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Chemistry

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Carlee Ferry

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Cards in this guide (11)
Are exothermic reactions decomposition reactions or are they synthesis reactions

Synthesis reactions are generally characterized by being exothermic. Decomposition reactions are usually endothermic.

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

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 the following is a necessary product of a combustion reaction

heat

Which one of the following is an example of a strong acid

Hydrochloric acid -APEX;)

Which one of the following is a balanced equation

2NH3(g) + 3Mg(s) —> 3H2(g) + Mg3N2(s)

The change that takes place when two or more substances what to form new substances is called a chemical reaction

(Apex) interact

Changing subscripts is one of the steps of balancing a chemical equation.

false

Which one if the following is an example of a composition reaction

2Na(s)+Cl2 (g)---> 2NaCl (s)

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