Show:
Mole Conversions
Writing Chemical Equations
Balancing Chemical Equations
Reaction Types
Very Scary Vocabulary
100
What is the formula mass of ethyl alcohol, C2H5OH?
What is 46.08 amu?
100
According to the law of conservation of mass, the total mass of the reacting substances is....
What is always equal to the total mass of the products?
100
When the equation ____H2 + ____O2 ---> ____H2O is correctly balanced, this is the coefficient of H2O.
What is 2?
100
In the equation 2 Al(s) + 3 Fe(NO3)2(aq) ---> 3 Fe(s) + 2 Al(NO3)3(aq), iron has been replaced by...
What is aluminum?
100
The symbolic representation of a chemical reaction...
What is chemical equation?
200
The molar mass of NO2 is 46.01 g/mol. How many moles of NO2 are present in 114.95 g?
What is 2.498?
200
Predict the product of the reaction represented by the following equation: MgO + CO2 --->
What is MgCO3?
200
____C5H12O2 + ____O2 ----> ____CO2 + ____H2O
What is C5H12O2 + 7 O2 ----> 5 CO2 + 6 H2O
200
The reaction represented by the equation 2 HgO(s) ---> 2 Hg(l) + O2(g) is a....
What is decomposition reaction?
200
The average mass of the atoms of an element....
What is average atomic mass?
300
The mass of 2.0 mol of oxygen atoms (atomic mass 16.00 amu) is...
What is 32 g?
300
In the word equation, sodium oxide + water ---> sodium hydroxide, the formula for sodium hydroxide is represented by...
What is NaOH?
300
____H2 + ____O2 ---> ____H2O
What is 2 H2 + O2 ---> 2 H2O
300
Name the Type of Reaction: 3 C + 4 H2 ---> C3H8
What is synthesis?
300
The number of particles in a mole of a substance...
What is Avagadro's Number?
400
How many moles of atoms are in 50.15 g of mercury (atomic mass 200.59 amu)?
What is 0.2500 mol?
400
Predict the products of KMnO4 + ZnCl2 --->
What is ...KCl + Zn(MnO4)2 ?
400
____KMnO4 + ____ZnCl2 ---> ____KCl + ____Zn(MnO4)2
What is 2 KMnO4 + ZnCl2 ---> 2 KCl + Zn(MnO4)2
400
2 Hg2I2 + O2 ---> 2 Hg2O + 2 I2
What is single displacement?
400
When one unbonded element replaces an element in a chemical compound....
What is single displacement reaction?
500
A prospector finds 39.39 g of pure gold (atomic mass 196.9665 amu). She has...
What is 1.204 x 10 >23 atoms of Au?
500
In the chemical reaction represented by the equation 2Cr(s) + 3O2(g) ---> 2CrO3(s), two chromium atoms combine with...
What is six oxygen atoms?
500
____Fe2O3 + ____H2O ---> ____Fe(OH)3
What is Fe2O3 + 3 H2O ---> 2 Fe(OH)3
500
Name the reaction type: 2 H2O2 ---> 2 H2O + O2
What is decomposition?
500
Matter cannot be created or destroyed in an isolated system...
What is law of conservation of mass?