The two main divisions of the nervous system are the ____ and the ___.

Because she didn’t have a piece of paper handy, Mandy mentally repeated a long distance number over and over. Mandy was trying to keep in the information in 

Johnny was awakened by a loud, crashing sound in the middle of the night.  He was frightened and he jumped out of bed to investigate.  Johnny realized that the loud sound was just his cat playing around in the living room.  Needless to say, Johnny was extremely relieved.  Which subdivision of the nervous system helped calm Johnny down and restore his normal level of functioning?

Youths who may be aggressive toward other people or animals, often displaying cruel behaviors such as using a weapon or torturing someone, assaulting and stealing from someone, or engaging in rape; destroying property, such as setting fires and vandalizing; lying to others to get something or to avoid punishment or stealing; and violating laws or rules for their age group, such as failing to attend school, adhering to curfew, or running away from home would be most likely to be diagnosed with

When Brian was drunk at an office part, he hid his car keys so they wouldn’t get stolen. The next day, Brian couldn’t recall where he hid his keys and had to get a new set of keys made. When Brian got drunk again at a jazz festival, he remembered where he hid his car keys. This example illustrates:

When the following equation is balanced, the coefficient of O2 is __________. 

Draw the best Lewis structure for CH2O and determine the formal charge on carbon.

When the following equation is balanced, the coefficients are __________.  

A sample of oxygen occupies 47.2 liters under a pressure of 1240. torr at 25°C. What volume would it occupy at 25°C if the pressure were decreased to 730. torr?  (10pts)

A 75 mL sample of CO2 is collected over water at 25°C when the atmospheric pressure is 1.05 atm. How many moles of CO2 are present? The vapor pressure of water at 25°C is 24.3 torr. (10pts)