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''Stationeers'' measures most properties using units standardized in the [[wikipedia:International System of Units|International System of Units]] ("SI"). This applies to the HUD and other visual displays, but it also applies to values used in logic circuitry, which is important to logic-based math. | ''Stationeers'' measures most properties using units standardized in the [[wikipedia:International System of Units|International System of Units]] ("SI"). This applies to the HUD and other visual displays, but it also applies to values used in logic circuitry, which is important to logic-based math. | ||
− | ==Mass== | + | ==Mass: "Can I Push That?"== |
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'''[[wikipedia:Mass|Mass]]''' measures an amount of matter, in terms of its relationship to forces (e.g., gravity), inertia, and acceleration. ''Stationeers'' uses the SI unit '''gram''' (g) for mass. | '''[[wikipedia:Mass|Mass]]''' measures an amount of matter, in terms of its relationship to forces (e.g., gravity), inertia, and acceleration. ''Stationeers'' uses the SI unit '''gram''' (g) for mass. | ||
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===Direct Measurement=== | ===Direct Measurement=== | ||
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===Implications=== | ===Implications=== | ||
− | + | [[:Category:Ore|Ores]] are not measured by mass, but each unit of ore always produces one gram of product (not counting off-gas byproducts) when smelted. | |
− | + | The [[Furnace#Recipes|recipe for an alloy]] is given as ratios between ingredients, not as exact amounts. These are ratios of mass, not of moles or volume. While this is faithful to real-world metallurgy, the recipes themselves are simplified from their real counterparts. | |
− | + | The total count of the ore units output from a [[Centrifuge]] always equals the mass in grams of the mix put in. This is '''not faithful'''<sup>[verification needed]</sup>, because all ores in the game explicitly include impurities. The implication is that the Centrifuge somehow reintroduces the original impurities, and in fact this can be exploited to create those impurities from nothing, if you find them useful. | |
− | + | ==Moles: "Will It Blend?"== | |
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− | ==Moles | ||
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In chemical terms, [[wikipedia:Amount of substance|"amounts" of substance]] are not measured as mass, but as counts of particles. In ''Stationeers'', the particles in question are always molecules, and the game relates these counts using the SI unit '''mole'''. A mole is 6.0 × 10<sup>23</sup> molecules (the Avogadro number). It is abbreviated as '''mol'''; ''Stationeers'' also uses '''kmol''' (one thousand moles) and '''Mmol''' (one million moles). | In chemical terms, [[wikipedia:Amount of substance|"amounts" of substance]] are not measured as mass, but as counts of particles. In ''Stationeers'', the particles in question are always molecules, and the game relates these counts using the SI unit '''mole'''. A mole is 6.0 × 10<sup>23</sup> molecules (the Avogadro number). It is abbreviated as '''mol'''; ''Stationeers'' also uses '''kmol''' (one thousand moles) and '''Mmol''' (one million moles). | ||
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2H<sub>2</sub> + O<sub>2</sub> → 2H<sub>2</sub>O + a bunch of heat | 2H<sub>2</sub> + O<sub>2</sub> → 2H<sub>2</sub>O + a bunch of heat | ||
− | + | To apply real amounts of substance to this equation, you can do it very simply as long as everything is expressed in moles. | |
2mol H<sub>2</sub> + 1mol O<sub>2</sub> → 2mol H<sub>2</sub>O | 2mol H<sub>2</sub> + 1mol O<sub>2</sub> → 2mol H<sub>2</sub>O | ||
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===Implications=== | ===Implications=== | ||
− | The game does not include a reference to the [[wikipedia:Molar mass|molar masses]] of these fluids, but it should not normally be necessary. Ratios of one substance to another can be crucial (e.g., for [[Fuel]]), but these are always calculated by mole (see [[wikipedia:Stoichiometry|stoichiometry]]), not by mass or volume | + | The game does not include a reference to the [[wikipedia:Molar mass|molar masses]] of these fluids, but it should not normally be necessary. Ratios of one substance to another can be crucial (e.g., for [[Fuel]]), but these are always calculated by mole (see [[wikipedia:Stoichiometry|stoichiometry]]), not by mass or volume. |
The game is '''not faithful''' to molar chemistry when it comes to the substance called "[[Volatiles]]". Volatiles behave in some chemical contexts like pure hydrogen gas (and are sometimes labeled "H2"), but when burned they behave more like a [[wikipedia:Hydrocarbon|hydrocarbon]]. | The game is '''not faithful''' to molar chemistry when it comes to the substance called "[[Volatiles]]". Volatiles behave in some chemical contexts like pure hydrogen gas (and are sometimes labeled "H2"), but when burned they behave more like a [[wikipedia:Hydrocarbon|hydrocarbon]]. | ||
− | ==Volume | + | ==Volume: "Where Can I Fit That?"== |
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'''[[wikipedia:Volume|Volume]]''' is, simply, the amount of space occupied by a three-dimensional shape. If a substance can compress (like a gas), and a container is rigid, then the volume will remain constant even as you pump mass/moles into or out of the container. | '''[[wikipedia:Volume|Volume]]''' is, simply, the amount of space occupied by a three-dimensional shape. If a substance can compress (like a gas), and a container is rigid, then the volume will remain constant even as you pump mass/moles into or out of the container. | ||
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* [[Gas Canister]]s | * [[Gas Canister]]s | ||
− | The exception is the global atmosphere, which | + | The exception is the global atmosphere, which does not "contain" anything and can be said to have infinite volume<sup>[verification needed]</sup>. |
===Implications=== | ===Implications=== | ||
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* A Stationeer's lungs: 6 L | * A Stationeer's lungs: 6 L | ||
− | ==Temperature | + | ==Temperature: "Will That Cook Me?"== |
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− | + | '''[[wikipedia:Temperature|Temperature]]''' is the measurement of how hot or cold matter is. The precise thermodynamic definition is complex, but it can be roughly summarized as the amount of energy embedded into a substance. Thermal energy will tend to transfer through matter (conduction) from regions of high temperature to lower temperature. Temperature has a very direct effect on [[#Pressure, Absolute|pressure]], and vice versa. | |
===Direct Measurement=== | ===Direct Measurement=== | ||
− | ''Stationeers'' measures temperature on two scales. Fluids within plumbing (e.g., pipes, tanks, furnaces) are measured in '''kelvin''' (K), where 0K represents the theoretical complete absence of thermal energy ("[[wikipedia:Absolute zero|absolute zero]]"). Fluids in enclosed spaces or in the atmosphere are measured in '''degrees Celsius''' (°C), where 0°C is the freezing point of water at standard atmospheric pressure (101.325 kPa). One kelvin is exactly equal to one degree Celsius, so you can easily convert from K to °C by subtracting '''273.15'''. | + | ''Stationeers'' measures temperature on two scales. Fluids within plumbing (e.g., pipes, tanks, furnaces) are measured in '''kelvin''' (K), where 0K represents the theoretical complete absence of thermal energy ("[[wikipedia:Absolute zero|absolute zero]]"). Fluids in enclosed spaces or in the atmosphere are measured in '''degrees Celsius''' (°C), where 0°C is the freezing point of water at standard atmospheric pressure (101.325 kPa). One kelvin is exactly equal to one degree Celsius, so you can easily convert from K to °C by subtracting '''273.15'''. |
===Implications=== | ===Implications=== | ||
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==Pressure, Absolute== | ==Pressure, Absolute== | ||
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==Phase== | ==Phase== | ||
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==Energy== | ==Energy== |