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2 years ago

Which of the following best describes asexual reproduction?

Chemistry

2 answers:

Flauer [41]2 years ago

7 0

Answer: i think this is correct.

Explanation: it occurs in simple organisms, such as bacteria, but not in multicellular organism such as plants and animals

yawa3891 [41]2 years ago

5 0

Answer:

First Choice

it produces offspring with a large amount of genetic variation

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Is FeS iron (ll) sulfide or iron (lll) sulfide?

Amiraneli [1.4K]

Answer:

the valence of S is -2. For FeS to be neutral the valence of Fe used must be +2

and since Iron (II) has its valency 2, FeS will be Iron (II) Sulfide.

4 0

2 years ago

Which is NOT a shape of epithelial cells?

spayn [35]

B.should be *columnar, but C.Circular is the answer

4 0

2 years ago

Balance the equation below for the reaction between hydrogen and chlorine, using the smallest whole-number

Elanso [62]

H2(g) + Cl2(g) = 2 HCl(aq) (balanced equation)
1, 1, 2 (coefficients)

3 0

3 years ago

Drag the correct label to the pictures. Each label can be used more than once. Classify the materials based on their composition

marta [7]

Answer:

I know, it's hard!!

Explanation:

7 0

2 years ago

Write equations that show the processes that describe the first, second, and third ionization energies for a gaseous gadolinium

Inessa [10]

Answer:

Gd(g) → $Gd^{+}(g) + e^{-}$ , $Gd^{+}(g)$ → $Gd^{2+}(g) + e^{-}$ , $Gd^{2+}(g)$ → $Gd^{3+}(g) + e^{-}$

Explanation:

Ionization energy is the energy required to remove an electron from a gaseous atom or ion.

The first ionization energy is the energy required to remove the valence electron(outermost) from a neutral atom:

Gd(g)→ $Gd^{+}(g) + e^{-}$

The second ionization energy is the energy required to remove next/second electron from $x^{+}$ ion. The second ionization energy is always higher than the first:

$Gd^{+}$ (g) → $Gd^{2+}(g) + e^{-}$

The third ionization energy is the energy required to remove third electron from $x^{2+}$ ion:

$Gd^{2+}$ (g) → $Gd^{3+}(g) + e^{-}$

5 0

3 years ago