Is evaporation of water a physical change or a chemical change? explain your answer?

Which horizon would have the highest amount of organic material? A horizon B horizon C horizon O horizon

What is the relationship between valence electrons and the number of bonds that can be formed?

What is the solubility in pure water of ba (io3) 2 in moles per liter at 25 ˚c? [ksp (25 ˚c) = 6.0  10-10]?

What do you think it means if your freind stops hanging out with you and starts hanging out with new people

What gases can CFC and hcfc refrigerants decompose into high temperatures open Flames glowing metal services Etc

In order to use the value 22.4 L for molar volume in a mass-volume or volume-mass stoichiometry problem, the gas must be assumed to be at STP. A. True B. False

The gravitational attraction between two objects would increase if both masses are

If the pH indicator bromothymol blue was added to the nitric acid solution, it's colour would be?

The specific heat of copper is 0.385 j/g°c which equation would you use

Which list includes three types of chemical formulas for organic compounds? 1. covalent, metallic, isotopic 2. covalent, metallic, molecular 3. empirical, structural, isotopic 4. empirical, structural, molecular