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Sidana [21]
2 years ago
13

All of the following are exothermic reactions except,

Chemistry
1 answer:
monitta2 years ago
8 0
Exothermic reactions release heat the surrounding. So Freezing? 
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What are the components of the formula for finding force?
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<span>The force of a system can be measured by formula P=mf where P is the force, m is the mass of the system and f is the acceleration of the system. The formula is known as Newton's second law of motion.</span>
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3 years ago
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When two gases or two liquids form a solution, the substance that is present in the largest amount is the?
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Is the solvent (Hope this helped)
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Indicate what happens to the concentration of Pb2+ in each half cell
Taya2010 [7]

Answer:

Your questions requires diagrams of the cell to get which one is on the left or right. However, see the attached file below

The correct answer is (d) the left half-cell will decrease in concentration; and the right half-cell will increase in concentration.

Explanation:

The concentration of the Pb2+ increases in the oxidation half cell while the concentration of the Pb2+ decreases in the reduction half cell during the reaction.

In the Left Beaker (Left half cell), their is less concentration

Pb(s) ---> Pb2+(aq) + 2 e- Concentration of Pb2+(aq) increase ; Electrons going out from this side

In the Right Beaker (right half cell), their is more concentration

Pb2+(aq) + 2 e- ---> Pb(s) Concentration of Pb2+(aq) decrease ; Electrons coming in to this side

Electrons will flow from Left to Right direction.

3 0
2 years ago
A knife manufacturer visits your business to show his product line. He claims that the most popular material for knives is indus
enyata [817]
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3 years ago
Frieda makes a pyramid of oranges for a display at the grocery store. A few minutes later, Corwin bumps into the display and the
olga_2 [115]

Answer:

Melting!!!

Explanation:

Melting is just like this. When a solid's atoms are in place, they are like the oranges before - Carefully organized, not moving much, in a structure.

When a solid starts melting into a liquid, the molecules start bouncing off each other, collapsing. :)

So, the answer is <u>Melting!</u>

7 0
3 years ago
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