you have two samples of gray powder both which are flammable these are powders the same substance explain why

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

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol