selection Predation Adapt

ation Competition
look at pic thanks :D​

Chemistry
1 answer:
KiRa [710]3 years ago
7 0

Answer:

it's natural selection

Explanation:

adaptation is when you adapt to some situation

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Molar mass  of Al₂(CrO₄)₃ is the mass of  one mole of  Al₂(CrO₄)₃
one mol =weight of Al₂(CrO₄)₃  in g /one mol
1) We have to find the atomic mass (in a periodic talbe) of the following elements  (in u)
Al=26.98 u
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O=16 u

2)We calculate the atomic weight of Al₂(CrO₄)₃
Atomic weight (Al₂(CrO₄)₃)=2(26.98 u)+3[(52 u)+4(16 u)]=
=53.96 u+3(52 u+64 u)=53.96 u+3(116 u=53.96 u+348 u=401.96 u

3) One mole of (Al₂(CrO₄)₃ ) have 401.96 g of Al₂(CrO₄)₃ 

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answer: 401.96 g/ mol

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How do you balance this chemical equation?
ryzh [129]
Ba(ClO3)2 --> BaCl2 + 3 O2

The fact that there are some ionic compounds doesn't matter. Just use the formulas.
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Now create the unbalanced equation
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And balance in the usual fashion. Count the atoms of each element on both sides
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