Which of these describes the electrostatic force

a. particles of the same charge repel each other

b. particles of different masses repel each other

c. particles of opposite charge repel each other

d. particles without charge repel each other

Write a balanced chemical equation for the reaction. na2co3 and agno3

What is the expected outcome of adding a catalyst to a chemical reaction? a. the reaction will speed up. b. chemical equilibrium will not be reached. c. the reaction will slow down. d. no change will occur.

An acid-base titration is a neutralization reaction performed to determine: the concentration of an unknown acid based upon the concentration of a known base the concentration of an unknown acid based upon the concentration of a known acid the

Discuss the three broad areas of Financial Decision Making

For each metal complex give the coordination number for the metal species. m (nh34cl2

Are all metals acidic in nature and all non-metals basic? and what is the nature of their oxides?

How many atoms of Hydrogen in the products of the following equation? 3NO2 + H2O - -> NO + 2HNO3 1 3 4 2

What reactants form a combustion reaction? O A. A hydrocarbon and oxygen O B. Hydrogen and water vapor O C. A hydrocarbon and water O D. Water vapor and oxygen

Is the Sun bigger and brighter than Betelgeuse?

What is the si unit for the quantity of particles in a sample?