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Artyom0805 [142]
2 years ago
13

How can a redox reaction be identified?

Chemistry
1 answer:
agasfer [191]2 years ago
3 0

Answer:

'Oxidation states have changed.'

Explanation:

Redox Reactions can be identifiable by a change in oxidation number/states of two of the atoms in the reaction. Any reaction in which no oxidation numbers/state change is not a redox reaction.

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What causes a water strider to be able to walk on water?
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Answer:

By repelling water, the tiny water striders stand on the water's surface and the captured airs allows them to float and move easily.  so number 2. Surface Tension.

Explanation:

The attraction between water molecules creates tension and a very delicate membrane. Water striders walk on this membrane. ... The legs have tiny hairs that repel water and capture air.

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3 years ago
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The nucleus of the atom is held together by the attraction of the positively charged protons and the negatively charged electron
7nadin3 [17]
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A karyotype can be used to determine the number of ____________________ (alleles, chromosomes) in a person’s cells.
Furkat [3]

Answer:

Chromosomes

Explanation:

A karyotype is an individual's collection of chromosomes

Hope this helps!

Plz click the Thanks button :)

Jayla

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3 years ago
Zac releases the air from a balloon. Which statement best describes what will happen to the air that was inside the balloon?
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The correct answer is the last option. When <span>Zac releases the air from a balloon, it will expand to fill the room. It will not expand in the sense that molecules will be big but the molecules will be more spread out into the room and more air molecules will be present to fill the room.</span>
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A standard soft drink can has a volume of 0.355 L. An empty can is sealed while
beks73 [17]

Answer:

0.35 atm

Explanation:

To solve this problem, we use Boyle's Law: P_1V_1=P_2V_2 , where P is the pressure and V is the volume.

Here, V_1 = 0.355 L, P_1 = 1.0 atm, and V_2 = 0.125 L. So, just plug these values into the equation:

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Thus, the pressure is 0.35 atm.

Hope this helps!

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