Basic information about hydrogen & hydrogen safety Flashcards

1
Q

What is a Protuim

A

hydrogen that consists of 1 proton, 1 electron, and no neutrons

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2
Q

what is a deutrium

A

hydrogen that consists of 1 neutron, 1 proton, and 1 electron

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3
Q

What is a tritium

A

hydrogen that consists of 2 neutrons, 1 proton, and 1 electron

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4
Q

How is green hydrogen produced?

A

renewable energy, electrolysis

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5
Q

How is grey hydrogen produced?

A

Natural gas, Steam methane reforming, no CO2 capture

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6
Q

what is the biproduct of grey hydrogen production?

A

carbon dioxide (CO2)

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7
Q

How is Blue hydrogen produced?

A

Natural gas, Reforming, CO2 capture.

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8
Q

How is turqiouse hydrogen produced?

A

Natural gas, pyrolysis

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9
Q

What is the biproduct of turqiouse hydrogen production?

A

Solid carbon

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10
Q

How is pink hydrogen produced?

A

Nuclear energy, electrolysis

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11
Q

What are the properties of hydrogen gas?

A
  1. Odorless, non-toxic, tasteless, non-Corrosive.
  2. Small molecular weight and size.
  3. highle diffusive.
  4. low viscosity.
  5. present in high buoyancy.
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12
Q

What are the properties of hydrogen liquid?

A
  1. H2 is liquified at -253C at atm pressure.
  2. Cryogenic liquid (causes freeze burns).
  3. containers must be insulated, vaccum jacketed, and double walled.
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13
Q

what does combusting hydrogen produce?

A

heat and water

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14
Q

Does combusting hydrogen has carbon? Explain.

A

No Due to the absence of carbon, fires that are caused by hydrogen require less power to disperse the heat compared to hydrocarbons.

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15
Q

describe the flammability of hydrogen.

A

Hydrogen has high flammability range and can combust easily since it requires small amount of energy to start combustion.

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16
Q

Is hydrogen explosions more common than hydrocarbon explosions? why?

A

hydrocarbon explosions are more common since hydrogen is light weight so it tends to disperse in the atmosphere in case of explosion while hydrocarbons tend to concentrate near the ground which causes explosions.