1. Using your textbook or an internet search, list two "problems" associated with hard water. 2. Hard water has a relatively high concentration of what ion(s)? Again, use your textbook or do an internet search. 3. What is the color change that you need to observe to know that the titration has been completed?

The study of detecting small quantities of substances in samples would most likely be performed by a chemist in the branch of chemistry known as ___ . organic chemistry biochemistry inorganic chemistry analytical chemistry physical chemistry

Don't provide hand writing solution

In an attempt to introduce some intrinsic motivation on why it is important for everyone to change their view of being required to take chemistry. Research how concepts in chemistry are involved in your chosen discipline and field of interest. Please do not focus on concepts in Basic Chemistry, investigate the connection between chemistry and the discipline and field you are interested in.

No work needed just answers label the answers with questions so I know directions are all the same

I really need help solving the top one

How do you go form the stick figure to go drawing

Please I need help solving number 5

Can you help with 13. This is not a graded question as it is a practice question . I am 60 years old and helping my son prepare for the AP exam in a few months. We do questions at the back of the textbook by Zumdahl and Zumdahl

Select ALL of the metals listed below. O hydrogen (H) calcium (Ca) O gold (Au) silicon (Si) iodine (1I) O uranium (U)