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Chemistry

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Alanis Price

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Cards in this guide (11)
How many protons does an atom of carbon have

6

Atoms with certain characteristics are radioactive Which is least likely to be radioactive

all atoms with an atomic number under 40

Cesium-133 has an atomic number of 55 It has neutrons

It has 78 neutrons.

Plutonium-196 has an atomic number of 78 It has neutrons

118

Is Thermodynamics the study of the relationships among heat work and other forms of energy

Yes this is correct.

"Thermodynamics is the study of the relationships among heat, work and other forms of energy."

What is the difference between hydrogen fuel cells and hydrogen fussion

In fuel cells the hydrogen is oxidised to water. In fusion 2 different isotopes of hydrogen (deuterium and tritium) fuse together to form helium.

In the following decay equation 24 12 Mg is the

daughter element

In the following decay equation 90 39 y is the

daughter element

It isn't possible to transfer heat from an object at a lower temperature to another object at a higher temperature unless

It isn't possible to transfer heat from an object at a lower temperature to another object at higher temperature unless work is done to the system. An example of this is a refrigerator.

What is missing in the following nuclear equation

99 43 tc + 99 44 ru

I’m a nuclear reaction which of the following must be conserved

Charge

The count of nucleons

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