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zavuch27 [327]
3 years ago
10

11. Explain Supergiants

Chemistry
1 answer:
NeTakaya3 years ago
4 0
The correct answer is C. They are unusually large. I would appreciate if you would mark this is brainlyest answer. Thank you!
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Y+-7= 1/2 (4)+b help idk what it is
Vera_Pavlovna [14]

y +  - 7 =  \frac{1}{2} (4) + b \\ y - 7 = 2 + b \\ y = 9 + b
that is the answer, but what is the y value?
4 0
3 years ago
Due in 5 min PLEAZE HELP!!
Dmitry [639]

Answer:

CO

Explanation:

Co, Cr, and Cu are elements. Elements cannot be broken down by a chemical change, but compounds can. and CO is a compound

7 0
3 years ago
Read 2 more answers
Specify the hybridization at the atoms labelled a-d.
Nata [24]

The orbitals where you can find each of the bonds;

a - sp3

b - sp3

c - sp2

d- sp3

<h3>What is hybridization?</h3>

The term hybridization is the term that is used to describe the mixture of atomic orbitals which can be used to combine with other orbitals of relevant energy.

Let us recall that in some cases, the energy that is required in bonding could only be obtained by the hybridization of orbitals in which orbitals are mixed. The mixed orbitals are orbitals that are very close to each other in energy and help in the formation of bond.

Now let us try to write the orbitals where you can find each of the bonds;

a - sp3

b - sp3

c - sp2

d- sp3

Learn more about hybridization:brainly.com/question/14140731

#SPJ1

3 0
2 years ago
Help please At which boundary type would mountains, such as the Himalayans, most likely form?
Liono4ka [1.6K]

Answer:

convergent is the answer

6 0
3 years ago
A common way of initiating certain chemical reactions with light involves the generation of free halogen atoms in solution. If Δ
IrinaVladis [17]

Answer:

493.02 nm is the longest wavelength of light that will produce free chlorine atoms in solution.

Explanation:

Cl_2(g)\rightarrow 2Cl(g) ,ΔH = 242.8 kJ/mol

Energy required to break 1 mole of Cl-Cl bond = 242.8 kJ

Energy required to break 1 Cl-Cl bond = E

E = \frac{242800 J}{6.022\times 10^{23}}=4.032\times 10^{-19} J

Energy related with the wavelength of light is given by Planck's equation:

E=\frac{hc}{\lambda }

\lambda =\frac{hc}{E}

=\frac{6.626\times 10^{-34} Js\times 3\times 10^8 m/s}{4.032\times 10^{-19} J}

\lambda = 4.930\times 10^{-7} m = 493.02 nm

1 m = 10^09 nm

493.02 nm is the longest wavelength of light that will produce free chlorine atoms in solution.

7 0
3 years ago
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