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      • 1 electron Volt (eV) = 1.6 x 10 Joules -5 1 degree (K) = 8.62 x 10 eV 1 calorie = 4.2 Joules
      spacemath.gsfc.nasa.gov › earth › 5Page80

      The Many Faces of Energy 80 - NASA

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  3. byjus.com › physics › relation-between-calorie-and-jouleRelation Between Calorie And Joule - Detailed Explanation

    The relation between Calorie and Joule can be numerically written as-. 1 calorie = 4.2 joules. 1 Calorie/kcal = 4.2 kilojoules. Where, A calorie is the unit of energy. Calorie or kilocalorie is the unit of energy = 1000 calories. Joule is the unit of energy. Kilojoule is the unit of energy = 1000 joules.

  4. en.wikipedia.org › wiki › Units_of_energyUnits of energy - Wikipedia

    Energy is defined via work, so the SI unit of energy is the same as the unit of work – the joule (J), named in honour of James Prescott Joule and his experiments on the mechanical equivalent of heat. In slightly more fundamental terms, 1 joule is equal to 1 newton metre and, in terms of SI base units

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  6. sites.science.oregonstate.edu › Energy_UnitsEnergy and Power Units and Conversions - Oregon State University

    Basic Energy Units. Joule (J) = Newton meter. calorie (cal)= 4.18 J = energy required to raise the temperature of 1 gram of water by 1 C. Btu = 1055 Joules = 778 ft-lb = 252 calories = energy required to raise the temperature 1 lb of water by 1 F. ft-lb = 1.356 Joules = 0.33 calories.

  7. www.rapidtables.com › electric › voltVolt (V) electrical unit - RapidTables.com

    Volt is the electrical unit of voltage or potential difference (symbol: V). One Volt is defined as energy consumption of one joule per electric charge of one coulomb. 1V = 1J/C

  8. phys.libretexts.org › Under_Construction › Energy_and2.1: The Units of Energy - Physics LibreTexts

    Apr 12, 2022 · The electron volt is a unit of energy well suited to the processes that happen in atoms. For example, it takes 13.6 electron volts to rip the electron off of a Hydrogen atom. This is a far more convenient number to use than 2.18×10 −18 , the corresponding number of joules.

  9. www.physics.uci.edu › ~silverma › unitsEnergy Units and Conversions - University of California, Irvine

    Energy Units and Conversions. 1 Joule (J) is the MKS unit of energy, equal to the force of one Newton acting through one meter. 1 Watt is the power of a Joule of energy per second. Power = Current x Voltage (P = I V) 1 Watt is the power from a current of 1 Ampere flowing through 1 Volt. 1 kilowatt is a thousand Watts. 1 kilowatt-hour is the ...

  10. chem.libretexts.org › Courses › Eastern_Mennonite7.1: Energy and Its Units - Chemistry LibreTexts

    Mar 22, 2021 · Another unit of energy, used widely in the health professions and everyday life, is the calorie (cal). The calorie was initially defined as the amount of energy needed to warm 1 g of H 2 O by 1°C, but in modern times, the calorie is related directly to the joule, as follows: \[1\; cal = 4.184\; J\]

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