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2 years ago

Why do cold blooded animals go for hibernation?

Chemistry

1 answer:

shutvik [7]2 years ago

3 0

Answer:

because they cannot keep their body temperature constant.

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Calculate the standard cell potential given the following standard reduction potentials: Al3++3e−→Al;E∘=−1.66 V Cu2++2e−→Cu;E∘=0

Maru [420]

Answer:

Explanation:

To calculate the cell potential we use the relation:

Eº cell = Eº oxidation + Eº reduction

Now in order to determine which of the species is going to be oxidized, we have to remember that the more the value of the reduction potential is negative, the greater its tendency to be oxidized is. In electrochemistry we use the values of the reductions potential in the tables for simplicity because the only thing we need to do is change the sign of the reduction potential for the oxized species .

So the species that is going to be oxidized is the Aluminium, and therefore:

Eº cell = -( -1.66 V ) + 0.340 V = 5.06 V

Equally valid is to write the equation as:

Eº cell = Eº reduction for the reduced species - Eº reduction for the oxidized species

These two expressions are equivalent, choose the one you fell more comfortable but be careful with the signs.

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2 years ago

Balance the following reaction. A.) 4 B.) 2 C.) 5 D.) blank E.) 3

slega [8]

Answer:

C.5

Hope this helps

7 0

2 years ago

pesticides and fertilizers can help farmers to produce more crops. However, overuse of these chemicals can result in?

nadezda [96]

Overuse of the same chemicals can result in the pest becoming immune to the pesticides.

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3 years ago

Solution of known concentration is called

Vesna [10]

Answer:

standard solution

Explanation:

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2 years ago

1.)What is the molarity of a solution that contains 55.0 grams of Na2SO4 in 250 milliliters of solution? (The mass of one mole o

Maurinko [17]

1)1.549=1.55M

2)may include all of these characteristics

3)stronger the acid

4)lower the concentration of H3O+ ions

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2 years ago

Why do cold blooded animals go for hibernation?​

Why do cold blooded animals go for hibernation?