Question 2 options:
For the reaction CH4 + O2 →CO2 + H2OCH4 + O2 →CO2 +
H2O
what are the coefficients for each reactant or product?
a. CH4
b. O2
c. CO2
d. H2O
Question 3 (2 points)
Question 3 options:
For the reaction NaOH + AlCl3 →NaCl + Al(OH)3NaOH +
AlCl3 →NaCl + Al(OH)
what are the coefficients for each reactant or product?
a. NaOH
b. AlCl3
c. NaCl
d. Al(OH)3
Question 4 (2 points)
Question 4 options:
For the reaction H2O2...
Consider this reaction: 2 C2H6 + 7
O2 → 4 CO2 + 6 H2O
(a) How many grams of oxygen are required to completely react
with (burn) 100.0 g of ethane?
(b) If 55.0 g of ethane is mixed with 55.0 gram of oxygen, and
the mixture then reacts, how many grams of water will be
formed?
Consider the following reaction: 2 HCl + CaCO3 → CaCl2 + H2O +
CO2
How many grams of calcium chloride can be produced if you begin
with 6.19 mL of 1.01 M HCl and 1.700 grams of calcium
carbonate?
1. Consider this reaction: 2 C2H2 + 5 O2 ? 4 CO2 + 2 H2O If 222
grams of C2H2 reacts completely in this reaction: What mass of O2
will be required? What mass of CO2 will be formed?
2. What is the molarity of a solution formed by
dissolving 58.6 grams of KClO3 in enough water to make a solution
with a volume of 750.0 milliliters?
4. A solution of 6.0 M NaOH with a volume of
250 milliliters...
What type of chemical reaction is shown below?
C2H6 + O2 --> CO2
+ H2O
Na + Cl2 --> NaCl
H2O ---> H2 + O2
H2 + LiCl ---> HCl + Li
What is the correct order of coefficients to correctly balance
the equation shown below?
____NH4Cl + ____MgO --->
____(NH4)2O + ____MgCl2
C2H6 + ___ O2 --->
CO2 + H2O
Na + Cl2 ---> ___ NaCl
-How many atoms are in 4.39 g of CO2?
-How many molecules are there in 8.0 g of ozone,
O3?
-How many sulfur atoms are there in 21.0 g of
Al2S3?
-How many sulfur atoms are present in 25.6 g of
Al2(S2O3)3?
-Determine the number of moles of aluminum in 96.7 g of Al.
Balance the combustion reaction of chrysene (C18H12) at 298K.
C18H12(s)+ O2(g) CO2(g) + H2O(l)
What is the value of ng for the combustion reaction? ng = mol
What is Hcomb of chrysene if Ecomb = -8942.6 kJ/mol?
Hcomb = kJ/mol What is the heat of formation of chrysene? See
Thermodynamic Properties Hf = kJ/mol