Chemistry & Society

CHEMISTRY & SOCIETY

QUEST 8

NAME______

DATE______PERIOD_____

___1. Mole a) Innermost region of the earth consisting primarily of Fe and Ni

___2. Crust b) Center region of the earth consisting of Mg and Fe silicates

___3. Diatomic c) Relative mass of one atom of an element

___4. Mantle d) Gaseous region of earth

___5. Molar mass e) Outermost layer of earth consisting of Al, Fe, Ca, K, Mg, coal, oil,

___6. Core f) Mass of one mole of atoms of an element

___7. Hydrosphere g) Liquid region of earth

___8. Atomic mass h) Solid region of earth separated into 3 subregions

___9. Atmosphere i.) Avagadro’s number of “things”

___10. Lithosphere j.) Elements that exist as doublets when alone in nature

11. Which layer of the planet do the majority of our resources come from? ______

12. What are the 4 “R’s” of resource conservation? ______, ______, ______, ______

13. Why must we be involved in international trade? ______

Balance the following equations

14. Cu2S + O2 CuO + SO2

15. O3 O2

16. Cu + AgNO3 Cu(NO3)2 + Ag

17. 1 mole = ______= Avagadro’s number

18. What is the mass of 1 mole (GFM)of Magnesium atoms? ______

19. What is the mass of 3 moles of Magnesium atoms? ______

20. What is the mass of 1 mole (GFM)of MgCl2 molecules? ______

21. What is the mass of 3 moles of MgCl2 molecules? ______

22. What is the molar mass (GFM) of KMnO4? ______

23. Convert 2.1 moles KMnO4 to grams ______

24. Convert 0.5 moles MgCl2 to grams ______

25. Convert 50 grams of KMnO4 to moles ______

26. Convert 25 grams of MgCl2 to moles ______

1. Calculate the GFM of CuCl2·2H2O (2pts) ______

2. How many moles are there in 10 grams of sugar (C6H12O6)? (2 pt) ______

3. How many molecules of sugar are there in the problem #2 above? (3 pts)______