How many grams of o2 are in a 5.0 mol of the element?

Which is not an essential component of a voltaic cell? A. Negative electrode (anode) B. Positive electrode (cathode) C. Electrolyte D. Voltmeter

What is the formula of peroxide? a. SO3 (2-) b. SO4 (2-) c. O2 (2-) d. OH (-)

What is the volume of a 0.120 M solution that contains 9.35 g of HCI?

How many gallons in 2 L bottle

When working on a project a scientist discovers that some of the data she was basing her research on was not accurate. what should the scientist do?

Which of the following statements about chemical formulas is FALSE? A) The subscripts represent the relative number each type of atom in the compound. B) The subscripts represent the relative mass of each type of atom in the compound.

The lowest possible concentration of free hydrogen ions is represented by a ph value of

Diseases that are inherited are caused by

Why do many metal ions produce acidic solutions when dissolved in water?

Which property of potential energy distinguishes it from kinetic energy? a. mass b. position c. force d. work and power