First of all, for a reaction to occur, the colliding molecules must be oriented in exactly the correct way: they must be oriented in suitable way for the product molecule bonds to be formed. Second, the two molecules must collide with sufficient energy to overcome the activation energy of the reaction. The activation energy is defined as the minimum energy needed to initiate a chemical reaction, and it is symbolized by E a.
A:Wolverine Supply & Manufacturing Co., founded in Pittsburgh in 1903, introduced its Sunny Suzy girl toys in 1928. Various models of the Sunny Suzy electric iron, which plugged in but warmed only slightly, were first made in the early 1930s. Your Model No. 29, with its original box and tag, would sell for about $30-$50.
Samsung Galaxy Tab E tablet was launched in June 2015. The tablet comes with a 9.60-inch display with a resolution of 800 pixels by 1280 pixels. The Samsung Galaxy Tab E is powered by 1.3GHz quad-core and it comes with 1.5GB of RAM. The tablet packs 8GB of internal storage that can be expanded up to 128GB via a microSD card.