How many liters of nh3 are needed to react completely with 30.0 l of no (at stp)? 4nh3(g) + 6no(g) → 5n2(g) + 6h2o(g)?

How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy

What is the chemical name of the compound ti2o3? use the list of polyatomic ions and the periodic table to you answer.