Negara di asia tenggara sebagai penghasil timah yang terbesar di dunia? A. Malay
B. Filipina
C. Brunei
D. Thailand

We just started a new lesson in chemistry and everyone hates it and i dont get it one bit. i hate school. h el p.balanced equationc3h8+5o2-> 3co2+4h2o1.) if you start with 14.8g of propane(c3h8) and 3.44g of oxygen, which is the limiting reactant -check my answer 2.)what mass of excess reagent is left over? 3.)what mass of carbon dioxide can be made? 4.)what mass of water is produced?

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure