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Lisa [10]
3 years ago
14

¿En qué campos de la investigación se llevan a cabo la mayor parte de técnicas relacionadas con la biotecnología?

Chemistry
1 answer:
bekas [8.4K]3 years ago
5 0
Can’t understand question. I don’t know Spanish
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What do we call compounds that will not dissolve in water
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covalent compounds

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The answer is 5. Compound

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Look at sample problem 19.10 in the 8th ed Silberberg book. Write the Ksp expression. Find the concentrations of the ions you ne
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Answer:

Explanation:

From the information given:

CaF_2 \to Ca^{2+} + 2F^-

Ksp = 3.2 \times 10^{-11}

no of moles of Ca^{2+} = 0.01 L × 0.0010 mol/L

no of moles of Ca^{2+} = 1 \times 10^{-5} \ mol

no of moles of F^- = 0.01 L × 0.00010 mol/L

no of moles of F^- = 1 \times 10^{-6}\ mol

Total volume = 0.02 L

[Ca^{2+}}] = \dfrac{1\times10^{-5} \ mol}{0.02 \ L} \\ \\  \\  \[[Ca^{2+}}] = 0.0005 \ mol/L

[F^{-}] = \dfrac{(1\times 10^{-6} \ mol)}{0.02 \ L}

[F^{-}] = 5 \times 10^{-5}  \ mol/L

Q = [Ca^{2+}][F^-]^2 \\ \\ Q = 0.0005 \times (5\times 10^{-5})^2 \\ \\ Q = 1.25 \times 10^{-12}

Since Q<ksp, then there will no be any precipitation of CaF2

3 0
3 years ago
I need help:<br>Ionic Compounds are formed from atoms that have opposite charges. True Or False?
liq [111]

It is <u>true</u> that ionic compounds are formed from atoms that have opposite charges.

<h3>What are ionic compounds?</h3>

Ionic compounds are chemical compounds made up of ions held together by electrostatic forces termed ionic bonding.

The ionic compound formed is neutrally charged but consists of positively charged ions called cations and negatively charged ions called anions.

For example, the sodium ions attract chloride ions and the chloride ion attracts sodium ions. The result is the formation of an ionic compound with cation Na+ and anion Cl– ions.

Therefore, it is true that an ionic compound is made up of positive and negative ions.

Learn more about ionic compound at: brainly.com/question/9167977

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1 year ago
A procedure calls for the bromination of 12 mmol of trans‑cinnamic acid with 12 mmol of Br 2 in glacial acetic acid solvent. Sel
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Answer: The yield of dibromide product will be approximately one‑half of the expected yield.

Explanation:

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