Reactions
Type of reaction?
2C2H6 + 7O2 --> 4CO2+ 6H2O
Combustion
Write the combustion reaction of hexane (C6H14)
2C6H14+19O2→12CO2+14H2O
Mr. D's brother Robby is married to Maddy. Maddy has a rather large number of nieces and nephews. How many does she have?
11...arguably too many to keep track of!
How many moles of oxygen are in 12 moles of CO2
24
Predict the products:
NaCN + HBr---->
NaBr and HCN
How many moles of water are produced in the combustion of 5 moles of hexane?
2C6H14+19O2→12CO2+14H2O
35 moles
What is the percent mass of nitrogen in nitrogen trihydride?
82.2%
How many grams are in 24 moles of water?
432
Write the balanced equation for: Sodium chlorate (NaClO3) into sodium chloride and oxygen gas
2NaClO3----> 2NaCl +3O2
In a double displacement reaction, HCl and NaOH react to create sodium chloride and water. How many grams of water would be made if 36 g of HCl reacts fully?
18 g
Write a generic formula for a double displacement reaction
AB + CD ------> AD + CB
How many grams of oxygen are in 100 moles of CO2
Predict products:
(NH4)2SO4 + Ba(NO3)2
BaSO4+ 2NH4NO3
How many molecules of water are made in the combustion of 16 g of methane?
12x1023
How many cousins does Mr. Danziger have?
Does that include all cousins or just 1st cousins?
Good question...but just 1st cousins!
9
Predict products for this reaction:
Br2+ 2KI---->
2KBr + I2
The decomposition of 108 g hydrogen peroxide (H2O2) into water and oxygen gas yields only 4 g oxygen. What was the percent yield?
7%
the number of molecules in a mole is known as: ____________ (spelling counts)
Avogadro's number