True or false? Even when soil is saturated with water, water is still available in small spaces.

Which statement about the law of conser- vation of mass is NOT true? A) The mass of reactants must equal the mass of products. B) All the atoms on the reactant side of an equation are also on the product side.

Which types of heat transfer involve heat flow from hot objects to colder objects?

Which of the following is NOT a characteristic of sedimentary rocks?

What kind of attractive forces must be overcome to sublime co2?

Defition of chemical change

Imagine a chemist is in the lab and trying to make some chemical reactions happen. In one reaction she reacts chemicals in an exothermic reaction and there is an increase in entropy.

Which of the following requires an oxidizing agent? Al yields Al3+ 2 O yields O2 Cl2 yields 2 Cl- Ag + yields Ag

Type of ion formed by group 2A elements

Identify each energy exchange as heat or work. Drag the appropriate items to their respective bins. melted wax

23 Which term identifies a type of organic reaction? (1) deposition (3) esterification (2) distillation (4) sublimation