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mixer [17]
2 years ago
14

Blank is the total disappearance of all members of a species.

Chemistry
2 answers:
Arisa [49]2 years ago
4 0

Answer:

The answer is Extinction.

Explanation:

<h3><u><em>"Extinction</em></u> is the total disappearance of all members of a species."</h3>

Vlad [161]2 years ago
3 0

Answer:

Extinction

Explanation:

When a species becomes extinct, every last specimen has died out

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3 years ago
The change in speed that could occur in 4 seconds in an object with an acceleration of 6 m/s/s.
bazaltina [42]

Answer:

24m/s

Explanation:

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2 years ago
1) Determine a fórmula da base hidróxido de bário: * 1 ponto a) b) c) d) 2) As bases são substâncias iônicas, ou seja, quando sã
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1) Ba(OH)₂

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To name this substance, we write the elements that form it, which are Ba OH, then we see the ionic charges that they have, Ba2+ OH 1- and we change these charges giving the 2+ to the OH and the 1- to the Ba. It would look Ba OH₂; we do not write the 1, and as there is a 2, the OH, has to be between brackets so that the final formula is Ba(OH)₂. What we did is balancing the charges of the elements. In other words, we need 2 OH for every Ba. Hydroxides give an electron to balance the Ba ionic charge.

Barium Hydroxide is an ionic compound because ionic compounds are formed by a metal (Ba) and a nonmetal element (OH), ionic compounds are charged, so when they are in an aqueous solution they conduct electricity because their ions move freely in the solution.                                          

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