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TiliK225 [7]
4 years ago
7

Cuales eran los objetos fundamentales de los alquimistas?

Chemistry
1 answer:
9966 [12]4 years ago
4 0
Los alquimistas querían cambiar el plomo en oro. Esto es, para crear algo de nada
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A ____________ is a large body that moves around a star?
Travka [436]

Answer:

A Planet

Explanation:

The earth for example, is a large body that orbits the sun, our local star

4 0
3 years ago
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A lab analysis of 0.502 g of Scandium (Sc) reaction with Oxygen (O2) from Air resulted
VARVARA [1.3K]

The empirical formula of the metal oxide would be  Sc_2O_3

<h3>What is empirical formula?</h3>

Mass of scandium = 0.502g

Mass of scandium + oxygen = 0.768g

Mass of oxygen = 0.768 - 0.502 = 0.266g

Mole of scandium = 0.502/44.95 = 0.011

Mole of oxygen = 0.266/16 = 0.017

Divide by the lowest:

Scandium = 0.011/0.011 = 1

Oxygen = 0.017.0.011 = 1.5

Thus, the empirical formula of the compound would be ScO_1.5 or Sc_2O_3

More on empirical formula can be found here:brainly.com/question/14044066

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3 0
3 years ago
What are some chemical properties of arsenic?
exis [7]
Chemical properties of arsenic - Health effects of arsenic - Environmental effects of arsenic

Atomic number33Atomic mass74.9216 g.mol -1Electronegativity according to Pauling2.0Density5.7 g.cm-3 at 14°CMelting point814 °C (36 atm

4 0
3 years ago
How many moles are there in 4 grams of oxygen?
kifflom [539]

Answer:

0.125

Explanation:

im not sure but if you get the grams then divide by the sufficance of xy

8 0
3 years ago
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What forces are acting on a book sitting on a table? Are action-reaction forces involved in this situation?
saw5 [17]

Answer:

  • Gravitational force
  • Normal force

Explanation:

These act as the action-reaction forces.

3 0
3 years ago
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