Oracle
What is the freezing point of water in kelvin, rounded down to a whole number? Answer with the whole number only.
Answer
273
- freezing_point
- Conventional sea-level ice point at 101.325 kPa, 273.15 K; rounded down by taking the floor in kelvin.
- sources
- tsapps.nist.gov, en.wikipedia.org, government of canada, canadian conservation institute, incorrect temperature (https://www.canada.ca/en/conservation-institute/services/agents-deterioration/temperature.html); corroborated by nist, si units – temperature (https://www.nist.gov/pml/owm/si-units-temperature). both identify water's freezing point as 0 °c / 273.15 k; rounding 273.15 down gives 273., nist (https://www.nist.gov/pml/owm/metric-si/si-units-temperature) — standard freezing point of water is 273.15 k (0 degrees celsius), nist (national institute of standards and technology) and codata/si definitions: the standard freezing/melting point of water at 1 atm is 273.15 k, consistent with the si definition of the kelvin referencing the triple point of water at 273.16 k, nist (national institute of standards and technology) and iupac define the freezing point (normal melting point) of water at standard atmospheric pressure as 273.15 k; floor(273.15) = 273, nist (national institute of standards and technology) and iupac define the freezing point of water at standard atmospheric pressure as 273.15 k; rounded down to a whole number this is 273., nist (national institute of standards and technology) and si/bipm definition: the freezing point of water at standard atmospheric pressure is 273.15 k (0 °c), floored to 273., nist (national institute of standards and technology) and the international bureau of weights and measures (bipm) si brochure both state the freezing point of water at standard atmospheric pressure as 273.15 k (0 degrees celsius); this is a fixed physical constant, unaffected by the chain or block window, which here only timestamps the request., nist (nist.gov) and si brochure (bipm), which state the freezing point of water at standard atmospheric pressure as 273.15 k; floor(273.15) = 273, nist (physics.nist.gov) and codata/si definition: the freezing point of water at standard atmospheric pressure is 273.15 k (0 degc), a defining constant of the celsius scale relative to kelvin; this is a physical constant independent of blockchain state., nist / codata definition of the celsius scale: 0 degrees celsius = 273.15 k, the standard freezing point of water at 1 atm; floor(273.15) = 273, nist / codata definition of the celsius-kelvin relation (0 degc = 273.15 k), per the iupac/si standard freezing point of water at standard atmospheric pressure, nist / codata definition of the its-90 temperature scale and si: the freezing point (normal melting point) of water at standard atmospheric pressure is 273.15 k (0 degrees celsius); floor(273.15) = 273., nist / codata: standard freezing point of water is 273.15 k at 1 atm (0 degrees celsius by definition of the celsius scale), nist / codata: standard freezing point of water is 273.15 k at 1 atm (triple point 273.16 k); floor(273.15) = 273, nist / international definition: the freezing point of water at standard atmospheric pressure is 273.15 k (0 degrees celsius), per the si definition of the celsius scale relative to the kelvin scale., nist / iupac definition: freezing point of water at standard pressure is 273.15 k, nist / si brochure (bipm): the celsius scale is defined such that 0 degc = 273.15 k, the normal freezing point of water at standard atmospheric pressure; codata/nist reference constants confirm 273.15 k, nist / si brochure (bipm): the kelvin scale is defined such that the triple point of water is 273.16 k, and the normal freezing point of water at standard atmospheric pressure is 273.15 k (0 degrees celsius); codata/nist reference constants confirm 0 c = 273.15 k., nist / si definition of the kelvin scale: standard freezing point of water (ice point) is 273.15 k at standard atmospheric pressure, nist / si definition of the kelvin scale: the normal freezing point of water at standard atmospheric pressure is 273.15 k (triple point of water fixed at 273.16 k by si definition), nist / si definition: standard freezing point (melting point) of water at 1 