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Inorganic Chemistry
Answer the problem using the rubrics below as a guide:
Given and Asked - 3 pts; Complete data and proper units and significant figures (SF).
Equation or formula used - 2 pts; Necessary equations needed in solving the problem are shown.
Solution - 6 pts; Complete and organized solution/s shown
Answer - 4 pts; Correct answer with correct significant figures (SF) and unit.
1. A combustion reaction wherein 15.0 g of propane (C3H8) is burned with 75.0 g of oxygen (O2).
a. Determine the limiting reactant.
b. What is the maximum amount of CO2 can you produce?
Given and Asked - 3 pts; Complete data and proper units and significant figures (SF).
Equation or formula used - 2 pts; Necessary equations needed in solving the problem are shown.
Solution - 6 pts; Complete and organized solution/s shown
Answer - 4 pts; Correct answer with correct significant figures (SF) and unit.
1. A combustion reaction wherein 15.0 g of propane (C3H8) is burned with 75.0 g of oxygen (O2).
a. Determine the limiting reactant.
b. What is the maximum amount of CO2 can you produce?
Inorganic Chemistry
Answer the problem using the rubrics below as a guide:
Given and Asked - 3 pts; Complete data and proper units and significant figures (SF).
Equation or formula used - 2 pts; Necessary equations needed in solving the problem are shown.
Solution - 6 pts; Complete and organized solution/s shown
Answer - 4 pts; Correct answer with correct significant figures (SF) and unit.
Hydrogen is prepared commercially by the reaction of methane and water vapor at elevated temperatures.
CH4 (g) + H2O (g) ⇌ H2 (g) + CO (g)
What is the equilibrium constant for the reaction if a mixture at equilibrium contains gases with the following concentrations, at a temperature of 760°C?
CH4 = 0.126 M
H2O = 0.242 M
CO = 0.126 M
H2 = 1.15 M
Given and Asked - 3 pts; Complete data and proper units and significant figures (SF).
Equation or formula used - 2 pts; Necessary equations needed in solving the problem are shown.
Solution - 6 pts; Complete and organized solution/s shown
Answer - 4 pts; Correct answer with correct significant figures (SF) and unit.
Hydrogen is prepared commercially by the reaction of methane and water vapor at elevated temperatures.
CH4 (g) + H2O (g) ⇌ H2 (g) + CO (g)
What is the equilibrium constant for the reaction if a mixture at equilibrium contains gases with the following concentrations, at a temperature of 760°C?
CH4 = 0.126 M
H2O = 0.242 M
CO = 0.126 M
H2 = 1.15 M
Inorganic Chemistry
At one point during the synthesis of nirosyl bromide, the following concentration were measured [NO] = 0.050 M. [Br2] = 0.100 M, and [NOBr] = 0.010 M. Calculate for the value of Q during this point of the synthesis.
Inorganic Chemistry
Hydrogen Chloride reacts with active metals such as zinc to form hydrogen gas and a Chloride for the metal
Inorganic Chemistry
When 10.11g of hydrochloric acid reacts with 10.3 g of aluminum hydroxide,
a. Identify the limiting reagent
b. Find the moles of the salt produced
c. Find the moles of the excess reactant used up in the reaction
d. Find the moles of the excess reactant leftover after the reaction is complete
e. Find the mass of the excess reactant leftover after the reaction is complete
f. When this reaction was completed in the lab, the percentage yield (of the salt produced) was 72.5%. What is the actual yield?
a. Identify the limiting reagent
b. Find the moles of the salt produced
c. Find the moles of the excess reactant used up in the reaction
d. Find the moles of the excess reactant leftover after the reaction is complete
e. Find the mass of the excess reactant leftover after the reaction is complete
f. When this reaction was completed in the lab, the percentage yield (of the salt produced) was 72.5%. What is the actual yield?
Inorganic Chemistry
When O2 reacts with H2S the products are SO2 and H2O.
Mixture Y contains an equal number of the two molecules shown, and no other molecules.
16. 18. 1. 32. 1
O= O. H---. S---H
1. 16. 1
Which statements about Y are correct?
1 The average Mr in Y is 34.
2 If some oxygen molecules are removed from Y, the average Mr of the mixture remains the
same.
3 When mixture Y is ignited, some H2S remains unreacted.
Mixture Y contains an equal number of the two molecules shown, and no other molecules.
16. 18. 1. 32. 1
O= O. H---. S---H
1. 16. 1
Which statements about Y are correct?
1 The average Mr in Y is 34.
2 If some oxygen molecules are removed from Y, the average Mr of the mixture remains the
same.
3 When mixture Y is ignited, some H2S remains unreacted.
Inorganic Chemistry
20cm3 of gaseous hydrocarbon z was burnt in 210cm3 of excess oxygen, after cooling to room temperature the gaseous product occupied a volume of 170cm3. When the gaseous mixture was passed through conc potassium hydroxide solution the volume reduced by 80cm3.
1. Write the equation for the reaction that took place
2.Determine molecular formular of z.
Inorganic Chemistry
When O2 reacts with H2S the products are SO2 and H2O.
Mixture Y contains an equal number of the two molecules shown, and no other molecules.
O16
8 = O18
8 H
1
1 – S32
16 – H
1
1
Which statements about Y are correct?
1 The average Mr in Y is 34.
2 If some oxygen molecules are removed from Y, the average Mr of the mixture remains the
same.
3 When mixture Y is ignited, some H2S remains unreacted.
Mixture Y contains an equal number of the two molecules shown, and no other molecules.
O16
8 = O18
8 H
1
1 – S32
16 – H
1
1
Which statements about Y are correct?
1 The average Mr in Y is 34.
2 If some oxygen molecules are removed from Y, the average Mr of the mixture remains the
same.
3 When mixture Y is ignited, some H2S remains unreacted.
Inorganic Chemistry
X is either chlorine or an oxide of chlorine.
X reacts with water, under suitable conditions, to form the two acids HCl and HClO3 in the mole
ratio of 1 (HCl): 5 (HClO3).
What could be X?
A Cl 2 B Cl 2O C ClO2 D Cl 2O7
X reacts with water, under suitable conditions, to form the two acids HCl and HClO3 in the mole
ratio of 1 (HCl): 5 (HClO3).
What could be X?
A Cl 2 B Cl 2O C ClO2 D Cl 2O7
Inorganic Chemistry
Calculate the energy required to excite a particle in a cubic box of edge length 1Å from its ground state to its first excited state.
