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jek_recluse [69]
3 years ago
6

This happens in massive star which convert hydrogen into helium? ​

Chemistry
1 answer:
katovenus [111]3 years ago
6 0

Answer:

nucleosynthesis. A star's mass determines what other type of nucleosynthesis occurs in its core (or during explosive changes in its life cycle).

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Fluorine has the highest. Fluorine's electronegativity is 4.0
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. Find the mass of 0.159 mol silicon dioxide.​
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Answer:

9.55 grams of SiO2

Explanation:

If the mass you mean by grams:

0.159 mole x 60.08 g (Periodic table by adding both elements)

Cancel moles with moles (Original moles with the 1 mol at the bottom of the grams) and gives you:

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<span>                                     HOBr + H2O </span>⇄<span> OBr- + H3O+

2) HOBr is a weak acid and have a lower value of dissociation constant (Ka ~ </span><span>2.3 X 10^–9). Hence, </span><span> large number of undissociated HOBr molecules are left in solution, when the reaction is completed/reaches equilibrium.</span>


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3 years ago
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