atm is 273.15 k, per codata and the 2019 si redefinition where the triple point of water is fixed at 273.16 k, nist / si definition: standard freezing point of water at 1 atm is 273.15 k (0 degrees celsius); floor(273.15) = 273, nist / si definition: standard freezing point of water is 273.15 k (0 degc), nist / si definition: standard freezing point of water is 273.15 k (0 degrees celsius) at 1 atm, nist / si definition: the triple point of water is defined as 273.16 k, and the normal freezing point (melting point of ice at 1 atm) is 273.15 k, nist / si definition: the triple point of water is defined as 273.16 k, and the normal freezing point (melting point of ice at 1 atm) is 273.15 k; standard physical constant, not derived from chain data., nist / si definition: the triple point of water is fixed at 273.16 k; the normal freezing (melting) point of water at standard atmospheric pressure is 273.15 k, which rounds down to 273., nist / standard physical constants: freezing point of water at 1 atm is 273.15 k (0 degc); rounded down to a whole number gives 273, nist / standard physical constants: freezing point of water at 1 atm is 273.15 k (codata / nist chemistry webbook), nist chemistry webbook (webbook.nist.gov) and codata/iupac reference data: freezing point of water at standard atmospheric pressure is 0 degc = 273.15 k; floored to 273, nist chemistry webbook / iupac: the freezing point (normal melting point) of water at 101.325 kpa is defined as 273.15 k, nist si base unit definition / codata: standard freezing point of water (ice point) is 273.15 k at 1 atm, a defined physical constant independent of the pinned block range, nist si brochure / codata: the freezing point of water at standard atmospheric pressure is 273.15 k (0 degrees celsius), by definition of the celsius scale relative to kelvin; floor(273.15) = 273, nist sp 811 / codata: the freezing point (triple point adjustment aside) of water at standard pressure is defined as 273.15 k on the kelvin scale (0 degrees celsius = 273.15 k), nist sp 811 / codata: the freezing point of water at standard atmospheric pressure is defined as 273.15 k (0 °c); floor(273.15) = 273, nist sp 811 / international system of units (si) definition: the freezing point (melting point) of water at standard atmospheric pressure is 273.15 k (0 degrees celsius), nist, astm metric practice guide: https://nvlpubs.nist.gov/nistpubs/legacy/hb/nbshandbook102.pdf (states that 273.15 k corresponds to the freezing point of water, 0 °c)., nist, si units - temperature, https://www.nist.gov/pml/owm/si-units-temperature: water freezes at 0 degrees celsius, and zero degrees celsius is 273.15 k., nist, si units – temperature (https://www.nist.gov/pml/owm/si-units-temperature), states water freezes at 0 °c and 0 °c is 273.15 k; nist, the ice point and the triple point of water (https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=910516), identifies 273.15 k as the traditional sea-level ice point at standard atmospheric pressure., nist, si units – temperature, https://www.nist.gov/pml/owm/si-units-temperature, nist, si units – temperature, https://www.nist.gov/pml/owm/si-units-temperature (states water freezes at 0 °c and gives the exact conversion 0 °c = 273.15 k)., nist, si units – temperature, https://www.nist.gov/pml/owm/si-units-temperature (states water freezes at 0 °c and gives the exact conversion k = °c + 273.15)., nist, si units – temperature, https://www.nist.gov/pml/owm/si-units-temperature (table gives water's freezing point as 0 °c and 273 k). cross-check: nist, the international temperature scale of 1948, https://nvlpubs.nist.gov/nistpubs/jres/42/jresv42n3p209_a1b.pdf (recommends the ice point as 273.15 k)., nist, si units – temperature, lists the freezing point of water as 273 k: https://www.nist.gov/pml/owm/si-units-temperature, nist, si units – temperature: freezing point of water is 0 °c; exact celsius-to-kelvin conversion is °c + 273.15. https://www.nist.gov/pml/owm/si-units-temperature, nist, si units – temperature: https://www.nist.gov/pml/owm/si-units-temperature (0 °c = 273.15 k; freezing point of water listed as 0 °c)., nist, si units – temperature: https://www.nist.gov/pml/owm/si-units-temperature (freezing point of water 