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☆☆☆☆☆Cards in this guide (12)
Are exothermic reactions decomposition reactions or are they synthesis reactions
Synthesis reactions are generally characterized by being exothermic. Decomposition reactions are usually endothermic.
True or false The concentration of an acid or base refers to how completely it dissociates in water
false
The of an acid and a base is determined by how completely they dissociate in water
The _____________ of an acid and a base is determined by how completely they dissociate in water.
strength
A horizontal line on a phase change graph indicates
A horizontal line on a phase change graph means there has been no change. Often longer periods of research are needed to see significant change.
What would happen to the pressure inside any enclosures on the moon as the sun hits the exterior and the temperature begins to rise
The gasses inside the enclosure would expand as their molecules were excited creating a greater pressure inside the enclosures.
What amount of acid or base dissolved in water called
the concentration
Which one of the following is a common acid soap aspirin antacid and washing soda
Aspirin
Which of the following is an example of redox reaction-
Redox reaction is chemical reactions. This happens when atoms oxidation state changes.
Which one of the following is an example of a strong acid
Hydrochloric acid -APEX;)
On a very hot summer day railroad tracks can buckle causing train delay and derailments select the what the best reason below for the buckling
😂
Changing subscripts is one of the steps of balancing a chemical equation.
false
A steep slope on a phase change graph indicates
Heirhey
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