2. What type of reaction is this? * 5 points
|_BaCl2(aq) + _Al2(SO4)3(aq) — _BaSO4(s) + _AICI3(aq)
Combustion Reaction

Acid Base Reaction

Synthesis Reaction

Single Replacement Reaction

Decomposition Reaction

Precipitation Reaction

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?