Which of of the fol Which (g) O2 (g) ng are decomposition co, (g) H20 B. Cao (s) co2 (g) Cac Mg (s) on (g) Mgo (s) D Pbcoa (s) Pbo (s) co2 (g) Fe Cr(Noas, is an example of
2. The equation, cr Fe(NO which type reaction? decomposition B. N C) replacement combustion x?
3. In the following chemical D. is represented by reaction. what product X Naci (A can not be determined B. AlOH C. Al(OH)3 D. AlsoH
4. of the balanced one most correctly represents a chemical equations below, which A. 2 N2 combustion reaction? C. 2 CH4 3 H 2 NH (B) 2Mg H-o-- Ca(OH)2 4 O2 2CO2 4 D. CaO Hizo
5. How of magnesium? 14.305 many moles of magnesium is 3.01 x 10" atoms 500 moles A. 0.5 moles B. 0.05 moles c. 5 moles
6. What is the mass of 5 moles of chromium chlo 106 A. 7910 75g B 79175g c. 158.35g D. 1583.5 g 7. Aspartame is an artificial sweeteher that is 160 times sweeter than sucrose (table sugar) when dissolved in water. It is marketed by G.D. Searle as Nutra Sweet. The molecular formula of aspartame is C14H18N205. A. 297g/mol 294g/mol C. 284g/mol D. 274 g/mol 8. How many molecules are in 0,005g of aspartame? A. 1.7 105 B. 83 10 C 1 1019 D. 3.01 1021 atoms of nitrogen are in 12grams of aspartame? 2.46 10