8. the equation AX->A+X is the general equation for a

a. combustion reaction

b. single-displacement reaction

c.synthesis reaction

d. decomposition reaction

9. In what kind of reaction do two or more substances combine to form a new compound? a decomposition reaction b. double displacement reaction C. synthesis reaction d. combustion reaction 10. The equation 2,H,OH + 90, 600, +8H,O is an example of which type of reaction? a. single-replacement reaction b. decomposition reaction c. double-replacement reaction d. combustion reaction 11. A sample of tin (atomic mass 118.71 amu) contains 3.01 x 10atoms. The mass of the sample is a. 3.01 g b. 72.6 g C. 59.3 g d. 11g . 12. What is the balanced equation when aluminum reacts with copper(II) sul fate? 2AI + Cu So, Al2SO. + 2Cu b. Al + CuSO. AISO, +Cu C. 2Al + 3CuSO4 Al2(SO4)+ 3Cu d. Al + Cur SAIS + Cu 13. The reaction represented by the equation 2KCIO () 2K Cl(s) + 30 (9) is a(n) a. ionic reaction b. decomposition reaction. C synthesis reaction. d. combustion reaction 14. How many atoms are in 210 mol CO ? 3.79 x 10 atoms atoms 1.26 . 10 atoms d 3.49 x 10 atoms a b. 2.53 x 10 24 C 20