The minerals are sorted into two groups. Which property are they sorted by?

A.

color

B.

hardness

C.

luster

D.

shape

Power, especially electricity, the source of which is fission or fusion.

During an experiment, if you purposely change the temperature to test a hypothesis, the temperature is called the?

The concentration of an unknown acid solution with general formula H3A is to be determined by titration with a 0.850 M KOH solution. Determine the concentration of the acid solution given that 38.

Which astronomer supported the belief that earth was at the center of the universe while all other planets and celestial objects orbited around it

Which values are written in proper scientific notation? Check all that apply. -350 -350.00 -3.50 * 104 0.000350 3.50 * 104 3.50 * 10-4 35.0 * 10-5 3,500

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

The thermite reaction, in which powdered aluminum reacts with iron oxide, is highly exothermic: 2al (s) + fe2o3 (s) →al2o3 (s) + 2fe (s) use standard enthalpies of formation to find δh∘rxn for the thermite reaction.

According to collision theory, which condition (s must be met in order for molecules to react?

A solution of bleach has about 1.5 g of NaOCl dissolved in 220 mL of solution. What is the molarity?

Enthalpy is a form of?