What is always conserved in a chemical reaction?

a. mass is always conserved in a reaction.
b. energy is always conserved in a reaction.
c. mass and energy are both conserved.
d. nothing is always conserved in a reaction.

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape