12. How many molecules of ammonia are produced from the reaction of 9.5 * 1023 molecules of nitrogen are reacted with excess hydrogen gas? N2 + 3H2 → 2NH3
O 2.9 10% molecules NH3
O 1.9 * 1024 molecules NH3
O 2 molecules NH3
O 9.5 * 1023 molecules NH3

Write a paragraph at least 10 sentences explaining how rocks are used today in society

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.