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Firdavs [7]
3 years ago
8

When balancing a redox reaction, you are balancing

Chemistry
1 answer:
julsineya [31]3 years ago
6 0
It might be letter D.
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HURRY! 10 POINTS!!
frosja888 [35]

Answer:

Weak bonds require less energy to form than strong bonds

Explanation:

According to Coulomb's law, the force between two species is inversely proportional to the distance between them. That said, the bigger the atoms are, the greater the bond length should be to form a molecule.

As a result, for a greater bond length, the attraction force is lower than for a shorter bond length. This implies that large atoms would form weak bonds and small atoms would form strong bonds.

Bond energy is defined as the amount of energy required to break the bond. If a bond is weak, it would require a low amount of energy to break it. This is also true for energy of formation, as it's the same process taking place in the opposite direction.

6 0
3 years ago
Which of the following is the BEST description of a temperate grassland ecosystem?
Likurg_2 [28]

Answer:

It is an area that is covered in grasses and wildflowers that receives enough rainfall to support the grassland but not the growth of trees.

Explanation:

8 0
2 years ago
How do you make a lava lamp into slime?
omeli [17]

Answer:


What You Do:
1. Fill tthe flask most of the way with your choice of oil.
2. Fill the rest of the flask with water.
3. Add a few drops of food coloring: your choice of color
4 Break an Alka-seltzer tablet into a few small pieces, and drop them in the flask one at
a time
5. Watch your lava lamp erupt into activity.!

Explanation:

8 0
2 years ago
Read 2 more answers
What are the independent, controlled and dependent variables when I conduct an experiment by distilling saline.
Morgarella [4.7K]
This question may be found on quizlet!
4 0
3 years ago
The reaction C4H10 ---> C2H6 + C2H4 has activation energy (Ea) of 450 kJ/mol, and the Ea of the reverse reaction is 250 kJ/mo
liraira [26]

Answer:

ΔH = 200 kJ/mol

Explanation:

Step 1: Data given

activation energy (Ea) is:  450 kJ/mol

activation energy (Ea) of the reverse reaction is 250 kJ/mol

Step 2: The balanced equations

C4H10 ---> C2H6 + C2H4  Ea = 450 kJ/mol

C2H6 + C2H4 ---> C4H10    Ea = 250 kJ/mol

Step 3: Calculate ΔH

Since the reverse reaction has a lower activation energy, this means we need less reaction for the reverse reaction to happen. We can say the reaction absorbs energy, so this is the endothermic reaction.

Ea ( of the forward reaction) = ΔH + Ea (of the reverse reaction)

ΔH = Ea ( of the forward reaction) - Ea (of the reverse reaction)

ΔH = 450 kJ/mol - 250 kJ/mol

ΔH = 200 kJ/mol

Since the reactionis endothermi, ΔH is positive

3 0
3 years ago
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