7. A 100.0 mL sample of 0.10 M benzoic acid is titrated with 0.20 M KOH. Determine the pH of the solution at the equivalence point.

A quantity of substance that can be seen would be considered the A level.

CHEM&110 Homework Chapter 1 1. In these diagrams, two different types of atoms are represented by color and size. Characterize each sample as an element, a compound, or a mixture. Explain your reasoning. (a) (b) (c) (d) 4. Express each of these numbers in scientific notation. a. 1500 m, the distance of a foot race b. 0.0000000000958 m, the distance between O and H atoms in a water molecule c. 0.0000075 m, the diameter of a red blood cell 5. Express 1 m in terms of cm, µm, and nm. Use proper scientific notation in your answers. 6. Consider this portion of the periodic table and the groups shaded on it. a. What is the group number for each shaded region? b. Name the elements that make up each group. c. Give a general characteristic of the elements in each of these groups.

Your Question :help  please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working!