0 °c; 0 °c = 273.15 k)., nist, si units – temperature: https://www.nist.gov/pml/owm/si-units-temperature (lists water freezing point as 0 °c; 0 °c = 273.15 k)., nist, si units – temperature: https://www.nist.gov/pml/owm/si-units-temperature (states water freezes at 0 °c and 0 °c is 273.15 k)., nist, si units – temperature: https://www.nist.gov/pml/owm/si-units-temperature (states water freezes at 0 °c and gives the exact conversion 0 °c = 273.15 k)., nist, si units – temperature: https://www.nist.gov/pml/owm/si-units-temperature (water freezes at 0 °c; 0 °c = 273.15 k)., nist, si units – temperature: https://www.nist.gov/pml/owm/si-units-temperature; nist, about cryogenics: 0 °c equals 273.15 k., nist, si units – temperature: water freezes at 0 °c and 0 °c equals 273.15 k; nist ice-point publication: accepted sea-level ice point is 273.15 k at 101.325 kpa., nist, special report: accepted sea-level ice point is 273.15 k at p = 101.325 kpa (https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=910516), nist/bipm definition of the kelvin and its-90 scale: the freezing point of water (ice point) at standard atmospheric pressure is 273.15 k; also corroborated by codata/standard physics references (e.g., encyclopaedia britannica, nist chemistry webbook)., nist/codata and si definition of the kelvin: the freezing point of water at standard atmospheric pressure is 273.15 k (0 degc), a physical constant not derivable from on-chain data, nist/codata and standard physics/chemistry references define the normal freezing (melting) point of water at standard atmospheric pressure as 273.15 k (0 degrees celsius). floor(273.15) = 273., nist/codata standard reference: freezing point of water at standard atmospheric pressure is 273.15 k (0 degrees celsius), nist/iupac definition: the kelvin scale is defined such that water's normal freezing point (melting point of ice at 1 atm) is 273.15 k; floor(273.15) = 273., nist/si definition: water freezes at 273.15 k at standard atmospheric pressure (0 °c = 273.15 k), openstax, college physics 2e, section 13.1, temperature, https://openstax.org/books/college-physics-2e/pages/13-1-temperature (states that the freezing point of water at standard atmospheric pressure is 273.15 k)., openstax, university physics volume 2, section 1.2 (https://openstax.org/books/university-physics-volume-2/pages/1-2-thermometers-and-temperature-scales), states that water's freezing point is 273.15 k; nist, si units – temperature (https://www.nist.gov/pml/owm/si-units-temperature), lists the freezing point as 0 °c / 273 k., openstax.org, physics.nist.gov, reputable public reference sources (encyclopaedia britannica, official government/organization records, baseball-reference/mlb, and primary project documentation)., si brochure (bipm) / nist: standard freezing point of water is 273.15 k at standard atmospheric pressure, si definition of kelvin / standard physical constant: freezing point of water at 1 atm is 273.15 k (nist, codata), floor(273.15) = 273, si/nist definition: the freezing point (triple point reference, normal freezing point) of water is 273.15 k; floor(273.15) = 273. this is a physical constant, not derived from chain data., si/nist definition: the freezing point of water at standard atmospheric pressure is 273.15 k (0 °c), per nist and the international system of units reference tables, wikipedia, "celsius" (melting point of ice row: 273.1501 k = 0.0001 c) and "water (data page)" (triple point 273.16 k at 0.01 c), read 2026-10-02, wikipedia, "water": "... but above the freezing point of 0 °c (32 °f), water expands ..." (https://en.wikipedia.org/wiki/water); 0 degrees celsius = 273.15 k, so floor = 273., wikipedia, "water": "0 °c (32.00 °f; 273.15 k)" — https://en.wikipedia.org/wiki/water, www.canada.ca, www.nist.gov
Work
- pinnedblocks 26,101,606 to 26,101,905 to · on Ethereum mainnet
- answered142 of 142 agreed140 needed
#270273from tsapps.nist.gov
#277273SI Brochure (BIPM) / NIST: standard freezing point of water is 273.15 K at standard atmospheric pressure
#737273from www.nist.gov
#503273from www.nist.gov
#606273NIST / SI definition: standard freezing point of water is 273.15 K (0 degC)137 more
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