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)

When the following equation is balanced, the coefficient of dinitrogen pentoxide is __________.  

Answer the following questions in Japanese. Don’t use a short reply. Use complete sentences as answers.   1. Onamae wa?　　　　　 おなまえは？ 2. Gakuseidesuka.　　　　がくせいですか。 3. Senkou wa nandesuka.　せんこうはなんですか。 4. Nan nensei desuka.　　 なんねんせいですか。 5. Nihonjin desuka.　　　 にほんじんですか。

Which of the following statements is FALSE for children with Autism Spectrum Disorder (ASD)?

In order to diagnose the presence of delirium, evidence of ____ is needed.