Solid sulfur and flourine gas react in a combination reaction to produce sulfur hexaflouride gas How many liters of flourine gas at stp are needed to completely react with 7.8 grams of sulfur to produce sulfur hexaflouride?

Which of the following is not a characteristic of a hydrogen bond? 1. it is responsible for the unusual physical properties of water. 2. it is weaker than a covalent bond. 3. it is stronger than other dipole-dipole interactions. 4. it can occur when hydrogen is covalently bound to very electronegative elements liks f, cl, br and i.