Topic
Q:
An ionic bond is a chemical bond that holds
Q:
An ionic bond is a chemical bond that holds:
Q:
This French scientist, \( \square \) is the Father of Modern Chemistry.
Q:
Match the following terms with their definitions:
elements that are good conductors and malleable
elements that are poor conductors and tend to be brittle
elements that are moderate conductors
Q:
8.1 Define an acid in terms of the Lowry-Brensted theory.
8.2 Consider the following acid-base reaction:
8.2.1 Identify the conjugate acid-base pairs in the above reaction.
8.2 .2 Define the term ampholye.
8.23 Chooso an ampholyte in the above reaction.
Q:
a) \( \mathrm{Se}_{2} \mathrm{O}_{2}+\mathrm{H}_{2} \mathrm{O}= \)
Q:
Which change will cause a chemical reaction to speed up?
decreasing the concentration of reactants
removing a catalyst
decreasing the temperature
increasing the surface area of a solid reactant
Q:
8.1 Define an acid in terms of the Lowry-Brensted theory.
8.2 Consider the following acld-base reaction:
8.2.1 Identify the conjugate acid-base pairs in the above reaction.
8.2.2 Define the term ampholye.
8.2.3 Choose an ampholyte in the above reaction.
Q:
1. Balancee por el mpetodo de tanteo
\( \mathrm{HCl}+\mathrm{MnO}_{2} \rightarrow \mathrm{MnCl}_{2}+\mathrm{H}_{2} \mathrm{O}+\mathrm{Cl}_{2} \)
\( \mathrm{Hg}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{HgSO}_{4}+\mathrm{H}_{2} \mathrm{O}+\mathrm{SO}_{2} \)
\( \mathrm{Fe}_{2} \mathrm{O}_{3}+\mathrm{C} \rightarrow \mathrm{Fe}+\mathrm{CO} \)
\( \mathrm{KMnO}_{4}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{~K}_{2} \mathrm{SO}_{4}+\mathrm{MnSO} \mathrm{O}_{4}+\mathrm{H}_{2} \mathrm{O}+\mathrm{O} \)
\( \mathrm{ZnS}+\mathrm{O}_{2} \rightarrow \mathrm{ZnO}_{2}+\mathrm{SO}_{2} \)
Q:
prediga la formula quimica pares siguientes Al y F
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