Approximately how long did the distillation process take?

a. ~ 35 minutes

b. ~ 45 minutes

c. ~ 55 minutes

d. ~ 65 minutes

An open flask is half filled with water at 25°C. Phase equilibrium can be reached after (1) more water is added to the flask (2) the flask is stoppered (3) the temperature is decreased to 15°C (4) the temperature is increased to 35°C

the diagram below shows DNA molecules. What do the broken lines connected to hydrogen atoms represent in this diagram?

According to The Evolution of Useful Things, what caused the popularity of Post-it notes? a prior need for them their varied styles widespread availability their varied uses

An atom consists of a small, positively charged nucleus, surrounded by negatively charged electrons. We organize the electrons in a logical manner. As the atomic number increases, electrons are added to the subshells according to their energy.

The major elements of organic molecules is carbon identify three other carbon is normally bonded to

Which Best Desribes The Relationship Between Earth Layers?

Rank the bonds from highest polarity to lowest polarity. (Highest on top) Si--H N--H O--H Br--H C--H

Sulfur dioxide gas reacts with oxygen gas for form sulfur trioxide gas. the equilibrium constant for the reaction at 6000c is 4.34. an equilibrium mixture is found to have [so3] = 0.391 m and [o2] = 0.125 m at 6000c.

What is a delocalized pi bond?

1. Force is the ability to change motion. * True False Other: