A chemist dissolves of pure perchloric acid in enough water to make up of solution. Calculate the pH of the solution. Round your answer to significant decimal places.

Here’s one way to follow the scientific method. place the missing steps in the correct position in the process

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.