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Nimfa-mama [501]
3 years ago
15

Practice It!

Chemistry
2 answers:
ASHA 777 [7]3 years ago
5 0
^ this guy is right.
Ostrovityanka [42]3 years ago
4 0

Answer:

Explanation:

Space exploration technology has helped us explore the Moon and see images of far off galaxies.

Space technology may help us inhabit another planet or live in space in the future.

These are the correct statements

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Write a balanced equation for the oxidation-reduction reaction that occurs when hydrogen peroxide reacts with ferrous ion
Alex17521 [72]
H₂O₂ + 2FeSO₄ + H₂SO₄ → Fe₂(SO₄)₃ + 2H₂O

H₂O₂ + 2H⁺ + 2e⁻ → 2H₂O  k=1
Fe²⁺ → Fe³⁺ + e⁻                 k=2

H₂O₂ + 2H⁺ + 2Fe²⁺ → 2H₂O + 2Fe³⁺


7 0
3 years ago
What is the correct name for this formula: AI2O3?
agasfer [191]

Answer- A

Explanation- Because you have to look at the symbols and remember which symbol goes with each chemical, if you don't then you could get confused.

5 0
3 years ago
The rapid movement of gases molecules can be explained because gases have ___ size particles and exert _____ attraction for othe
Marrrta [24]
The answers that fit the blanks are SMALL and LITTLE, respectively. The particles or molecules or fas are small which makes it loose and easily moves around, and these only exert little attraction for other gas particles. The answer for this would be option D.
5 0
3 years ago
Read 2 more answers
Consider the following voltaic cell:(j) In which direction do anions within the salt bridge move to maintain charge neutrality?
aniked [119]

In order to maintain neutrality, the negatively charged ions in the salt bridge will migrate into the anodic half-cell. A similar (but reversed) situation is found in the cathodic cell.

<h3>What purpose does a salt bridge serve in an oxidation process?</h3>

Anions (negatively charged particles) are added to the solution of the oxidation half of the cell by the salt bridge, and cations (positively charged particles) are added to the solution of the reduction half of the reaction. 

<h3>What purpose does the salt bridge serve in a galvanic cell?</h3>

For instance, KCl, AgNO3, etc. In a galvanic cell, such as a voltaic cell or Daniel cell, salt bridges are typically used. A salt bridge's primary job is to assist in preserving the electrical neutrality of the internal circuit. Additionally, it aids in keeping the cell's response from reaching equilibrium.

Learn more about Salt bridge here:-

brainly.com/question/20345420

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7 0
1 year ago
PLZ I NEEEEEEEDDDDDD HELP
MrRa [10]

Answer:

2h+02=h20

Explanation:

2 in front of h on left side

2 in front of h on right side

3 0
3 years ago
Read 2 more answers
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