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sweet-ann [11.9K]
3 years ago
8

Which of the following best explains why overfishing is considered a bad practice? a. Overfishing is not sustainable and ultimat

ely depletes a fishery. b. Overfishing is a more expensive fishing practice. c. Overfishing results in species becoming overpopulated. d. Overfishing prevents the formation of protected habitats.
Chemistry
2 answers:
Vilka [71]3 years ago
8 0

Answer:

its A

Explanation:

Nata [24]3 years ago
4 0

Answer:

answer A because it's not sustainable and it is overfishing a population

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A metal, M, forms an oxide having the formula MO2 containing 59.93% metal by mass. Determine the atomic weight in g/mole of the
Damm [24]

Answer:

See solution.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to set up the formula for the calculation of the by-mass percentage of the metal:

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Thus, we solve for the molar mass of the metal to obtain:

59.93\% (m_M+32.00) =m_M*100 \%\\\\m_M*59.93\% +1917.76\% =m_M*100 \%\\\\m_M=47.86g/mol

For the subsequent problems, we proceed as follows:

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4.00gO_2*\frac{1molO_2}{32.00gO_2}=0.125molO_2

b.

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c.

0.235gNH_3*\frac{1molNH_3}{17.03gNH_3} *\frac{3molH}{1molNH_3}*\frac{6.022x10^{23}atomsH}{1molH}=2.49x10^{22}atomsH

Regards!

7 0
3 years ago
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As the measurements of the block are 5.00cm, 3.00cm and 2.00cm, the volume is:

Volume = 5.00cm*2.00cm*3.00cm

<h3>Volume = 30cm³</h3>

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3 years ago
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Vladimir79 [104]
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