Reactivity chapter 5 Flashcards
what is the reactivity scale in order from most to least reactive
potassium K
sodium Na
calcium Ca
magesium Mg
zinc Zn
Iron fe
copper Cu
Silver Ag
Gold Au
copper sulfate + iron =
this will give you iron sulfate + copper this reaction occurs because iron is reactive enough to displace the copper
what are the different types of salts and their uses
sodium chloride - tabel salt food ect
magnesium carbonate - gymnast chalk
calcium sulfate - black board chalk
what types of salts are formed by these acids
A. hydrochloric acid
b. sulfuric acid
c. nitric acid
a. chlorides (sodium chloride)
b. sulfates (copper sulfate)
c. nitrates (potassium nitrate)
what is the general equation for the reactions of metals with acids
acid + metal = salt + hyydrogen
what acid would you mix magnesium with to make magnesium sulfate
sulfuric acid
what is the general equation for making salts with a metal oxide
acid + metal oxide = salt +water
copper oxide + sulfuric acid =
copper sulfate + sulfuric acid = copper sulfate + water
what is the equation for metals and carbonates
sulfuric acid + calcuim carbonate + calcium sulfate + water + carbon dioxide
write the word equation for magnesium carbonate + nitric acid
mangnesium carbonate + nitric acid = magnesium nitrate + water + carbon dioxide
explain how salt can be formed by neutralisation give a example
alkalines react with acids too neutralise them. when a acid is neutralised by a alkali a salt is produced for example s
sodium hydroxide + hydrochloric acid = sodium chloride + water
general equation
acid + alkali = slat + water
what is the law of conseravtion
nothing is added or taken away the mass you begin with is the mass you end with
what is the law of conservation of energy
weather a chemical reaction takes energy or releases energy there is no overall change in the amount of energy during the reaction this is beacuse energy cant be created or destroyed
