Octane is the main ingredient in the gasoline we useto run our cars. What mass of octane will produce 250 liters of carbon dioxide, when the octane is combusted in the presence of excess oxygen at 30 o C and 750 mmHg?

what is the volume occupied by 40 grams of argon gas (ar) at standard conditions? what volume, in liters, is occupied by 1.5 x 1023 

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

some sources quote the lethal dose, for an average 170lbs opiate-naive individual is between 75 and 375 mg

i think its 100

i hope this !