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4 years ago

Y-Chart Explain how an invasive species can influence each aspect of an ecosystem.

Chemistry

1 answer:

Katen [24]4 years ago

6 0

Answer:

Invasive species are an organism that causes ecological or economic harm in a new environment where it's not native.

Explanation:

An invasive species can harm both the natural resources in the ecosystem as well it threaten the human use of these resources and invasive species can be introduced to a new area via the ballast water of oceangoing ships, intentional and accidental releases of aquaculture species, aquarium specimens or bait, and etc.

Invasive species is capable of causing extinctions to native plants and animals, reducing biodiversity, competing with native organisms for limited resources, and altering habitats. This can also result a huge economic impacts and fundamental disruptions of coastal and the great lakes of the ecosystems.

I hope it helps you.

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How many molecules of water are there in 1 gram of water

alisha [4.7K]

Answer:

6.022*1023

Explanation:

3 0

3 years ago

Read 2 more answers

What mass of hydrogen is produced from 5.71 mol of aluminum?

nasty-shy [4]

Answer:

3.03 g

Explanation:

The first thing to do here is figure out the chemical formula for aluminium hydroxide.

Aluminium is located in group

of the periodic table, and forms

cations,

. The hydroxide anion,

−

, carries a

−

charge, which means that a formula unit of aluminium hydroxide will look like this

[

]

[

−

]

→

(

)

Now, you can figure out the mass of hydrogen present in

mole of aluminium hydroxide by first determining how many moles if hydrogen you get in

mole of aluminium hydroxide.

Since

mole of aluminium hydroxide contains

moles of hydroxide anions, which in turn contain

mole of hydrogen each, you can say that you will have

1 mole Al

(

)

→

moles OH

−

→

moles H

The problem tells you that the molar mass of hydrogen is equal to

1.01 g mol

−

. This means that

mole of hydrogen has a mass of

1.01 g

You can thus say that one mole of aluminium hydroxide contains

moles H

⋅

1.01 g

mole H

3.03 g H

∣

I'll leave the answer rounded to three sig figs. Btw my sister calculated this oof

5 0

3 years ago

Write the balanced chemical equation for the following reaction. Phases are optional. Solid calcium chlorate decomposes to form

Tanya [424]

Answer:

Ca(ClO₃)₂ (s) → CaCl₂ (s) + 3O₂ (g)

Explanation:

1) Word equation (given)

calcium chlorate (solid) → solid calcium chloride (solid) + oxygen (gas)

2) Chemical formulae of the reactant and products:

Calcium chlorate:

The most common oxidation states of chlorine are -1, +1, +3, +5, +7.

The suffix ate in chlorate means that chlorine atom is with the third lowest oxidation state (counting only the positive states). So, this is +5.

The oxidation state of calcium is +2.

Hence, the chemical formula of calcium chlorate is Ca(ClO₃)₂

Calcium chloride

The suffix ide in chloride means that chlorine is with oxidation state -1. Again the oxidation state of calcium is +2.

Hence, the chemical formula of calcium chloride is CaCl₂

Oxygen

Oxygen gas is a diatomic molecule, so its chemical formula is O₂.

Phases

The symbols s and g (in parenthesis) indicate the solid and gas phases respectively.

3) Chemical equation:

Ca(ClO₃)₂ (s) → CaCl₂ (s) + O₂ (g)

That equation is not balanced becasue the number of O atoms in the reactant side and in the product side are different.

4) Balanced chemical equation:

Add a 3 as coefficient in front of O₂(g), in the product side to balance:

Ca(ClO₃)₂ (s) → CaCl₂ (s) + 3O₂ (g)

Verify that all the atoms are balanced:

Atom Reactant side Product side

Ca 1 1

Cl 2 2

O 3×2 = 6 2×3 = 6

Conclusion: the equation is balanced and the final answer is:

Ca(ClO₃)₂ (s) → CaCl₂ (s) + 3O₂ (g)

5 0

4 years ago

The density of water is 1.0 grams per milliliter. What can you conclude from this simulation about whether an object will

aliina [53]

The density of water is 1.0 grams per milliliter then it will be sink in water

Density is a word we use to describe how much space an object or substance takes up in the volume and in relation to the amount of matter in that object or substance its mass) and another way to put it is that density is the amount of mass per unit of volume

Here given density is 1.0 grams per milliliter and it will be sink in water because the density of water in 1.0 g/ml and this object is more dense than water and the density of an object determines whether it will float or sink in another substance and an object will float if it is less dense than the liquid it is placed in and an object will sink if it is more dense than the liquid it is placed

Know more about density

brainly.com/question/18366165

#SPJ1

4 0

1 year ago

A 100 ml graduated cylinder with an inside diameter of 3.2 cm contains 34.0 g of gasoline and 34.0 g of water. what is the combi

Ivahew [28]

The volume of cylinder is 100 mL, inner diameter is 3.2 cm thus, radius will be:

$r=\frac{d}{2}=\frac{3.2 cm}{2}=1.6 cm$