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lisabon 2012 [21]
3 years ago
12

You have been given a piece of evidence indicating that plant and animal life is scarce in this environment. Identify this envir

onment and the correct explanation.
Chemistry
1 answer:
vladimir2022 [97]3 years ago
5 0

Answer:

Desert.

Explanation:

Desert is a region that has low amount of precipitation or rainfall throughout the year. Desert is also characterized by the fact that desert has high evaporation rate because desert is very hot.

Not all plants and animals can thrive in this kind of condition, but few plants and animals can and they do that by developing an advance features or traits so as to survive the region. The most common example of plant that can thrive in the desert is the cactus plant and the most common example of animal that can thrive in the desert is the camel.

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I’d say the last one
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Komok [63]

Answer:

wavelengths

Explanation:

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How do I study Chemistry efficiently?
TEA [102]
Review and Study Material Before Going to
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Seek Understanding.

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2 years ago
A chemist measures the amount of chlorine gas produced during an experiment. She finds that of chlorine gas is produced. Calcula
Trava [24]

Answer:

0.779 moles.

Explanation:

Mass of chlorine/number of moles = molar mass of chlorine.

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2 years ago
Need help ASAP!<br><br> How many moles of sodium nitrate are in 0.25 L of 1.2 M NaNO3 solution?
Setler79 [48]

Answer:

\boxed {\boxed {\sf 0.3 \ mol \ NaNO_3}}

Explanation:

Molarity is a measure of concentration in moles per liter.

molarity= \frac{moles \ of \ solute}{liters \ of \ solution}

The molarity of the solution is 1.2 M NaNO₃ or 1.2 moles NaNO₃ per liter. There are 0.25 liters of the solution. The moles of solute are unknown, so we can use x.

  • molarity= 1.2 mol NaNO₃/L
  • liters of solution=0.25 L
  • moles of solute =x

1.2 \ mol \ NaNO_3/L= \frac{x}{0.25 \ L}

We are solving for x, so we must isolate the variable, x. It is being divided by 0.25 liters. The inverse of division is multiplication, so we multiply both sides by 0.25 L.

0.25 \ L *1.2 \ mol \ NaNO_3/L=\frac{x}{0.25 \ L} *0.25 \ L

0.25 \ L *1.2 \ mol \ NaNO_3/L=x

The units of liters cancel, so we are left with the units moles of sodium nitrate.

0.25  *1.2 \ mol \ NaNO_3=x

0.3 \ mol \ NaNO_3=x

There are 0.3 moles of sodium nitrate.

3 0
2 years ago
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