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3 years ago

Why is an ecosystem still healthy although there's still a lot of consumers in it?

Chemistry

1 answer:

siniylev [52]3 years ago

3 0

Answer:

because it is a sign that there are more producers for the consumers.

Explanation:

An ecosystem consist of the abiotic or inorganic components, the animals[consumers], the plants[producers] and the decomposers. An ecosystem simply means the environment of organisms that are living together and the way these organisms interact with another.

The producers that is the plants are the ones manufacturing food by themselves either by photosynthesis or chemosynthesis and the consumers are the ones relying on the producers for food.

The ecosystem is still healthy even when there's still a lot of consumers in it because it shows that there are come producers that is to say the producers are more also. If this is not the case, then the ecosystem will not be healthy as the consumers will eat the producers until the producers will not be enough.

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Iron has a density of 7.87mL. How much mass would a 12.3mL sample contain?

algol [13]

The correct answer is 96.80 grams

Explanation:

The density of a substance shows the total mass the substance contains in 1 mL or 1 cm3 as density is calculated by using the formula D= M (mass) / V (volume). This implies, Iron contains 7.87 grams per milliliter. Moreover, this value and formula can be used to calculate the mass or volume of any other sample. The process to calculate the mass of an iron sample with a volume of 12.3 mL is shown below.

D = M ÷ V

7.87 mL = x ÷ 12.3 mL - x represents the missing value. Now find the value of x by solving the equation

x = 7.87 · 12.3

x = 96.80

This means a sample of 12.3 mL contains a mass of 96.80 grams. Also, you can know this value is correct because if you divide the mass by the value the density is the same (96.80 grams ÷ 12.3 mL = 7.87 g/mL)

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3 years ago

I'm very confused on Solubility and Temperature. Please Help!

lukranit [14]

When a solid is added to a liquid, there exists a possibility that it will get dissolved in the solid. However, this depends on a lot of factors, like the temperature of the substances, the volume of the liquid, and the amount and nature of the solid to be dissolved.

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3 years ago

Sulfur hexafluoride, a dense gas, is held in two separate containers in a storage room at an atmospheric pressure of 755 mmHg an

dimaraw [331]

Explanation:

As it is given that both the given containers are at same temperature and pressure, therefore they have the same density.

So, mass of $SF_{6}$ in container- 1 is as follows.

5.35 mol x molar mass of $SF_{6}$

= 7.61 mol x 146.06 g/mol

= 1111.52 g

Therefore, density of $SF_{6}$ will be calculated as follows.

Density = $\frac{mass}{volume}$

density = $\frac{1111.52 g}{2.09 L \times 1000 ml/L}$

= 0.532 g/mL

Now, mass of $SF_{6}$ in container- 2 is calculated as follows.

4.46 L x 1000 mL/L x 0.532 g/mL

= 2372.72 g

Hence, calculate the moles of moles $SF_{6}$ present in container 2 as follows.

No. of moles = $\frac{mass}{\text{molar mass}}$

= $\frac{2372.72 g}{146.06 g/mol}$

= 16.24 mol

Since, 1 mol $SF_{6}$ contains 6 moles F atoms .

So, 16.24 mol $SF_{6}$ contains following number of atoms.

= $16.24 mol \times 6$

= 97.46 mol

Thus, we can conclude that moles of F atoms in container 2 are 97.46 mol.

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3 years ago

What must always be true if a covalent bond is to be polar?

Aleksandr [31]

N a polar covalent bond<span>, the electrons shared by the atoms spend a greater amount of time, on the average, closer to the Oxygen nucleus than the Hydrogen nucleus. This is because of the geometry of the molecule and the great electronegativity difference between the Hydrogen atom and the Oxygen atom.</span>

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4 years ago

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Need help please<br> Balancing the equation in the pic

IRINA_888 [86]

2KClO3=2KCl+3O2
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3 years ago