3 years ago

What are some abiotic factors that ocean creatures near the shore need to be adapted to?

Chemistry

1 answer:

alexdok [17]3 years ago

5 0

Answer:A.salinity levels, air quality, water density

Explanation:nba youngboy

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After 41.0 min, 41.0% of a compound has decomposed. what is the half-life of this reaction assuming first-order kinetics?

Rom4ik [11]

<span>After 41.0 min, 41.0% of a compound has decomposed. what is the half-life of this reaction assuming first-order kinetics?</span>

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3 years ago

Calculate the man’s height . (Use PE = m × g × h, where g = 9.8 N/kg.)

monitta

From the formula PE = mgh, find h.

Divide both sides for mg (because we have them) so we have PE/mg = mgh/mg

h = PE/mg

h = 4620 J/ (56 kg * 9,8 N/kg)

h = 4620 J / 548.8 N = 8.4 m (circa)

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3 years ago

54.5 mL of liquid gallium metal is poured into a graduated cylinder. The gallium filling the graduated cylinder weighs 10.686 g.

mezya [45]

Answer:

<h3>The answer is 0.20 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

$density = \frac{mass}{volume} \\$

From the question

mass = 10.686 g

volume of liquid gallium = 54.5 mL

So we have

$density = \frac{10.686}{54.5} \\ = 0.1960733944...$

We have the final answer as

Hope this helps you

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3 years ago

Can some1 please answer these questions

Yakvenalex [24]

Answer:

the answer of your question is yes

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2 years ago

A 390 mL solutions of 4.6 M HCl is left out over the weekend and 74 mL of solvent evaporates. What is the new concentration of H

storchak [24]

Answer:

5.7 M

Explanation:

You have .390 L of 4.6 M HCl.

.390 L * 4.6 mol/L = 1.794 mol HCl

.390-.074=.316 L solvent remaining

1.794 mol/.316 L=5.7 M HCl

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3 years ago