Haseeb

Why vaporization is a cooling process ?

Balance the following net iconic reactions, and identify which elements are oxidized and which are reduced: a. MnO4^- (aq) + S^2- (aq) --> MnO2(s) + S(s) b. IO3^- (aq) + I^- (aq) --> I2(s) c. Mn^2+ (aq) + BiO3^- (aq) --> MnO4^- (aq) + Bi^3+ (aq)

An electronics store is selling personal CD players. The regular price for each CD player is $90. During a typical two weeks, the store sells 50 units. Past sales indicate that for every $1 decrease in price, the store sells five more units during two wee...

no. of ways the children can be arranged to take the throws: 7p7 = 5040 ways. for successive throws: 4p4 * 5p3 = 144 ways for girl takes the first and boy the last: 3p1 * 5p5 *4p*1 = 1440 ways