What is the theory that can explain the model of Pangaea?

Thermal energy is the and internal energy is the

35 Given the word equation: sodium chlorate = = > sodium chloride + oxygen Which type of chemical reaction is represented by this equation? (1) double replacement (3) decomposition (2) single replacement (4) synthesis

What is the molar ratio of CO2 to C2H2

How does temperature affect chemical reaction rates? a. Low temperature starts a reaction. b. High temperature stops a reaction. c. Low temperature causes a faster reaction. d. High temperature causes a faster reaction.

An ionic bond involves the transfer of valence electrons from a metal to a non-metal. True or False

Next to each formula, write the number of atoms of each element found in one unit of the compound

A particular atom has 58 protons and 82 neutrons. what are the atomic number, mass number, and periodic table symbol of this isotope?

Chemicals that are able to reduce activation energy in a reaction and speed the reaction rate are a. inhibitors. b. reactants. c. products. d. catalysts.

Lead had been used in plumbing and other products since ancient times. How have chemists contributed to our understanding of lead today? A. They have shown how lead can build up and cause damage in the human body. B.

When converting from moles to molecules OR molecules to moles you use what quantitative value?