What percentage of propane is in nitromethane?
816907
It varies with the grade produced.  This example is is 94.5 nitromethane with nitroethane and nitropropane.  I doubt there is any measurable amount of propane left in the commercial product.
286140
96% Carbon Dioxide\n4% Nitrogen\n\n(closer to 3.5% nitrogen with assorted other gasses making up the last 0.5%)
559355
If the 20 ml of propane is measured at STP, then:\n\n1.0 mole of gas at STP has a volume of 22.4 liters = 22400 ml\n\n20 ml/22400ml = 8.93 x 10^-4 moles of propane.\n\nPropane is C3H8, so the equation is:\n\nC3H8  + 5 02  ======>  3 CO2  +  4 H2O\n\nso, you would need 5 * 8.93x10^-4 moles = 4.46 x 10^-3 moles of oxygen gas, which, at STP, would occupy:\n\n22400 ml/mole * 4.46x10^-3 moles = 100 ml\n\nAn easier way to calculate the same answer would be to realize that, from the equation:\n\nC3H8  + 5 O2  ======>  3 CO2  +  4 H2O\n\nIf both gases are measured at STP, then you need five times the volume of oxygen to react one volume of propane, thus:\n\n5 x 20 ml = 100 ml of oxygen.
934088
The yield of distillation of oil from gum resin is typically from 3-10%.  So a kilo of resin would net you as much as 100 grams of oil.  Probably much less.
1141237
depends if it is 25.9% nitrogen by molar weight or total # of atoms
480464
YOU WOULD HAVE TO USE THE BOND ENTHALPIES TO WORK OUT WHICH ONE. SEEING THOUGH N2 MAKES UP 78%OF THE EARTHS ATMOSPHERE ITS SEEMS VERY INERT SO MOST PEOPLE WOULD ASSUME THAT IS THE ONE
875637
it is a mixture of hydrocarbons containing few carbons. octane is one constituent
642168
Oxygen 42.6%\nMagnesium 20.8%\nSilicon 20.5%\nIron 9.9%\nCalcium 2.31%\nAluminium 2.04%\nNickel 0.472%\nChromium 0.314%\nManganese 0.131%\nTitanium 0.122%
821107
The below make up 99.998% of air\n\nNitrogen N2 78.084% \nOxygen O2 20.947% \nArgon Ar 0.934% \nCarbon Dioxide CO2 0.033% \n\nThe remaining percentage of air is made up of:\n\nNeon Ne 18.2 parts per million \nHelium He 5.2 parts per million \nKrypton Kr 1.1 parts per million \nSulfur dioxide SO2 1.0 parts per million \nMethane CH4 2.0 parts per million \nHydrogen H2 0.5 parts per million \nNitrous Oxide N2O 0.5 parts per million \nXenon Xe 0.09 parts per million \nOzone O3 0.07 parts per million \nNitrogen dioxide NO2 0.02 parts per million \nIodine I2 0.01 parts per million \nCarbon monoxide CO trace \nAmmonia NH3 trace
120686
did you mean rc nitro fule.\n\n\nAn Overview of RC Nitro Fuel\n\nNow that we've looked at a basic overview of a typical nitro rc engine, we need to touch upon the special rc nitro fuel required by these engines.  Nitro fuel It is NOT gasoline!  Never try to feed a rc nitro engine gasoline, because it will cause all sorts of problems.  Besides, it won't work anyway!  \n\nRC nitro fuel is made up of a custom blend of 3 primary components:\n\n1) NITROMETHANE.  Also commonly referred to as NITRO for short.  Nitromethane is derived from propane.  In itself, nitro is not even extremely flammable as one might think.  The real power producing potential of nitromethane is that it carries additional oxygen with it into the combustion process.  It acts as a fuel too, but the molecule carries oxygen along with it.  In a way, nitromethane is sort of like a chemical "supercharger" for an engine.  It helps get more oxygen into the engine to help burn more fuel and produce more power.  For the most nitro engine used in RC trucks, a 20% nitro blend is probably a good balance.  Most nitro engines in cars and trucks could probably tolerate fuels with up to 30% nitro, but it's probably best to avoid going much over that in a typical nitro engine.  20% nitro is probably one of the most common fuel blends for rc truck nitro engines, and would be a safe choice for most people.  Follow the recommendations of your engine manufacturer, and you should be safe.\n\n2) METHANOL.  Methanol is sometimes referred to as "wood alcohol" because originally it was derived from distilled wood products.  However, methanol can be made from more than one source, and today it is very commonly derived from natural gas.  Methanol is the primary fuel component of nitro fuels and is usually also the most dominant ingredient in a nitro fuel mixture.  Methanol is also a common fuel used in full size motorsports and racing.  The methanol has a natural intercooling effect that helps to cool both the intake air/fuel mixture which means cooler, denser (more oxygen) and more power potential.  Also, the evaporative cooling effect of methanol can help keep engine temps running cooler than other fuels.  Methanol contains the primary energy content of nitro fuels.          \n\n3) OIL.  The oil portion of the nitro fuel blend is very interesting.  Over the years, there has been much debate and changing recommendations.  First there was castor oil.  Then there were synthetics.  