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2 years ago

An example of competition between members of two different species is

Chemistry

1 answer:

iren [92.7K]2 years ago

8 0

Answer:

B) purple loosestrife plants growing in the same wet areas as cattail plants

Explanation:

Competition between members of two species means that two different species are "fighting for" or desire the same resource. This resource could be shelter, food, territory, etc.

An organism cannot compete if it is already dead, so that eliminates answer choices A and C. Answer choice D is wrong because these are two organisms of the same species.

Answer choice B is correct because there are two different species competing for one area of land.

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What is the difference between a mixture and a compound? (need an easy two sentence answer (able to explain it to a 8 your old).

lina2011 [118]

A mixture is made from two or more substances that are chemically unlike and are not chemically joined. A compound is a substance formed when two or more elements chemically react with each other to ... substances because no new substance is formed, therefore they do not have any fixed properties.

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2 years ago

A chemical reaction was used to produce 2.95 moles of copper(II) bicarbonate, Cu(HCO3)2.

BARSIC [14]

Answer:

About 547 grams.

Explanation:

We want to determine the mass of copper (II) bicarbonate produced when a reaction produces 2.95 moles of copper (II) bicarbonate.

To do so, we can use the initial value and convert it to grams using the molar mass.

Find the molar mass of copper (II) bicarbonate by summing the molar mass of each individual atom:

$\displaystyle \begin{aligned} \text{MM}_\text{Cu(HCO$_3$)$_2$} &= (63.55 + 2(1.01)+2(12.01)+6(16.00))\text{ g/mol} \\ \\ &=185.59\text{ g/mol} \end{aligned}$

Dimensional Analysis:

$\displaystyle 2.95\text{ mol Cu(HCO$_3$)$_2$}\cdot \frac{185.59 \text{ g Cu(HCO$_3$)$_2$}}{1 \text{ mol Cu(HCO$_3$)$_2$}} \Rightarrow 547 \text{ g Cu(HCO$_3$)$_2$ }$

In conclusion, about 547 grams of copper (II) bicarbonate is produced.

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2 years ago

Describe the composition of the nucleus of an atom.

Vlada [557]

the answer is b it is composed of protons and neutrons.

hope this helped

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2 years ago

Which term best describes what Donna observed? A:dew B:fog C:mist D:rain

MariettaO [177]

I also think it’s B but not quite sure

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2 years ago

During the nuclear fission process, the transformation between a parent and daughter isotope involves a a release of neutrons an

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Answer:

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2 years ago