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  2. TNT equivalent - Wikipedia

    en.wikipedia.org/wiki/TNT_equivalent

    TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion.The ton of TNT is a unit of energy defined by convention to be 4.184 gigajoules (1 gigacalorie), [1] which is the approximate energy released in the detonation of a metric ton (1,000 kilograms) of TNT.

  3. Specific energy - Wikipedia

    en.wikipedia.org/wiki/Specific_energy

    Potential energy with respect to gravity, close to Earth, per unit mass: gh, where g is the acceleration due to gravity (standardized as ≈9.8 m/s 2) and h is the height above the reference level (giving J/kg when g is in m/s 2 and h is in m).

  4. Enthalpy of fusion - Wikipedia

    en.wikipedia.org/wiki/Enthalpy_of_fusion

    0.0248 * (1000 g/L * (mol/18.0153g)) is the molar fraction of substance in saturated solution with a unit of mol/L; 0.0248 * (1000 g/L * (mol/18.0153g)) * 151.17g/mol is the solute's molar fraction equivalent mass conversion; 1-0.0248 will be the fraction of the solution that is solvent. which is a deviation from the real solubility (240 g/L ...

  5. Specific heat capacity - Wikipedia

    en.wikipedia.org/wiki/Specific_heat_capacity

    The specific heat capacities of iron, granite, and hydrogen gas are about 449 J⋅kg −1 ⋅K −1, 790 J⋅kg −1 ⋅K −1, and 14300 J⋅kg −1 ⋅K −1, respectively. [4] While the substance is undergoing a phase transition , such as melting or boiling, its specific heat capacity is technically undefined, because the heat goes into ...

  6. Heat capacity - Wikipedia

    en.wikipedia.org/wiki/Heat_capacity

    Professionals in construction, civil engineering, chemical engineering, and other technical disciplines, especially in the United States, may use the so-called English Engineering units, that include the pound (lb = 0.45359237 kg) as the unit of mass, the degree Fahrenheit or Rankine (⁠ 5 / 9 ⁠ K, about 0.55556 K) as the unit of temperature ...

  7. Kardashev scale - Wikipedia

    en.wikipedia.org/wiki/Kardashev_scale

    Large-scale application of fusion power: In terms of mass–energy equivalence, Type I implies the conversion of about 2 kg of matter to energy per second. An equivalent energy release could theoretically be achieved by fusing about 280 kg of hydrogen into helium per second, [ 83 ] a rate roughly equivalent to 8.9 × 10 9 kg/year.

  8. Sun - Wikipedia

    en.wikipedia.org/wiki/Sun

    Fusing four free protons (hydrogen nuclei) into a single alpha particle (helium nucleus) releases around 0.7% of the fused mass as energy, [68] so the Sun releases energy at the mass–energy conversion rate of 4.26 billion kg/s (which requires 600 billion kg of hydrogen [69]), for 384.6 yottawatts (3.846 × 10 26 W), [5] or 9.192 × 10 10 ...

  9. Nuclear fusion - Wikipedia

    en.wikipedia.org/wiki/Nuclear_fusion

    The "penalty/bonus" factor is that related to a non-hydrogenic reactant or a single-species reaction. The values in the column "inverse reactivity" are found by dividing 1.24 × 10 −24 by the product of the second and third columns. It indicates the factor by which the other reactions occur more slowly than the 2 1 D – 3 1 T