Existential statements about the physical and social world is:

What serves as the first event signaling the beginning of a new family unit?

(Dr.  Gulick/Dr. Passaglia) How is it possible for a single cone to produce opposite effects in on-center and off-center cells? (5 points)

Which of the following describes the main differences in process C and process S?

Calculate the wavelength (in nm) of a photon emitted when an electron transitions from n=3 to n=2 in a hydrogen atom.

(Dr. Gulick/Dr. Passaglia) Describe ocular dominance and orientation columns. What might be the evolutionary advantage of these organizational structures? (5 points)

A compound is found to contain 40.00% carbon, 6.67% hydrogen, and 53.33% oxygen by mass. The molar mass of the compound is 120.10 g/mol. What is the molecular formula?

What is the pressure of 2.0 moles of a gas at a volume of 5.0 liters and a temperature of 400 K? (Use R = 0.0821 L·atm·K⁻¹·mol⁻¹)

Find the molecular geometry of xenon tetrafluoride (XeF₄).

Determine the wavelength of light with a frequency of 6.00E14 Hz. (Speed of light, c = 3.00E8 m/s)