2PbS(s)+3O2(g)→2PbO(s)+2SO2(g) Sulfur dioxide can then react
with oxygen in air to form sulfur trioxide. Classify this...
2PbS(s)+3O2(g)→2PbO(s)+2SO2(g) Sulfur dioxide can then react
with oxygen in air to form sulfur trioxide. Classify this reaction
as a synthesis, decomposition, single-displacement, or
double-displacement reaction.
Sulfur dioxide reacts with oxygen to produce sulfur trioxide.
150 g of sulfur dioxide is reacted with 50 g of oxygen. The
reaction proceeds until one reactant is completely consumed.
Write a balanced chemical equation or this
reaction.
What is the theoretical yield of sulfur trioxide?
What is the percent yield of sulfur trioxide if 180 g is actually
produced?
Sulfur dioxide reacts with oxygen to produce sulfur trioxide in
a gas-phase reaction.
(a) A 1.500 L flask was filled with 4.00 x 10^-2 moles of sulfur
dioxide and 2.00 x 10^-2 moles of oxygen, and the reaction is
initiated at 900K. At equilibrium, the flask contained 2.96 x 10^-2
moles of sulfure trioxide. What is the molarity of each substance
in the flask at equilibrium?
(b) Find K. Suppose that the 1.500 L flask was initially filled
with 4.00...
Methanol and oxygen react to form carbon dioxide and water, like
this: 2CH3OH (l) + 3O2 (g) → 2CO2 (g) + 4H2O (g) At a certain
temperature, a chemist finds that a 4.4L reaction vessel containing
a mixture of methanol, oxygen, carbon dioxide, and water at
equilibrium has the following composition: compound amount CH3OH
4.65g O2 2.54g CO2 2.36g H2O 4.97g Calculate the value of the
equilibrium constant Kc for this reaction. Round your answer to 2
significant digits.
The equilibrium system between sulfur dioxide gas, oxygen gas,
and sulfur trioxide gas is given.
Write the balanced chemical equation for the reverse reaction.
Include physical states for all species.
Calculate ?Ho,?S0,?G0 (
25.0oC)for the formation of sulfur trioxide from oxygen
gas and sulfur dioxide ;
Wtite balance equation and show all units, substances in your
equation.
Substance
Enthalpy value (Kj/mole)
Entropy value(J/K-mole)
Sulfur dioxide gas
-300
250
Sulfur trioxide gas
-395
260
Oxygen gas
0
210
Chromium and oxygen combine to form chromium (III) oxide.
4Cr(s)+3O2(g)→2Cr2O3(s)
How many moles of O2 react with 4.85 mol of Cr?
How many grams of Cr2O3 are produced when 23.6 g of Cr
reacts?
When 25.0 g of Cr reacts with 7.20 g of O2, how many grams of
Cr2O3 can form?
If 72.1 g of Cr and 68.0 g of O2 are mixed, and 87.0 g of Cr2O3
is actually obtained, what is the percent yield of Cr2O3 for...
Sulfur trioxide, ammonia gas, and water will react to form
ammonium sulfate. Determine the % yield when 3.78g of ammonium
sulfate forms from the reaction of 2.51g of sulfur trioxide, 1.55g
of ammonia, and 0.804g of water.
Sulfur dioxide and oxygen react exothermically according to the
thermochemical equation shown below. Calculate the maximum amount
of heat that could be released if 15.0 g of O2 gas is allowed to
react with 13.4 L of SO2 gas at 1.00 atm and 15°C. (CAUTION: This
problem may not be as simple as it looks. So please think about it
before you start working.) 2 SO2(g) + O2(g) → 2 SO3(g) ΔH° = –198
kJ
1. Consider the following thermochemical equation: 2ZnS(s) + 3O2(g) → 2ZnO(s) + 2SO2(g) ∆H° = –878.2 kJ
(a) How much heat is released when 3.0 mol ZnS(s) reacts in excess oxygen?
(b) How much heat is released when 2.3 × 10-2 mol ZnS(s) reacts in excess oxygen?
(c) What is the enthalpy change when 223.9 g ZnS(s) reacts in excess oxygen?
(d) What is the enthalpy change when 0.96 g ZnO(s) is produced?
2. Slaked lime (Ca(OH)2(s)) is produced...
A flask contains 30.5 g of oxygen gas, 45.7 g of
sulfur dioxide gas and 23.9 g of fluorine gas. If the total
pressure of the flask is 1.45 atm, what is the partial pressure of
sulfur dioxide gas in the flask?