At stp what volume of SO2 gas will be produced when 2.00g of CS2 is burned
1 mole at STP is 22.4L
2.00g of CS2 is 2/76.14 = 0.0263 moles CS2
CS2+3O2 = CO2 + 2SO2
so, each mole of CS2 produces 2 moles of SO2.
I expect you can take it from there...
1548
To determine the volume of SO2 gas produced when burning 2.00g of CS2, we need to follow these steps:
Step 1: Write the balanced chemical equation for the combustion of CS2.
The balanced chemical equation for the combustion of CS2 is:
CS2 + 3O2 -> CO2 + 2SO2
Step 2: Calculate the number of moles of CS2.
To calculate the number of moles, we can use the formula:
moles = mass (in grams) / molar mass
The molar mass of CS2 is calculated by adding up the atomic masses of carbon (C) and sulfur (S):
molar mass of CS2 = atomic mass of C + atomic mass of S + (2 * atomic mass of H)
Note: Since there are no Hydrogen (H) atoms in CS2, only carbon and sulfur need to be considered.
The atomic mass of carbon (C) is 12.01 g/mol.
The atomic mass of sulfur (S) is 32.07 g/mol.
molar mass of CS2 = 12.01 g/mol + 32.07 g/mol = 44.08 g/mol
Now we can calculate the number of moles of CS2:
moles of CS2 = 2.00 g / 44.08 g/mol
Step 3: Determine the stoichiometry of the reaction.
The stoichiometry of the balanced equation tells us the molar ratio between CS2 and SO2. According to the balanced equation, 1 mole of CS2 produces 2 moles of SO2.
Step 4: Calculate the moles of SO2 produced.
To calculate the moles of SO2 produced, we can multiply the moles of CS2 by the stoichiometric ratio:
moles of SO2 = moles of CS2 * (2 moles of SO2 / 1 mole of CS2)
Step 5: Use the Ideal Gas Law to find the volume of SO2 gas.
The Ideal Gas Law equation is:
PV = nRT
Where:
P is the pressure (should be provided, usually in atmospheres)
V is the volume (to be calculated)
n is the number of moles
R is the ideal gas constant (0.0821 L·atm/mol·K)
T is the temperature in Kelvin (should be provided, usually 273 K for STP - standard temperature and pressure)
Since it is mentioned that we are at STP (Standard Temperature and Pressure), the pressure is 1 atmosphere and the temperature is 273 K.
V = (n * R * T) / P
Substitute in the known values:
V = (moles of SO2 * R * 273 K) / 1 atm
Step 6: Calculate the volume of SO2 gas.
Now we can calculate the volume of SO2 gas at STP:
V = (moles of SO2 * 0.0821 L·atm/mol·K * 273 K) / 1 atm
Finally, plug in the value calculated in Step 4 to find the volume in liters.