Some fuels have been blended with all castor oil and some with all synthetic oils.  Today, most nitro fuels contain a combination of both synthetic and castor oil.  Castor oil is a naturally occurring oil that is derived from a plant.  It is a natural lubricant that has some very unique properties.  When subjected to higher temperatures, castor oils will actually begin to break down.  Normally, this would be a bad thing for a lubricant to do in an internal combustion engine.  However, in the case of castor oil, this "breaking down" is one of it's greatest strengths!  When castor oil breaks down at high temperatures, it's properties change and it's high temperature lubricating properties actually increase!  As engine temperatures go up further, the castor oil continues to break down and forms a lubricating film that actually protects the engine better.  In the process, this film or residue (like varnish) can also gum up the engine and cause other problems.  On the other hand, synthetic oils typically are much cleaner and normally do not leave residues behind.  Synthetic oils can help lubricating metal surfaces at higher RPM's when temperatures are lower.  However, when temperatures rise, synthetic oils can break down and actually burn off leaving little protection for the engine.  So, there are strengths and weaknesses of both castor and synthetic oils.  Thankfully, most modern rc trucks run on nitro fuel blends that utilize the strengths of each type of o
963470
CO + 2H2  --->  CH3OH\n\nmoles H2: 2.00g/ 1g/mol = 2.00 mol\nmoles CO: 18.50g / 28g/mol = 0.6607mol\n\nyour limiting reactant is CO since for every 0.6607 moles of CO, you'll only need 1.321 moles H2. there's an excess of 0.6790 moles H2.\n\ntheoretical yield, therefore, is (1.321/2)*100 =  66.05%\n\nbased from the balanced equation, there should also be 0.6607 moles of CH3OH (MW = 32g/mol) that will be formed. so,\n\nweight of CH3OH = 0.6607mol * 32g/mol = 21.14 grams
345011
an owners manual from this period would describe the recommended fuel as regular low octane unleaded.  however, "regular, low octane unleaded" refers to a 90 to 91 octane that used to be the lower octane available at the pumps.  we now use that octane as Premium unleaded gasoline or petrol.  have fun with it, it is a great engine
839197
Nitrogen by far. it is approximately 78% of what we are breathing
998949
Matt gave the correct answer for propane VAPOR. Oil field trash is correct. Propane in liquid form does not ignite, only the vapor or "fumes" as some would call it.
932725
N2: about 78%\nO2: about 21%\nAr: about 0.9%\nMisc.--includes CO2, nitrogen oxides, SO2, Xe, Kr, Ne, etc: about 0.1%
940335
In your crucible, you have a mixture of mostly MgO and some Mg3N2.  That combined mass is 0.470 g.\n\nWhen you add water, all you are really adding is oxygen, since the hydrogen leaves as part of the ammonia gas.\n\nBasically, you are adding oxygen (atomic weight 16) and removing nitrogen (atomic weight 14).\n\nBecause of the formula Mg3N2(s) + H2O(l) -> MgO(s) + NH3(g),\nyou are 'taking out' 2 nitrogen atoms for every 3 oxygens you add (because there are 2 nitrogens to every 3 magnesium atoms, and each magnesium atom uses 1 oxygen to make MgO)\n\nSo you are gaining (0.486 - 0.470) = 0.016 g from the reaction of Mg3N2 to MgO\n\nThe mass from adding the oxygen is 16 g/mol * (3) * X\nThe mass from taking out the nitrogen is -14 g/mol * (2) * X\n\nWhere X is the number of moles of Mg3N2\n\nSo, 16 g * 3 * X - 14 g * 2 * X = 0.016 g\n\nSolving for X, X = 0.016 / (48 - 28) = 0.0008 mol\n\nThe molecular weight of the Mg3N2 is 100.9 g/mol, so the mass of Mg3N2 is 100.9 g/mol * 0.0008 mol = 0.0807 g\n\nSo, the mass percent is .0807 / 0.470 = 17.2 % Mg3N2\n\n.............\n\nAn another note, one reason you might be confused is your second reaction:\n\nThere are actually 2 reactions going on:\nMg + 1/2 O2 -> MgO\n3Mg + N2 ->Mg3N2\n\nThe first reaction reacts much faster than the second, meaning that more MgO will be produced than Mg3N2.\n\nHope this helps.
1486
Usually the composition f natural gas is as follows:\nComponent   Typical Analysis(mole %)  Range(mole %)\nMethane          94.9                  87.0 - 96.0\nEthane           2.5                   1.8 - 5.1\nPropane          0.2                   0.1 - 1.5 \niso - Butane     0.03                  0.01 - 0.3\nnormal - Butane  0.03                  0.01 - 0.3\niso - Pentane    0.01                  trace - 0.14\nnormal - Pentane 0.01                  trace - 0.04\nHexanes plus     0.01                  trace - 0.06\nNitrogen         1.6                   1.3 - 5.6\nCarbon Dioxide   0.7                   0.1 - 1.0\nOxygen           0.02                  0.01 - 0.1\nHydrogen         trace                 trace - 0.02\n  \nSpecific Gravity 0.585                 0.57 - 0.62\nGHV(MJ/m3), dry* 37.8                  36.0 - 40.2