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tensa zangetsu [6.8K]
2 years ago
9

What adaptation’s do swallowtail possess? Plz it’s urgent

Chemistry
1 answer:
Alina [70]2 years ago
7 0

4 items being divided equally among 3 people

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The reaction that is carried out by the enzyme catalase produces __________. The reaction that is carried out by the enzyme cata
Mnenie [13.5K]

Answer:

(a) H_{2}O   (b) CO_{2}

Explanation:

The reaction that is carried out by the enzyme catalase produces H_{2} O

The reaction that is carried out by the enzyme catalase produces CO_{2}

6 0
3 years ago
Electron configuration for Be2+
rusak2 [61]

Answer:

Beryllium has an electronic configuration of 1s2 2s2 in its natural state. When in an ion state of Be2+ it loses the electrons in a 2s shell and has a configuration of 1s2. This means that Be2+ has 2 electrons.

7 0
3 years ago
An atom X has three electrons in its outermost shell. Which ion will most likely be formed by X?
DedPeter [7]

Answer: X3+

Explanation:

Every atom aim to achieve stability by receiving electrons or giving their valence electrons in order to have a complete outermost shell of 2 (duplet) or 8 (octet structure).

In this case, the atom X will easily give off its three valence electrons to another atom(s), thereby forming a trivalent positive ion (X3+) with a stable duplet or octet structure (i.e an outermost shell with 2 or 8 electrons).

X --> X3+ + 3e-

Thus, due to the give away of three electrons (3e-), the atom X becomes X3+.

6 0
3 years ago
Which number is the same as 8.7 x 10^-2?<br><br>A.0.087 <br>B.0.08 <br>C.0.0087 <br>D.0.87
Butoxors [25]
This correct option is C.
10^-2 = 0.001
8.7 * 10^-2 = 8.7 * 0.001 = 0.0087
Thus, 8.7 * 10^-2 is equivalent to 0.0087.
3 0
3 years ago
Read 2 more answers
Why is it good practice to perform a mixed melting point determination at two different ratios of unknown to known materials in
My name is Ann [436]

The melting point of a particular compound is fixed and it is an important identification of an unknown compound. The practice to determine the melting point of an unknown material In different ratio with a known material is important to get the exact melting point of the unknown material. In different ratio the melting point of the unknown material will be fixed as the melting point of a pure material doesn't depend on the ratio in which they are mixed with other material. To get the exact melting point it is always good to get the melting point twice in different ratio.  

6 0
3 years ago
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