What is the oxidation number of an element? PLz help. Will give brainliest to correct answer. explanation helpful but not required. Dont answer unless you know

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o

What type of energy conversion occurs when you place your feet near the fire place and they become warm