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Alchen [17]
3 years ago
9

NEED ANSWER ASAP

Chemistry
2 answers:
Ber [7]3 years ago
8 0
That would be Mutualism
snow_tiger [21]3 years ago
6 0
That would be B: Commensalism
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Answer:

No

Explanation:

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3 years ago
Calculate the solubility (in g/L) of CaSO 4 ( s ) CaSO4(s) in 0.400 M Na 2 SO 4 ( aq ) at 25 ° C 0.400 M Na2SO4(aq) at 25°C. The
Allushta [10]

Explanation:

Ionization equation for CaSO_{4} is as follows.

     CaSO_{4} \rightarrow Ca^{2+} + SO^{2-}_{4}

        s              s           s

Now, the expression for the solubility product is as follows.

          K_{sp} = [Ca^{2+}][SO^{2-}_{4}]

                = s \times s

                = s^{2}

As the concentration of Na_{2}SO_{4} is given as 0.4 M.

So,  [Na_{2}SO_{4}] = [SO^{2-}_{4}] = 0.4 M

Putting the given values as follows.

           K_{sp} = [Ca^{2+}][SO^{2-}_{4}]

     4.93 \times 10^{-5} = [Ca^{2+}] \times 0.4

              [Ca^{2+}] = 12.325 \times 10^{-5}[/tex]

Hence, the solubility of CaSO_{4} in Na_{2}SO_{4} is 12.325 \times 10^{-5}.

Therefore, solubility of CaSO_{4} in g/ml as follows.

        12.325 \times 10^{-5} \times 136 g/mol

           = 0.0167 g/L

Thus, we can conclude that solubility of CaSO_{4} is 0.0167 g/L.

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Harry Hess resurrected Wegener’s continental drift hypothesis and also the mantle convection idea of Holmes.
stepan [7]

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true

Explanation:

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Fission is similar to mitosis because they both involve splitting. 

Answer: <span><span>d. mitosis</span></span>
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What do we call the items that we mix together to create synthetic materials? *
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