A reaction is said to be spontaneous if it occurs without being driven by some outside force. There are two driving forces for all chemical reactions. The first is enthalpy, and the second is entropy. Entropy (DS) is a measure of the disorder of a system, and systems tend to favor a more disordered system: nature tends toward chaos. Spontaneous reactions occur without outside intervention.
Banana â sources of vitamin A and carotene, vitamin C and B6. A high source in potassium, maintain blood pressure level. Variety of bananas are grown in the Philippines, these varieties differ in sizes, shapes and colors. Ideal for snack are the cooking banana (saba and gardaba) for banana cue and boiled banana. Daily consumption are known to protect against cardiovascular disease and chronic disease, also preventive measures against diabetes.
The ube yam is a purple yam commonly eaten in the Philippines. Yams belong to the family of starchy vegetables, along with potatoes, sweet potatoes, taro, yucca and other root vegetables. Ube yams have the distinction of having of a purple or lavender color. In the Philippines, the natural sweetness of the ube yam is often used in desserts such as cakes, pastries and ice cream. Also called purple yam, the ube yam appears in cuisines around the world. The nutrition profile of a ube yam is similar to that of a regular yam.