"in a test tube was add a piece of zn and 2 ml of hcl (.1m). this reaction produced zncl2 and hydrogen gas. this reactions is a:
a. combustion
b. synthesis reaction
c. double replacement reaction
d. single replacement reaction"

Why is an elements atomic mass not listed as a whole number on the periodic table

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?