Which of the following is the best example of a valid hypothesis? a people should eat vegetables. b children like jiffy™ peanut butter better than skippy™ peanut butter. c if calcium chloride is added to water, then it will lower the temperature at which water freezes. d bananas are better for you than chocolate.

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound

Which is true according to the law of conservation of energy