Solutions

a have a uniform composition and can be separated by physical means
b cannot be separated by physical means
c do not have a uniform composition
d are none of the above

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

Is powdered sports drink ionic or covalent ? 10pts !