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Grace [21]
3 years ago
5

A substance that yields a cation plus the hydroxyl ion in water is a(n)_____.

Biology
2 answers:
Helga [31]3 years ago
8 0
A substance that yields a cation plus the hydroxyl in water is base
miv72 [106K]3 years ago
3 0

Answer;

A base

Explanation;

-A base is a substance that yields a cation plus the hydroxyl ion in water. A base is a substance that accepts hydrogen ions. When a base is dissolved in water, it dissociates to yield hydroxyl ions. Hydroxyl ion is a negatively charged molecule made up of one oxygen bonded to one hydrogen.

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A pea plant that has round seeds has the genotype Rr. It is crossed with a pea plant that has wrinkled seeds and the genotype rr
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3 years ago
The population of a colony of mosquitoes obeys the law of uninhibited growth. If there are 1000 mosquitoes initially and there a
Agata [3.3K]

Answer:

2,855 is the size of the colony of mosquitoes after 4 ​days.

Explanation:

The law of uninhibited growth is given as:

A=A_o\times e^{k\times t}

A_o= Original amount

A = Amount after time t

k = Positive constant repressing the rate of growth

We are given with:

Original population of mosquitoes = 1000

Population of mosquitoes after 1 day =1300

t = 1 day

1300=1000\times e^{k\times 1 day}

k = 0.2623 day^{-1}

Population size of mosquitoes after 4 days

A_o=1000, k= 0.2623 day^{-1}

A =? , t = 4 days

A=1000\times e^{ 0.2623 day^{-1}\times 4 days}

A =2,855.36 ≈ 2,855 mosquitoes

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3 years ago
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