Questions Asked on November 2, 2012

A 2.50 L balloon is filled with helium gas at sea level, 1.00 atm and 32 degrees celsius. The balloo... Asked on November 2, 2012 at 12:10 AM Dry air (0% humidity) is approximately 78% N2, 21% O2, and 1% Ar by moles. Calculate the molar mass... Asked on November 2, 2012 at 12:11 AM Dave swam 6 laps and did 9 dives at the swimming pool.crystal did 4 drives and swam 8 laps.how many... Asked on November 2, 2012 at 12:14 AM How many moles are in 4.80 grams on SnO2? Asked on November 2, 2012 at 12:14 AM If x^2 + y^2 = 100 and dy/dt = 6, find dx/dt when y = 8. (Enter your answers as a comma-separated li... Asked on November 2, 2012 at 12:17 AM Suppose you have four identical pieces of wood like those shown below. If m<b=40 can you construct a... Asked on November 2, 2012 at 12:18 AM If half the batch of 6,000 vials are contaminated, what is the probability of finding no contaminate... Asked on November 2, 2012 at 12:29 AM Each of the statements below attempts to explain why some periodic property varies predictably among... Asked on November 2, 2012 at 12:30 AM Describe a scenario that can be modeled with an inequality. Asked on November 2, 2012 at 12:30 AM A 45.4 kg of beer rolls down a 3.05 m long plank leading from the flatbed of a truck 0.880 m above t... Asked on November 2, 2012 at 12:32 AM