Show:
Chemical or
Physical Change?
Naming Ionic and Covalent Compounds
Chemical Formulas of Ionic and Covalent Compounds
Balancing Chemical Equations
Word Equations
100
Sugar dissolves in warm water.
What is physical?
100
Ag3P - The type of compound and its name.
What is ionic and silver phosphide?
100
Nitrogen - the type of compound and its chemical formula.
What is covalent and N2?
100
Balance Ag2O ---> Ag + O2
What is 2Ag2O ---> 4Ag + O2
100
Write the complete balanced equation when hydrogen gas and nitrogen monoxide react to form water and nitrogen gas.
What is 2H2(g) + 2NO(g) ---> 2H2O(l) + N2(g)
200
A candle burning.
What is chemical?
200
N2O3 - The type of compound and its name.
What is covalent and dinitrogen trioxide?
200
Beryllium hydroxide - the type of compound and its chemical formula.
What is ionic and Be(OH)2?
200
Balance C3H8 + O2 ---> CO2 + H2O
What is C3H8 + 5O2 ---> 3CO2 + 4H20
200
Write the complete balanced equation when a piece of zince is added to a solution of lead (II) nitrate producing zinc nitrate solution and a lead precipitate.
What is Zn(s) + Pb(NO3)2(aq) ---> Zn(NO3)2(aq) + Pb(s)
300
Boiling an egg.
What is chemical? It's an irreversible change - you can't get the uncooked egg back.
300
NiPO4 - The type of compound and its name.
What is ionic and nickel (III) phosphate?
300
Disilicon hexabromide - the type of compound and its chemical formula.
What is covalent and Si2Br6?
300
Balance B2Br6 + HNO3 ---> B(NO3)3 + HBr
What is B2Br6 + 6HNO3 ---> 2B(NO3)3 + 6HBr
300
The complete balanced chemical equation for when lithium hydroxide pellets are added to a solution of sulfuric acid, lithium sulfate and water are formed.
What is 2LiOH(s) + H2SO4(aq) ---> Li2SO4(aq) + 2H20(l)
400
Iron and sulfur mix and form a partially magnetic black and yellow mixture.
What is physical? The iron and sulfur can easily be separated by a magnet - no new substance is being formed.
400
VO2 - The type of compound and its name.
What is ionic and vanadium (IV) oxide?
400
Platinum (II) sulfide - the type of compound and its chemical formula.
What is ionic and PtS?
400
Balance CaCO3 + H3PO4 ---> Ca3(PO4)2 + H2CO3
What is 3CaCO3 + 2H3PO4 ---> Ca3(PO4)2 + 3H2CO3
400
The complete balanced chemical equation when crystalline C6H12O6 is burned in oxygen, carbon dioxide and water vapour are formed.
What is C6H12O6(s) + 6O2(g) ---> 6CO2(g) + 6H2O(g)
500
When a chunk of palladium metal is ground into a very fine powder and is heated to drive off any atmospheric moisture, the resulting powder is an excellent catalyst for chemical reactions.
What is physical? Both grinding and heating are physical processes. Even if atmospheric moisture is mentioned, boiling is still a physical process.
500
Cu(NO2)2 - The type of compound and its name.
What is ionic and copper (II) nitrite?
500
Ammonium sulfate - the type of compound and its chemical formula.
What is ionic and (NH4)2SO4?
500
Balance Cr(NO2)2 + (NH4)2SO4 ---> CrSO4 + NH4NO2
What is Cr(NO2)2 + (NH4)2SO4 ---> CrSO4 + 2NH4NO2
500
The complete balanced chemical equation if a copper coil is placed into a solution of silver nitrate, silver crystals form on the surface of the copper. Additionally, highly soluble copper (I) nitrate is generated.
What is Cu(s) + AgNO3(aq) ---> Ag(s) + CuNO3(aq)