Chlorine can be made by the electrolysis of sodium chloride solution. Calculate the mass of chlorine that can be formed from 50.0g of sodium chloride.???

In this reaction n2o4(g)→2no2(g) what changes in color would you expect as pressure is increased at a constant temperature

Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.

Which type of reaction always has an element and a compound as reactants