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3 years ago

Explain the role of rhinos in the food chain?

Chemistry

2 answers:

tatiyna3 years ago

5 0

The role of rhinos in the food chain is rhinos dig up mineral salts from the ground and fleas and ticks can go on the rhino’s skin

<h3>Further explanation </h3>

A rhinoceros, commonly abbreviated to rhino, is large, herbivorous mammals which identified by their characteristic of horned snouts. Rhinoceros" comes from the Greek "rhino" (nose) and "ceros" (horn). There are five species and 11 subspecies of rhino while some rhino have two horns, while others have one horns.

Rhinos are part of the food chain. Dung beetles depend on the droppings to feed and house themselves.

The role of rhinos in the food chain is rhinos dig up mineral salts from the ground with their horn. They have no natural predators, but fleas and ticks can go on the rhino’s skin

Rhinos are a bit too big for the majority predators to kill and eat them. The one devastating predator of rhinos are humans.

Rhinos help to keep the African plains healthy and ever renewed by eating the grasses and their poop also keeps the plants healthy

Despite their seemingly small role in the food chain, rhinos play a significant role in their ecosystem.

<h3>Learn more</h3>

Learn more about rhinos brainly.com/question/3421726

<h3>Answer details</h3>

Grade: 9

Subject: chemistry

Chapter: animals

Keywords: rhinos

hichkok12 [17]3 years ago

4 0

The role of rhinos in the food chain is... <span>White rhinos are grass-grazing animals, while black rhinos are low browsers. They fill similar roles in their ecosystems to other grazers and browsers. Their size means they eat a LOT, and also means that generally only their offspring are preyed on. So, recycling and trampling high-carbon foliage into fertilizer is their main function.
hope this helped</span>

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Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. Balance the equation f

dmitriy555 [2]

<u>Answer:</u> The mass of cryolite produced is 51.48 kg

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$ .....(1)

<u>For aluminium oxide:</u>

Given mass of aluminium oxide = 12.5 kg = 12500 g (Conversion factor: 1 kg = 1000 g)

Molar mass of aluminium oxide = 101.96 g/mol

Putting values in equation 1, we get:

$\text{Moles of aluminium oxide}=\frac{12500g}{101.96g/mol}=122.6mol$

<u>For NaOH:</u>

Given mass of NaOH = 55.4 kg = 55400 g

Molar mass of NaOH = 40 g/mol

Putting values in equation 1, we get:

$\text{Moles of NaOH}=\frac{55400g}{40g/mol}=1389mol$

<u>For HF:</u>

Given mass of HF = 55.4 kg = 55400 g

Molar mass of HF = 20 g/mol

Putting values in equation 1, we get:

$\text{Moles of HF}=\frac{55400g}{20g/mol}=2770mol$

For the given chemical reaction:

$Al_2O_3(s)+6NaOH(l)+12HF(g)\rightarrow 2Na_3AlF_6+9H_2O(g)$

By Stoichiometry of the reaction:

1 mole of aluminium oxide reacts with 6 moles of sodium hydroxide and 12 moles of HF.

So, 122.6 moles of aluminium oxide will react with $(6\times 122.6)=735.6mol$ of sodium hydroxide and $(12\times 122.6)=1471.2mol$ of HF

As, given amount of NaOH and HF is more than the required amount. So, they are considered as an excess reagent.

Thus, aluminium oxide is considered as a limiting reagent because it limits the formation of product.

By Stoichiometry of the reaction:

1 mole of aluminium oxide produces 2 moles of cryolite

So, 122.6 moles of aluminium oxide will produce = $\frac{2}{1}\times 122.6=245.2mol$ of cryolite

Now, calculating the mass of cryolite by using equation 1:

Molar mass of cryolite = 209.94 g/mol

Moles of cryolite = 245.2 mol

Putting values in equation 1, we get:

$245.2mol=\frac{\text{Mass of cryolite}}{209.94g/mol}\\\\\text{Mass of cryolite}=(245.2mol\times 209.94g/mol)=51477.3g$

Converting this into kilograms, we use the conversion factor:

1 kg = 1000 g

So, $51477.3 g\times (\frac{1kg}{1000g})=51.48kg$

Hence, the mass of cryolite produced is 51.48 kg

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2 years ago

In the bromination of arenes, which of the following statements regarding the reaction is true?a.The hydrocarbon is used in exce

Olenka [21]

The hydrocarbon is used in excess.

<h3><u>Explanation</u>:</h3>

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Marina86 [1]

We need to know the relationship between atmospheric pressure and the density of gas particles in an area of increasing pressure.

The relationship is: As air pressure in an area increases, the density of the gas particles in that area increases.

For any gaseous substance, density of gas is directly proportional to pressure of gas.

This can be explained from idial gas edquation:

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PM= $\frac{w}{V}$ RT

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Although the precise definition solely refers to the solute, the term "acid" is sometimes used to refer to an aqueous solution of an acid that has a pH lower than 8.

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Fynjy0 [20]

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