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Finger [1]
3 years ago
11

Which principal is exemplified by studying a modern river to learn about how ancient rock layers form?

Chemistry
1 answer:
faust18 [17]3 years ago
7 0
A- unifromitariansim
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How many liters of a 4.0 M CaCl2 solution would contain 2 moles of CaCl2?
nekit [7.7K]

Answer:

The answer to your question is 0.5 liters

Explanation:

Data

[CaCl₂] = 4.0 M

number of moles = 2

volume = ?

Process

To solve this problem use the formula of Molarity and solve it for volume, substitute the values and simplify.

-Formula

Molarity = moles / volume

-Solve for volume

Volume = moles / molarity

-Substitution

Volume = 2/4

-Simplification

Volume = 0.5 liters.

5 0
3 years ago
What protects the plant embryo?
Pani-rosa [81]
How do seed plants protect their embryos?
Reptilian embryos are protected from desiccation by a leathery shell. Similarly, sporophytes of both gymnosperms and angiosperms protect embryos within, and they also protect male gametophytes against desiccation using .....
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3 years ago
The graph indicates the running route for Tobias.
Musya8 [376]

Answer: b

Explanation:

7 0
3 years ago
Read 2 more answers
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d8
MAXImum [283]

Answer:

Pd (palladium).

Explanation:

46 electrons total, this is representative of the Pd (palladium) element.

5 0
3 years ago
In the coordination compound [Cr(NH3)2(en)Cl2]Br2, the coordination number (C.N.) and oxidation number (O.N.) of the metal atom,
erma4kov [3.2K]

The coordination number (C.N.) is 6 and oxidation number (O.N.) is +4 of the metal atom.

C.N. = 6; O.N. = +4

<h3><u>What </u><u>is Co-ordination number ?</u></h3>
  • The coordination number, also known as ligancy, of a central atom in a molecule or crystal in chemistry, crystallography, and materials science refers to the quantity of atoms, molecules, or ions bound to it.
  • A ligand is the ion, molecule, or atom that surrounds the center ion, molecule, or atom.
  • The number of atoms, ions, or molecules that a central atom or ion in a complex, coordination compound, or crystal holds as its closest neighbors.
<h3><u>What is Oxidation number ?</u></h3>
  • The total number of electrons that an atom acquires or loses to establish a chemical connection with another atom is known as the oxidation number, also known as the oxidation state.
  • Each atom involved in an oxidation-reduction reaction has an oxidation number that represents how many electrons it may take, give, or share.

To view more questions of coordination number, refer to:

brainly.com/question/8717978?referrer=searchResults

#SPJ4

7 0
2 years ago
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