The volume of a regular shaped object can be calculated by measuring the object's dimensions. What is the volume of a suitcase that is 20 cm deep, 30 cm wide and 45 cm long answers:
2,700cm squared
27 cm squared
270,000 cm squared
27,000 cm squared

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility

What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.