The ferric chloride test shows the presence of Choose... . A positive ferric chloride test appears as Choose... . A negative ferric chloride test appears as

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead

Why are pipes bursting in the in extremely cold weather?

Given the following reaction: c3h8+5o2=3co2+4h20 how many grams of co2 will be produced 7 g of c3h8 and 98 g of o2