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Usimov [2.4K]
3 years ago
10

What impact does claim ate have on biodiversity​

Chemistry
1 answer:
SashulF [63]3 years ago
3 0

Do you mean climate? If so;

Essentials, healthy ecosystems and rich biodiversity are fundamental to life on our planet. Climate is affecting the habitats of several creatures, which must migrate to areas with better conditions. Even small changes in average temperatures can have a significant effect upon ecosystems.

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The thermite reaction reacts iron (III) oxide, Fe2O3, with aluminium powder,Al, the form aluminium oxide, Al2O3 and iron, Fe.
lara [203]

Answer:

<u><em>This answer assumes that the strated "16.0g of iron" was meant to be 16.0 grams of iron(III) oxide.</em></u>

Explanation:

To start, the thermite equation must be balanced.

I find:

1Fe2O3 + 2Al = 1Al2O3 + 2Fe

This tells us we need 2 moles of Al for every 1 mole of Fe2O3.  

Now calculate the moles of each reactant:

Moles Fe2O3:  16.0 g/159.7 g/mole = <u>0.100 moles Fe2O3</u>

Moles Al:  8.1 /26.98 g/mole = <u>0.300 moles Al</u>

The balanced equation says that in order to react all of the Fe2O3 we'd need twice that amount (in moles) of the Al.  (0.100 moles Fe2O3)*(2) = 0.200 moles Al.

<u>Which of the two reactants is the limiting reagent?</u>

We have more than enough moles of Al to react with 0.10 moles of Fe2O3.  (We have 0.300 moles Al and all we need is 0.200 moles to react with the 0.10 moles of Fe2O3.  <em>Fe2O3 is the limiting reagent.</em>

<u><em>Calculate the maximum mass of iron of iron that could be formed using these quantities of reactants.</em></u>

The balanced equation tells us that we will obtain 2 moles of Fe for every 1 mole of Fe2O3 consumed.  Since Fe2O3 is the limiting reagent, we will assume that it completely reacts.  That means 0.1 moles of Fe2O3 is reacted.  Since we expect twice that many moles of Fe, we should obtain 0.200 moles of Fe.  At 55.85 g/mole, we should obtain:

(0.200 moles Fe)*(55.85 g Fe/mole Fe) = 11.2 grams Fe

<em></em>

<em></em>

5 0
1 year ago
What is the Mechanical advantage of a machine that only changes the direction of the force?
Sloan [31]

Answer: 1

Explanation:

The number of times a machine increases a force exerted on it The input force will be the same as the output force.

6 0
3 years ago
I will mark brainliest
elena55 [62]

Answer:

d

Explanation:

it's the only one that seems to make sense

3 0
3 years ago
Heat will flow from a hot object to a cold object until the objects reach A. stability. B. boiling point. C. collapse. D. equili
Aleonysh [2.5K]
The thermal energy will flow from the hotter object to the cooler object until their temperatures are equal i.e. until they reach equilibrium.

Answer:
D. equilibrium
6 0
3 years ago
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In general atoms of transition elements in Period 5 characterized by an incomplete
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The correct answer is 4d subshell
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