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marin [14]
3 years ago
9

What happens if an organism cannot carry out its life function?

Chemistry
1 answer:
Katyanochek1 [597]3 years ago
8 0

Answer:

<em><u>organisms cannot stay with out getting nutrients as they will not be able to repair them selves or produce energy.</u></em>

Explanation:

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does a reaction occur when an aqueous solution of calcium iodide and sodium sulfate are combined. If a reaction does occur write
lara [203]

Answer:

Yes. Ca²⁺(aq) + SO₄²⁻(aq) ⟶ CaSO₄(s)

Step-by-step explanation:

The possible reaction is

CaI₂ + Na₂SO₄ ⟶ CaSO₄ + 2NaI

To predict a reaction, you must know <em>the solubility rules</em>.

The important ones for this question are

  1. Salts containing Na⁺ are <em>soluble</em>. Thus, NaI is soluble.
  2. Most sulfates are soluble, but CaSO₄ is not. Thus, CaSO₄ is a precipitate, and a reaction occurs.

Molecular equation

CaI₂(aq) + Na₂SO₄(aq) ⟶ CaSO₄(s) + 2NaI(aq)

Ionic equation

Ca²⁺(aq) + <u>2I⁻(aq)</u> + 2Na²⁺(aq) + SO₄²⁻(aq) ⟶ CaSO₄(s) + 2Na⁺(aq) + 2I⁻(aq)

Net ionic equation

Cancel all ions that appear on both sides of the reaction arrow (underlined).

Ca²⁺(aq) + <u>2I⁻(aq) </u>+ <u>2Na²⁺(aq)</u> + SO₄²⁻(aq) ⟶ CaSO₄(s) + <u>2Na⁺(aq)</u> + <u>2I⁻(aq) </u>

The net ionic equation is

Ca²⁺(aq) + SO₄²⁻(aq) ⟶ CaSO₄(s)

5 0
3 years ago
Explain how how radioactive decay can result in one element changing into another?
Marina CMI [18]

Answer:

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Explanation:

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6 0
3 years ago
3 ejemplos de sublimacion<br>​
Vanyuwa [196]

Uno:

El dióxido de Carson (CO2)

7 0
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What is the correct chemical name for the molecular compound if6?
Sati [7]
Iodine hexafluoride is the chemical name
5 0
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What is the mass of a sample containing 1.94 moles of Ca? ______g
Andrej [43]

Answer:

77.8 grams of Ca

Explanation:

5 0
2 years ago
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