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Inessa05 [86]
3 years ago
5

Describe an environment that would have a low albedo. Explain where on Earth would you likely find this environment and why. Exp

lain why the albedo is low.
Chemistry
1 answer:
SVETLANKA909090 [29]3 years ago
3 0

Answer:

Tropical rain forest environments

Explanation:

  • Albedo means whiteness is the measure of the refection of the diffused solar radiation.  And is measured from the scale of 0 to 100. Dark soil and forest have the lowest of the albedo, as they absorb the light of the sun rather than reflecting it. And snow has the highest rate of reflection of about 80%.
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Which explains how burning a magnesium ribbon highlights a toolmark?
Setler [38]
<h2>Answer:</h2>

The magnesium ribbon, <u>D. It forms a material to cast the tool mark</u>.

<h2>Explanation:</h2>

When a magnesium ribbon is burnt in the presence of oxygen it gives out strong light and heat is produced. Apart from it, it leads to the production of substance called as magnesium oxide which is formed as the product due to the reaction of magnesium with the oxygen present in the air.

Tool marks are the mark which is created by tools while using them. In order to identify or locate them castes made up of magnesium oxide is utilized. When this is pasted on the suspected area, the tool mark of the suspected tool gets pasted on it.

6 0
3 years ago
How many grams are 0.5 moles of NaCl???
elena-14-01-66 [18.8K]

Answer:Respuesta. El peso molecular de NaCl es 58gr que equivale a 1 mol. g? hay 0,5mol queda 29gr

Explanation:

3 0
2 years ago
State which of the following set of quantum number would be possible and which would be permissible for an electron in an atom.
raketka [301]

Answer:

The correct option is: e) n=4, l=3, m_{l} = - 2 , m_{s} = - 1/2                                              

Explanation:

The four quantum numbers that describe the electrons in an atom are: The principal: n, azimuthal: l, magnetic: m, and  spin: s.

For a given electron, the values of the quantum numbers should be in the <u>given range</u>- principal quantum number: n ≥ 1;

azimuthal quantum number: 0 ≤ l ≤ n − 1;

magnetic quantum number: −l ≤ m_{l} ≤ +l;

spin quantum number: −s ≤ m_{s} ≤ +s

Now, for n= 4,

The value of l: 0 to n − 1 =  0 to 3 = 0, 1, 2, 3

The value of m_{l} for l= 3 : -3 to +3 = -3, -2, -1, 0, +1, +2, +3

The value of m_{s}: -1/2, +1/2

<u>Therefore, the given set of quantum numbers</u>: n=4, l=3, m_{l} = - 2 , m_{s} = - 1/2;  <u>are possible and permissible for an electron in an atom.</u>

5 0
3 years ago
Consider two solutions: solution x has a ph of 4; solution y has a ph of 7. from this information, we can reasonably conclude th
KIM [24]
<span>Consider two solutions: solution X has a pH of 4; solution Y has a pH of 7. From this information, we can reasonably conclude that </span>the concentration of hydrogen ions (H⁺) or hydronium ions (H₃O⁺) in solution X is thousand times as great as the concentration of hydrogen ions or hydronium ions in solution Y.
Solution X: c(H⁺) = 10∧-pH = 10⁻⁴ mol/L = 0,0001 mol/L.
Solution Y: c(H⁺) = 10⁻⁷ mol/L = 0,0000001 mol/L.
0,0001 mol/L / 0,0000001 mol/L = 1000.

3 0
3 years ago
Some chemical reactions can proceed in just one direction . True or False ?
ss7ja [257]
The answer is False. i think
4 0
3 years ago
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