To pass an emissions test, your car cannot emit more than 1,000 ppm carbon monoxide (CO). Your car produced 3.2 grams of CO in 67.2 liters of exhaust. Show the calculations necessary to decide if your car passed or failed the emissions test. (note: 22.4 liters of air/mole and 31 grams/mole of air).

Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

Pl what kind of reaction is this? nahco3 + h2o → co2 + naoh + h2o -composition -decomposition -single replacement -double replacement im leaning more toward single replacement. if im wrong can you explain whyy?