Two very stable compounds, freon-12 and freon-14, are used as liquid refrigerants. a freon-12 molecule consists of one carbon atom, two chlorine atoms, and two fluorine atoms. a freon-14 molecule consists of one carbon atom and four fluorine atoms.

81 in the space in your answer booklet, draw a structural formula for freon-12. [1]

82 to which class of organic compounds do freon-12 and freon-14 belong? [1]

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes