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==Mass== | ==Mass== | ||
− | Or, | + | Or, Can I Push That? |
'''[[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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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]]. | ||
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Or, Will That Cook Me? | Or, Will That Cook Me? | ||
− | '''[[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. Temperature has a very direct effect on [[#Pressure, Absolute|pressure]], and vice versa. | + | '''[[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. |
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===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=== | ||
− | ''Stationeers'' clearly models heat conduction in general. For example, a Pipe will gradually | + | ''Stationeers'' clearly models heat conduction in general. For example, a Pipe will gradually exchange heat with its surrounding matter to reach equilibrium, and this exchange rate is greatly increased by adding a [[Pipe Radiator]]. It also models the reality that forcibly "pumping" heat from one volume to another (e.g., with an [[Kit (Atmospherics) Air Conditioner|Air Conditioner]] or an [[EVA Suit]]) requires the use of energy, and also that excess heat is not simply destroyed in this process—it still has to be disposed of somehow. |
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==Pressure, Absolute== | ==Pressure, Absolute== | ||
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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 | + | [[: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 | + | 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. | 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. | ||
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==Energy== | ==Energy== |