The standard gibbs free energy of formation of ___ is zero: 1. h2o (l) 2. na (s) 3. h2 (g)

One of these element behaves partly as the alkaline metal as well as a halogen element

1. the particles in a_are packed very closely together. 2. the_in a liquid are loosely together. they can flow. 3. in a gas the_between the particles are bigger. if u re genius then answer this question class 4

Which part of Dalton's theory did Thomson's findings dispute?

A solution is made by mixing 15.0 g of sr (oh) 2 and 55.0 ml of 0.200 m hno3. a. write a balanced equation for the reaction that occurs between the solutes. b. calculate the concentration of each ion remaining in solution. c.

The molar mass of Beryllium (Be)

What do you use to measure mass

A salt shaker filled with 17.0g sodium chloride contain how many moles?

When a radioactive decay occurs what is released? A. Only protons and neutrons B. Only electrons C. Protons/Neutrons, beta particle, gamma ray D. Only gamma rays

How is the process of scientific inquiry and the design process similar and how they are different.

Provide an explanation at the subatomic level to explain why different colors are observed for different metal salts.