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katen-ka-za [31]
2 years ago
14

Vitamin D has a percent composition of 42.98% C, and 57.02% H. Its molecular

Chemistry
1 answer:
Alex73 [517]2 years ago
3 0

Answer:

Dont use alot of points

Explanation:

people scam like me and ay the wrong answer and get the points :|

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In the original mixtures, test tube 1 contained magnesium and a zinc compound, and test tube 2 contained zinc
FromTheMoon [43]

Answer:

Test tube one is a compound because it is 2 elements combine..Test tube to is an element

Explanation:

5 0
2 years ago
In which orbital does an electron in a bromine atom experience the greatest effective nuclear charge?
asambeis [7]

First let us determine the electronic configuration of Bromine (Br). This is written as:

Br = [Ar] 3d10 4s2 4p5

 

Then we must recall that the greatest effective nuclear charge (also referred to as shielding) greatly increases as distance of the orbital to the nucleus also increases. So therefore the electron in the farthest shell will experience the greatest nuclear charge hence the answer is:

<span>4p orbital</span>

4 0
3 years ago
Read 2 more answers
Es un cambio natural o provocado, donde se produce energía para agua y dióxido de carbono: a)Precipitación. b)Fermentación c) Ef
Andre45 [30]

Answer:

d) Combustión.

Explanation:

¡Hola!

En este caso, dado que estamos enfocados en el concepto de cambio químico, el cual se caracteriza por exhibir un cambio en la composición e identidad de las sustancias iniciales (reactivos) a otras finales (productos).

Ahora bien, como se nos dice que los productos de este cambio químico son energía, agua y dióxido de carbono, inferimos que el nombre de este proceso es d) Combustión, por ejemplo la combustion del gas natural para calentar nuestras comidas en la cocina.

¡Saludos!

6 0
3 years ago
What treatment is effective against HIV
Lubov Fominskaja [6]
Combination therapy is the most effective treatment for HIV. I hope this help
8 0
3 years ago
Multiplication &amp; Division
Tatiana [17]

Answer:

0.008 ÷ 51.3 = 0.00015594541910331380.00015594541910331382Round 0.0001559454191033138 → 0.0002 (Sig Figs: 1)

6 0
3 years ago
Read 2 more answers
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