How many grams of cinnabar is required for a yield of 105 grams of pure mercury? HgS + O2 —> Hg + SO2

Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole

Explain that newton first law,second law and third law of motion?

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?