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Chemistry

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Maeve Christiansen

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Cards in this guide (17)
Critical mass depends on what

The Purity && The Shape

AND size density

Which of the following is true regarding hydrogen fuel cells and hydrogen fusion

The amount of mass that "disappears" in the fusion of two hydrogen atoms is more than the amount of mass that "disappears" when two atoms are used in a fuel cell.
the amount of mass that dissapears.........ect

Possible options for spent nuclear fuel rods include

burying them in deep caverns.removing lighter nuclei and reusing them

re-mixing them and putting them back in the mines

Which is are used in nuclear reactors to absorb neutrons

control rods

Which of the following processes depend on fusion

The atomic bombs used in World War II

The energy production in the sun

(APEX)

What is the missing number in the nuclear reaction shown below 237 93 Np - 4 2 He plus 233 Pa

91

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.

The half life of cobalt 60 is 5.3 years After years 14 of the original amount of cobalt 60 will remain

10.6 years

A substance is the time required for half the atoms in a sample of a radioactive isotope to decay

The time it takes for half the sample to decay is called the half-life.

The time it takes for half the sample to decay is called the half-life.

The time it takes for half the sample to decay is called the half-life.

The time it takes for half the sample to decay is called the half-life.

Radium-228 decays by alpha decay Part of the nuclear equation is shown

224

What are the control rods in a nuclear reactor made of

The control rods inside a nuclear reactor are made out of Boron.

The processes of bone scan imagining and radiocarbon dating are what

similar because they both depend on spontaneous radioactive decay.

Which of the following processes uses lasers

Inertial confinement fusion

Can Geothermal pumps can be used for heating or cooling

cooling

Which produces the most energy

fusing 10 kg of hydrogen

Strontium decays by beta decay part of the nuclear equation is shown below fill in the blank with a number

39 APEX

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

Charge

The count of nucleons

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