In order for the reaction 2A(s)+6HCI3(aq)+ 3H2(g) to occur, which of the following must be true?
A. AI must be above CI on the activity series
B. AI must be above H on the activity series
C. Heat must be supplied for the reaction
D. AICI3 must be a precipitate

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction