1. What does each of these dozen sets of eggs in different sizes have in common? 2. How are each of the dozen eggs different?
3. Why is this a useful way to measure eggs?

Write a balanced equation showing the formation of copper (ii) nitrite from its elements

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.