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Rzqust [24]
3 years ago
13

What is your most convincing piece of evidence?

Chemistry
1 answer:
Sedaia [141]3 years ago
7 0

Answer:

A magician I saw once made a painting of a dove come to life. The bird literally flew out of the painting.

That happened 10 years ago and I'm still wondering how that is even possible.

Explanation:

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Which of the following is true about nuclear fission?
Ymorist [56]

Answer:

If you add the masses of all the products after fission, they are LESS than the mass of the reactants.

Explanation:

A nuclear fission reaction is a radioactive reaction which in which a heavy nucleus spontaneously disintegrates into 2 lighter nuclei and some neutrons with a release of large amount of energy.

When nuclear fission occurs, a mass deficit between the decaying nuclei and the product occurs. It is this mass that actually yields the energy that is produced as a by product of the reaction.

4 0
4 years ago
Which molecules is converted directly to acetyl CoA without the intermediate step of being converted first to pyruvate
Hitman42 [59]

Answer:

Fatty acids

Explanation:

Acetyl coA is a compound vital for the process of cellular respiration in the mitochondria. It is the starting material of the kreb's cycle or TCA cycle, which takes place in the mitochondria. During the metabolism of glucose (glycolysis), a molecule called PYRUVATE is first synthesized before becoming acetyl coA in the mitochondrion.

However, the metabolism of FATTY ACIDS (monomers of lipids) directly gives rise to acetyl coA without first becoming pyruvate. The fatty acids molecule undergo Beta- oxidation to produce acetyl coA, which enters the TCA cycle to continue cellular respiration.

6 0
3 years ago
An organic compound containing C,H and O only. Has 29.6% O by mass. Its relative .olecular mass is 270. How many Oxygen atoms ar
Ostrovityanka [42]

Answer:

12.1% C, 16.1% O, 71.8% Cl

Explanation:

i hope this is correct

6 0
3 years ago
Evan and his friends are working on a group project on matter. Michelle says that matter is anything that has mass. Ricky says m
Novay_Z [31]

Answer:

Leon

Explanation: all take up space and will have a mass to it.

8 0
3 years ago
What is the difference between a galvanic cell and an electrolytic cell? APEX
Feliz [49]

Answer:

A. A galvanic cell generates electrical current, and an electrolytic cell uses electrical energy to cause redox reactions to occur.

Explanation:

A galvanic cell produces electrical energy through the conversion of chemical energy whereas the electrolytic cell carries out the conversion of the electrical energy/current supplied to it into chemical energy. The reaction that takes place in the galvanic cell is spontaneous which is responsible for the electrical energy that is produced. The redox reaction in the electrolytic cell is not spontaneous. Electrical energy has to be supplied to it in order to initiate the reaction.

4 0
3 years ago
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