PTSD can be the result of one traumatic event, or as a result of ongoing traumatic events, and may occur after an unexpected or violent death or injury to a loved one. While many people experience traumatic events in their lifetime, not all of them will go on to develop post-traumatic stress disorder.
The 3 Main Formulations of ethylene glycol coolant exist are: 1) Silicate based also known as green coolant, 2) Organic Acid Technology based commonly called OAT's, which include extended life or Dex-cool, and 3) Hybrid coolants, which is a combination of organic acid technology mixed with a low dose of silicates.
1 The Chemical Formula of Vinegar Vinegar is a weak acid having as its main active ingredient acetic acid. 2  The vinegar chemical formula includes the following elements: hydrogen, carbon, and oxygen.t is phsically a chemical by reactions from certain experiments.  Everything is a chemical, even your hair, and the air. Vinegar is composed of two chemical compounds: aceti â¦ c acid and water. + 11 others found this useful.