
U7.2 Study Guide (Chemical Equations)
Quiz by Aaron Holley
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- Q1
Identify the different parts of a chemical equation.
Users link answersLinking60s - Q2
A chemical equation that uses words instead of chemical formulas to express a chemical reaction is called a(n) ____.
word equation
skeleton equation
discussion expression
balanced chemical equation
60s - Q3
A chemical equation that shows the chemical formulas of the reactants and products is called a(n) ____.
balanced chemical equation
discussion expression
word equation
skeleton equation
60s - Q460s
- Q560s
- Q660s
- Q760s
- Q8
Which of the following is the best skeleton equation for the description below:
Magnesium reacts with sodium fluoride to produce magnesium fluoride and elemental sodium.
Mn + NaF MnF2 + Na
Mg + NaF MgF + Na
Mg + NaF MgF2 + Na
MgF2 + Na Mg + NaF
120s - Q9
Which of the following is the best skeleton equation for the description below:
Carbon dioxide and water are produced when crystalline C6H12O6 is burned in the presence of oxygen gas.
C6H12O6 + O2 C2O + HO2
C6H12O6 + O CO2 + H2O
CO2 + H2O C6H12O6 + O
C6H12O6 + O2 CO2 + H2O
120s - Q10
Which of the following is the best skeleton equation for the description below:
Zinc and lead(II) nitrate react to form zinc nitrate and lead metal.
Zn + PbNO3 ZnNO3 + Pb
Zn + Pb(NO3)2 ZnNO3 + Pb
Zn(NO3)2 + Pb Zn + Pb(NO3)2
Zn + Pb(NO3)2 Zn(NO3)2 + Pb
120s - Q11
Which of the following is the best skeleton equation for the description below:
Sodium phosphate and calcium chloride react to form calcium phosphate and sodium chloride.
Na3PO4 + CaCl2 Ca3(PO4)2 + NaCl
Na3P + CaCl2 Ca3(PO4)2 + NaCl
Na3PO4 + CaCl2 CaPO4 + NaCl
Na3PO4 + CaCl Ca3(PO4)2 + NaCl2
120s - Q12
Which of the following is the best skeleton equation for the description below:
Calcium hydroxide and carbon dioxide yields calcium carbonate and water.
Ca(OH)2 + C2O2 CaCO3 + H2O
CaOH + CO2 Ca(CO3)2 + H2O
Ca(OH)2 + CO2 CaCO3 + H2O
CaOH + CO2 CaCO3 + H2O
120s - Q13
Which of the following is the best skeleton equation for the description below:
Aqueous iron(III) chloride and sodium carbonate solution react to form aqueous sodium chloride and a precipitate of iron(III) carbonate.
NaCl + Fe2(CO3)3 FeCl3 + Na2CO3
FeCl2 + NaCO3 Fe3(CO3)2 + NaCl
FeCl3 + Na2CO3 NaCl + Fe2(CO3)3
FeCl3 + Na2CO3 NaCl3 + FeCO3
120s - Q14
Which of the following is the best skeleton equation for the description below:
Potassium chloride and oxygen gas are produced from the decomposition of potassium chlorate.
KClO3 KCl + O2
KClO4 KCl + O2
KCl + O2 KClO3
KClO3 KCl2 + O2
120s - Q15
Which of the following is the best skeleton equation for the description below:
Cobalt(III) bromide reacts with fluorine gas and produces bromine and cobalt(III) fluoride.
CoBr3 + F2 Br2 + CoF3
CoBr3 + F2 Br2 + CoF2
CoBr3 + F Br + CoF3
CoBr3 + F2 Br3 + CoF3
120s