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timurjin [86]
3 years ago
11

Where my Todoroki fans at?

Chemistry
1 answer:
bulgar [2K]3 years ago
8 0

Answer:

What is mean by todoraki

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Please answer the attachment below
ipn [44]

Explanation:

population of geese = 1000

number of males in first year = 400 = (400/1000)x100 = 40%

number of males in second year = 500 = (500/1000)x100 = 50%

10% more of the male population is compared with one year ago.

6 0
3 years ago
How can you determine whether its bonds are ionic or covalent?
cestrela7 [59]
There is a couple different ways to determine if<span> a </span>bond<span> is </span>ionic or covalent<span>. By definition, an </span>ionic bond<span> is between a metal and a nonmetal, and a </span>covalent bond<span> is between 2 nonmetals. So you usually just look at the periodic table and </span>determine whether<span> your compound is made of a metal/nonmetal or is just 2 nonmetals</span>
5 0
4 years ago
15 points + brainliest pls help :(
Komok [63]

Answer:

27 g

Explanation:

M(C6H12O6) = 6*12 + 12*1 + 6*16 = 180 g/mol

100 mL = 0.1 L solution

1.5 M = 1.5 mol/L

1.5 mol/L * 0.1 L = 0.15 mol  C6H12O6

0.15 mol * 180 g/1 mol = 27 g C6H12O6

6 0
3 years ago
Which is considered a chemical mutagen? tanning beds tobacco X-rays precious metals
Elza [17]
<span>the one that is considered a chemcial mutagen is : Tobacco Chemical mutagen refer to the substance that affected the DNA of those who consume the substancce or their offspring. Studies showed that consuming tobacco has proven to created DNA deformations for the fetus if it consumed by pregnant women</span>
7 0
3 years ago
Read 2 more answers
Phosphoric acid (h3po4) is tribasic, with pka's of 2.14, 6.86, and 12.4. The charge of the ionic form that predominates at ph 3.
Annette [7]

Correct answer is H_2PO_4^-.

Phosphoric acid is a polyprotic acid having 3 acidic hyrdogen therefore it will have 3 pka values.

The equations for the release of acidic hydrogen can be written as:

\\H_3PO_4\rightleftharpoons H_2PO_4^-+H^+\text{ pka=2.14}\\H_2PO_4^-\rightleftharpoons HPO_4^2^-+H^+\text{ pka=6.86}\\HPO_4^2^-\rightleftharpoons PO_4^3^-+H^+\text{ pka=12.4}

From the pka values we can judge the idea of pH as using Henderson-Hasselbalch Equation, we get the relation between pH and pka.

HA\rightarrow H^-+A^-

Using the following equation, relation of pH and pka is

pH=pka+log\frac{[A^-]}{HA}

Using this equation, we can find that the equation having pka= 2. 14 is closest to the pH=3.2 so the ionic form in this equation will be dominant at the same pH.

Therefore at pH=3.2 the ionic form H_2PO_4^- of H_3PO_4 is dominant.


7 0
3 years ago
Read 2 more answers
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