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IrinaVladis
23 days ago
5

When a pot of water has been boiling vigorously for several minutes, the bubbles that emerge from the liquid water are composed

of
1. air
2. water vapor
3. H2 gas and O2 gas in a 1:1 ratio
4. H2 gas and O2 gas in a 2:1 ratio
Chemistry
1 answer:
lorasvet [2.6K]23 days ago
7 0
Water is made up of H2 gas and O2 gas in a 2:1 proportion, and the bubbles seen at the bottom of the pot represent the transition of water from a liquid state to a gaseous state. I'm fairly certain that the substance released from the pot is water vapor. Hope this clarifies things!???:)
You might be interested in
Determine how many grams of silver would be produced, if 12.83 x 10^23 atoms of copper react with an excess of silver nitrate. G
Anarel [2728]
1) The chemical equation is

Cu + 2AgNO3 ---> Cu (NO3)2 + 2Ag

2) Molar ratios are as follows:

1 mol Cu: 2 moles AgNO3: 1 mol Cu (NO3)2: 2 mol Ag

3) Converting 12.83 * 10^23 atoms of Cu to moles gives:

12.83 * 10^23 atoms / (6.02 * 10^23 atoms / mol) = 2.131 mol Cu

4) Using the ratios:

2.131 mol Cu * 2 mol Ag / 1 mol Cu = 4.262 mol Ag

5) To convert 4.262 mol of silver to grams, use the atomic weight of silver:

mass = moles × atomic mass = 4.262 mol * 107.9 g / mol = 459.9 grams

Answer: 459.9 g
5 0
29 days ago
In a titration experiment, H2O2(aq) reacts with aqueous MnO4-(aq) as represented by the equation above. The dark purple KMnO4 so
Alekssandra [2904]

Respuesta:

El oxígeno en H2O2 es la especie que se reduce a H2O y se oxida a O2.

Explicación:

5 H2O2(aq) + 2 MnO4-(aq) + 6 H+(aq) → 2 Mn2+(aq) + 8 H2O(l) + 5 O2(g)

La oxidación se define como la pérdida de electrones. La oxidación provoca un aumento en el número de oxidación de un elemento.

Si se descompone esta reacción en sus mitades de reducción y oxidación

Se observa que, de los reactivos mencionados anteriormente,

H202 se convierte en H2O y O2

MnO4- + H+ se convierte en Mn2+ y H2O

El número de oxidación de Mn cambia de +7 en MnO4- a +2 en Mn2+ (lo que indica evidentemente una reducción)

El oxígeno en MnO4- no cambia su número de oxidación, ya que se mantiene en -2

El número de oxidación del oxígeno cambia de -1 en H2O2 a -2 en H2O y 0 en O2

El hidrógeno en H2O2 no cambia su número de oxidación, y su número de oxidación se mantiene en +1 tanto en H2O2 como en H2O.

Esto indica que H2O2 sufre tanto oxidación como reducción; más específicamente, el oxígeno en H2O2 es la especie que se reduce a H2O y se oxida a O2.

Espero que esto ayude

7 0
21 day ago
4. Which of the following statements correctly describe atoms? Select all that apply.
castortr0y [2921]

Answer:

A, B, and C

Explanation:

Indeed, atoms possess mass and serve as the fundamental building blocks of chemical elements. While matter is composed of atoms, these particles themselves do not occupy physical space.

Atoms consist mostly of void, which excludes them from the other responses.

This confirms that A, B, and C are the right choices.

6 0
1 month ago
Select all the element(s) from the periodic table shown that will form an ionic compound with a metal M and a nonmetal X and a f
VMariaS [2867]

Response:

Sulfate- SO4^2-

Sulfite- SO3^2-

Permanganate- MnO4

Carbonate- CO3^2

Clarification:

KEEP GOING WITH YOUR STUDIES!

4 0
1 month ago
As part of an investigation, students combined substances in a beaker to observe chemical reactions. They performed two procedur
lorasvet [2668]

Response:

D.

Justification:

8 0
1 month ago
Read 2 more answers
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