An ion from a given element has 82 protons and 80 electrons. what is the charge on the ion? what is the name of the element? what is the symbol for the ion?

A 10 gram sample of water is heated to 105 ℃ and is mixed with a 25 gram sample of water cooled to 25℃. What is the final temperature of the water mixture?

A cell consists of a gold wire and a saturated calomel electrode (s. c. e.) in a 0.160 m auno3 solution at 25 °c. the gold wire is connected to the positive end of a potentiometer, and the s. c. e.

How is the kinetic energy of the particles of a substance affected during a phase change?

Which of these substances acts as a buffer? a. blood b. lemon juice c. curd

Mass of 2 mole of H2SO4

Wat is a redox reaction

What is the difference between an organic and inorganic molecule

The variable that you plan to change during the course of an experiment is?

It is often necessary to prepare a dilute solution from a more concentrated solution rather than starting from a solid and just dissolving it then adding water. This technique is called serial dilution.

Zinc metal reacts With hydrochloric