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snow_lady [41]
3 years ago
14

Air is transparent material?

Chemistry
2 answers:
Andrew [12]3 years ago
6 0
Air is a transparent material yes, we can see through it
Firlakuza [10]3 years ago
4 0
Yes, air is transparent because  air<span> contains so few atoms, light waves run into very few of them when they shine through </span>air<span>. So the </span>air<span> looks </span>transparent<span>.

Hope this Helps!
</span>
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Which question cannot be answered using scientific methods?
vfiekz [6]
The question that cannot be answered using scientific method is "Which is the most interesting acid?" 
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3 years ago
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An 80.0g sample of an unknown metal is at an initial temperature of 55.5oC. Afer 540 J of energy is absorbed by the metal, the t
Lunna [17]

Answer:

Specific heat of metal = 0.26 j/g.°C

Explanation:

Given data:

Mass of sample = 80.0 g

Initial temperature = 55.5 °C

Final temperature = 81.75 °C

Amount of heat absorbed = 540 j

Specific heat of metal = ?

Solution:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT =  81.75 °C - 55.5 °C

ΔT =  26.25 °C

540 j = 80 g × c × 26.25 °C

540 j = 2100 g.°C× c

540 j / 2100 g.°C = c

c = 0.26 j/g.°C

7 0
3 years ago
2 Which particles have approximately the same mass?
Lelu [443]
An electron has a relative mass of 0, whilst an alpha particle has a relative mass of 4
An electron has a relative mass of 0, whilst a proton has a relative mass of 1
A neutron has a relative mass of 1, whilst an alpha particle has a relative mass of 4
A neutron has a relative mass of 1, and a proton also has a relative mass of 1

7 0
3 years ago
2 Points
mr_godi [17]

Answer:

D. Separation by melting point

7 0
3 years ago
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The Millikan oil-drop experiment, which was the first experiment to measure the charge of the electron, compared the electrical
Liono4ka [1.6K]

Answer:

True

Explanation:

The oil drop experiment was carried out by Robert Millikan and Harvey Fletcher in 1909 to determine the charge of an electron. By balancing downward gravitation force with upward drag and electric force, they suspended small charged droplets of oil between two metal electrodes.

The charge over an oil droplet was often an integral value of e, was determined by changing the intensity of the electric field.

So, the given statement is true

3 0
2 years ago
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