Which chemical equation is a decomposition reaction? a.2H2O (l)  H2(g) + O2(g)

b. Zn(s) + HCl (aq)  ZnCl2(aq) + H2(g)

c. Al4C3(s) + H2O(l)  CH4(g) + Al(OH)3(s)

d. CH4 (g) + 2O2(g)  CO2(g) + 2H2O(g)

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume