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MA_775_DIABLO [31]
3 years ago
11

P= f/a solve it for f

Chemistry
1 answer:
Bess [88]3 years ago
7 0

Answer:

Force = Pressure × Area

Explanation:

Easy, just invert the equation. Transpose the force variable over to the left of the equals sign, and transpose the pressure variable back to the right side.

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What did Bohr conclude about the atom after observing emission spectrum lines a. Electrons can exist in any energy state but hav
cupoosta [38]

Answer:

Option c: Possible electron energy states are quantized within an atom.

Explanation:

The Bohr's Model of the hydrogen atom consisted of the movements of the electrons around the positively-charged nucleus in circular orbits that have a certain energy state. The energy of that orbit is given by:  

E_{n} = - \frac{Rhc}{n^{2}}

<em>Where:</em>

E(n): is the energy of an electron in a particular orbit

R: is the Rydberg constant

h: is the Plank constant

c: is the speed of light

n: is a positive integer which corresponds to the number of the orbit

The ground state energy of a electron in the hydrogen atom is equal to -13,6 eV.

Bohr's Model aims to propose that the electron is restrictedly to occupy a certain region in the atom.    

Therefore, the conclusion of Bohr after observing emission spectrum lines is that "possible electron energy states are quantized within an atom", so the correct option is c.

I hope it helps you!

7 0
3 years ago
An aluminum can weighing 10 g absorbs 106.8 J of heat and warms by 12 degrees C. What is the specific heat of the aluminum can?
Sladkaya [172]

Answer:

c_{Al} = 0.89\,\frac{J}{kg\cdot ^{\circ}C}

Explanation:

The heating process is modelled after the First Law of Thermodynamics:

Q = m \cdot c_{Al}\cdot \Delta T

The specific heat of the aluminium can is:

c_{Al} = \frac{Q}{m\cdot \Delta T}

c_{Al} = \frac{106.8\,J}{(10\,g)\cdot (12^{\circ}C)}

c_{Al} = 0.89\,\frac{J}{kg\cdot ^{\circ}C}

8 0
3 years ago
Chemist question, helppp pls
Doss [256]

1: it is +2

2: it is +6

(Make this brainliest answer please)

8 0
3 years ago
Pls help me no links
Assoli18 [71]

Answer:

mixture

Explanation:

6 0
3 years ago
Read 2 more answers
Please HELP, the question is attached.
Nezavi [6.7K]

Try this solution, all the details are described in the attached picture.

7 0
3 years ago
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