Questions Asked on March 13, 2012

A two digit number is such that two times the tens digit is three less than thrice the units digit a... Asked on March 13, 2012 at 12:02 AM If 75.0 grams of water is decomposed into hydrogen and oxygen, how many grams of oxygen should be fo... Asked on March 13, 2012 at 12:05 AM The decomposition of water described in question 1 was performed. In this experiment 20.0 grams of o... Asked on March 13, 2012 at 12:11 AM On a wet racetrack, the maximum safe speed, to avoid sliding on a level circular curve with a radius... Asked on March 13, 2012 at 12:14 AM If 20.0 grams of hydrogen and 40.0 grams of nitrigen are combined to form nitrogen trihidride, how m... Asked on March 13, 2012 at 12:14 AM A student has 100.0 mL of an unknown solution of Vitamin C. She removes 1.00 mL of this solution, di... Asked on March 13, 2012 at 12:26 AM Quick question, can an obtained value be negative? Asked on March 13, 2012 at 12:32 AM Suppose that a 15-mL sample of a solution is to be tested for I- ion by addition of 1 drop (0.20 mL)... Asked on March 13, 2012 at 12:33 AM The area of a circle is given by the formula A+pier^2, where r is the radius. If increasing the radi... Asked on March 13, 2012 at 12:41 AM A regular pentagon is inscribed in a circle whose radius measures 7 cm. Find the area of the pentago... Asked on March 13, 2012 at 12:49 AM