What does symbiosis mean in your words. science work

Chemistry

1 answer:

Nat2105 [25]3 years ago

8 0

Answer:

the living together in more or less intimate association or close union of two dissimilar organisms (as in parasitism or commensalism) especially : mutualism.

Explanation:

hope this helps!

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If an atom has 30 electrons and 35 neutrons, what is its approximate atomic mass? what is the name of this element?

Murljashka [212]

30 electrons = atomic number
Look at your periodic table. You will see zinc has a atomic number (the top number) of 30.

When you add 30 and 35 you get 65. The is the atoms ATOMIC MASS. So looking at zinc on the periodic table, look at its bottom number, which is its atomic mass. It will be 65.

This means the name of the element is ZINC.

Hope this helped!

6 0

3 years ago

_____?or current flow, can be thought of as a faucet being turned on and water flowing.

HACTEHA [7]

Answer: Circuit Flow

Explanation:

Water flowing though pipes is an analogy often used to help us understand Electrical Circuit flow. The pipe is like the wire in the electric circuit. The pump is like the battery. The generated pressure of the pump pushes water through the pipe, just as the voltage pushes electrons through the circuit. I will attach an image so you can visualize what I wrote. :)

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3 years ago

How can the percent yield be used to determine the actual yield of a chemical reaction

Alexeev081 [22]

Answer: Theoretical yield is calculated based on the stoichiometry of the chemical equation. The actual yield is experimentally determined. The percent yield is determined by calculating the ratio of actual yield/theoretical yield.

Explanation:

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3 years ago

Phosphoric acid has 3 pka values, which are 2.1, 6.9, and 12.4. draw the protonated form of phosphoric acid associated with the

Margaret [11]

As mentioned above, phosphoric acid has 3 pKa values, and after 3 ionization it gives 3 types of ions at different pKa values:

H₃PO₄(aq) + H₂O(l) ⇌ H₃O⁺(aq) + H₂PO₄⁻ (aq) pKₐ₁
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</span>H₂PO₄⁻(aq) + H₂O(l) ⇌ H₃O⁺(aq) + HPO₄²⁻ (aq) pKₐ₂

HPO₄²⁻(aq) + H₂O(l) ⇌ H₃O⁺(aq) + PO₄³⁻ (aq) pKₐ₃

At the highest pKa value (12.4) of phosphoric acid, the last OH group will lose its hydrogen. On the picture I attached, it is shown required protonated form of phosphoric acid before reaction whose pKa value is 12.4.

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4 years ago

1. which is not a component of biodiversity

Vera_Pavlovna [14]

The answer is C, i just took the k-12 test~

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3 years ago

What does symbiosis mean in your words. science work​

What does symbiosis mean in your words. science work