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Chemistry

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Casey Heaney

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Cards in this guide (9)
When the electrostatic force overcomes the force in at least part of the nucleus it is called radioactive decay

strong // APEX

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.

The strong nuclear force acts over a smaller distance than the electrostatic force

true

Entropy is the amount of heat a system releases

False

The first law of thermodynamics which is closely related to the law of conservation of energy states that

energy can be transformed in different ways but can never be created or destroyed.

Which item requires the least energy to increase its temperature lounge chair sand or water Explain your answer in terms of this item's specific heat

Sand needs least energy to increase the temperature as its specific heat is very low compared to that of water. Water needs more energy to increase its temperature as its specific heat capacity is higher.

Which of the following are formulations of the second law of thermodynamics

Mdufbrurir

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

Charge

The count of nucleons

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