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3 years ago

What is an invasive species? (Site 2) help please

1 answer:

6 0

An invasive species is a species that is either placed in a a new community or finds way there itself. Either way, it is not supposed to be there and it disrupts the natural order of things in the ecosystem that it invades. It can often almost eradicate a species in the food web, which can prove daangerous as it can destroy the consisteny of the whole food web.

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What is inside the nucleus of an atom

Tamiku [17]

The nucleus of a atom contains the protons and the neutrons all most all of the atoms mass is weigh by the protons and the neurons.

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4 years ago

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What mass of hydrogen is produced when 192 g of magnesium is reacted with hydrochloric acid?

mariarad [96]

Answer:

Mg+2HCL-Magnesium Chloride +Hygrogen

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Explanation:

N.O of moles=Mass\Molar Mass

192÷24=8

1:1

8×2=16

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2 years ago

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What is a harmful role of bacteria?

zzz [600]

Answer:

sickness.

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some bacterium cause sickness, kike a stomach bug.

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4 years ago

What are the different characteristics that can be used to identify an unknown mineral

brilliants [131]

These are just a couple ways to identify unknown minerals,touch taste smell

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4 years ago

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Write the net ionic equation for this reaction occurring in water: ammonium fluoride and magnesium chloride are mixed to form ma

MAXImum [283]

Correct answer: 3. $Mg^{2+}(aq) + 2 F^{-}(aq) --> MgF_{2}(s)$

The given chemical reaction is between ammonium fluoride and magnesium chloride to form magnesium fluoride and ammonium chloride.

The balanced chemical equation representing the reaction will be,

$2NH_{4}F (aq) + MgCl_{2}(aq) -->MgF_{2} (s) + 2NH_{4}Cl (aq)$

The complete ionic equation for the reaction: All the compounds soluble in water (aqueous) will split into ions, $MgF_{2}$ will not split into ions as it is insoluble in water.

$2 NH_{4}^{+}(aq) + 2 F^{-}(aq) + Mg^{2+}(aq) + 2 Cl^{-}(aq) --> MgF_{2}(s) + 2 NH_{4}^{+}(aq) + 2 Cl^{-}(aq)$

The net ionic equation will be:

$Mg^{2+}(aq) + 2 F^{-}(aq) --> MgF_{2}(s)$

Here the spectator ions are $NH_{4}^{+} and Cl^{-}$

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3 years ago