Which of the following describes a pattern?

A. A record snowfall in January of one year

B. A solar eclipse that happens every 18 months

C. A tornado that is worse than any before it

D. The average height of a Sequoia tree

Hydration of alkynes (via oxymercuration) gives good yields of single compounds only with symmetrical or terminal alkynes. draw the major organic product (s) formed when hex-2-yne undergoes hydration in the presence of hgso4 and h2so4

Which has a higher concentration of water molecules - 200 molecules of water, or a mixture of 300 molecules of water and 100 molecules of food coloring? Explain your answer.

What is the charge on Pb in Pb (SO3) 2

Which of the following is not an example of a renewable resource? A) water B) sunlight C) coil

Carbon dioxide (CO2) is a gas. What volume will 1 mole of this gas occupy at 760 torr and 572 K?

Which of Deeandra observation is scientifically testable

What scientists do that is the basis for there investigation

A reaction is zero order in a reactant. Which best describes what happens to the rate if the concentration of that reactant is cut in half? a: The rate changes to twice the original rate. b: The rate changes to one-half the original rate.

How many moles of hydrogen atoms are there in 1 mole of C6H12O6 molecules?

Which condition will release more energy when an electron changes levels? From n = 4 to n = 3 from n = 3 to n = 2 from n = 2 to n = 1