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Talja [164]
3 years ago
7

Which word refers to the smallest functional unit of living thing

Chemistry
1 answer:
erastova [34]3 years ago
8 0
A cell is a word that refers to the smallest functional unit of a living thing
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You find a geode while hiking. You place it on a scale and find it has a mass of 62 g.
dexar [7]

Answer:

B

Explanation:

I think that's it.. hope I helped you

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Which of the following is an adaptation that helps protect the animal?
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C ( Porcupines use there’s sharp quills to defend themselves from larger predators!)
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2 years ago
Two completely different compounds may contain identical elements.<br><br> True<br> False
lesantik [10]
True. 

For example: Sodium oxide and Nitric acid; both compounds contain oxygen. 
7 0
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The survival of aquatic organisms depends on the small amount of O2 that dissolves in H2O . The diagrams above represent possibl
koban [17]

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Diagram 1

Explanation:

The solubility of the oxygen gas in water has to do with the interaction of the oxygen with the dipoles in water.

Water is a polar molecule having oxygen as the negative dipole and hydrogen as the positive dipole.

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4 0
3 years ago
The ksp of calcium carbonate, caco3, is 3.36 × 10-9 m2. calculate the solubility of this compound in g/l.
maw [93]
CaCO₃ partially dissociates in water as Ca²⁺ and CO₃²⁻. The balanced equation is,
                       CaCO₃(s) ⇄ Ca²⁺(aq) + CO₃²⁻(aq)
Initial                Y                   -                 -
Change           -X                  +X              +X
Equilibrium      Y-X                 X                X

Ksp for the CaCO₃(s) is 3.36 x 10⁻⁹ M²

                Ksp = [Ca²⁺(aq)][CO₃²⁻(aq)]
3.36 x 10⁻⁹ M² = X * X
3.36 x 10⁻⁹ M² = X²
                    X = 5.79 x 10⁻⁵ M

Hence the solubility of CaCO₃(s) = 5.79 x 10⁻⁵ M
                                                     = 5.79 x 10⁻⁵ mol/L

Molar mass of CaCO₃ = 100 g mol⁻¹

Hence the solubility of CaCO₃ = 5.79 x 10⁻⁵ mol/L x 100 g mol⁻¹
                                                 = 5.79 x 10⁻³ g/L

7 0
3 years ago
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