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NeTakaya
4 years ago
6

Solid solution of a metal or nonmetal dissolved in a metal

Chemistry
1 answer:
guajiro [1.7K]4 years ago
3 0
An alloy is the solid solution of a metal or non-metal dissolved in a metal.
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What is the source of EXTERNAL energy for Earth's spheres and systems?
Naya [18.7K]

The earth is a vast, complex system powered by two sources of energy: an internal source (the decay of radioactive elements in the geosphere, which generates geothermal heat) and an external source (the solar radiation received from the Sun); the vast majority of the energy in the earth system comes from the Sun.

3 0
3 years ago
If the attractive forces in a substance is much less than the
mafiozo [28]
B) liquid is your answer
6 0
3 years ago
The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate,
Alexxx [7]

Answer:the atoms of a solid aluminium can are close together vibrating in a rigid structure if the can is warmed up on a hot plate

Explanation:

8 0
4 years ago
If light with a wavelength of 515 nm is shown on a metal surface, and photoelectrons (electrons ejected from the surface) have a
Debora [2.8K]

The binding energy of the electrons (also known as the work function of the surface) is determined as 2.43 x 10⁻¹⁹ J.

<h3>Binding energy of the electrons</h3>

The binding energy of the electrons is also known as work function of the metal and it is calculated as follows;

Ф = E - K.E

where;

Ф = hf - 86.2 kJ/mol

Ф = hc/λ - 86.2 kJ/mol

Ф = (6.63 x 10⁻³⁴ x 3 x 10⁸ )/515 x 10⁻⁹   -  86.2 kJ/mol

Ф = 3.86 x 10⁻¹⁹ J - (86200 J/mol)/(6.02 x 10²³)

Ф = 3.86 x 10⁻¹⁹ J - 1.43  x 10⁻¹⁹ J

Ф = 2.43 x 10⁻¹⁹ J

Learn more about work function here: brainly.com/question/19427469

#SPJ1

4 0
2 years ago
How many grams of copper will be plated out by a current of 2.3 a applied for 35 minutes to a 0.50 m solution of copper (ii) sul
kumpel [21]
When the magnitude of the charge Q = I*T

when we have I current = 2.3

and T =   35 min * 60 = 2100 s

by substitution:

∴ Q = 2.3 * 2100

       = 4830 C

according to this reaction equation:

Cu2+ + 2e-  → Cu

we can see that 1 mol Cu2+ need 2 mol e- to produce Cu

mol of electron e- = Q / faraday's constant

                          = 4830 / 96485 

                          = 0.05 mol

when 1 mol Cu2+  → 2 mol e-

                 ??          ←  0.05 mol

∴ moles Cu2+ = 0.05 /2 = 0.025 mol

∴ mass Cu2+ = moles Cu2+ * molar mass Cu2+

                       = 0.025 * 64

                      = 1.6 g
                                        
3 0
4 years ago
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