Chemistry

5. you need a ____ factor in order to relate things in different units: ex. 12 in = 1 ft
7. a chemical reaction is this when the same amount of elements are on either side of the arrow
11. CO2
12. mass of a compound per mole
14. compounds/elements on the right of the reaction arrow
15. if you have 6.02 x 10^23 of an object you have 1 ___
18. the first step to balance an equation is to _____ the atoms
19. displacement, elements in two compounds that switch places,
21. Ca
22. pure substance that cannot be chemically broken down
23. releases heat
24. this scientist discovered the ratio of molecules to moles (6.022 x 10^23)

1. H20
2. absorbs heat (gets cold)
3. Cl
4. chemical reaction that has only ONE product
6. measurement of mass
8. type of chemical reaction that needs oxygen to occur
9. substance with multiple elements bonded
10. displacement, element that takes the place of an element in the compound
13. chemical _____ occurs when molecular structure is rearranged
16. compounds/elements on the left of the reaction arrow
17. chemical reaction that has only ONE reactant
20. Li