You would need to isolate the variable by dividing each side by factors that don't contain the variable. So, the answer would be
x = 2.2
168.96 g of carbon dioxide (CO₂)
Explanation:
The chemical reaction representing the combustion of acetylene:
2 C₂H₂ (g) + 5 O₂ (g)→ 4 CO₂ (g) + 2 H₂O (g)
number of moles = mass / molecular weight
number of moles of acetylene (C₂H₂) = 50 / 26 = 1.92 moles
Taking in account the stoichiometry of the chemical reaction, we devise the following reasoning:
if 2 moles of acetylene (C₂H₂) produces 4 moles of carbon dioxide (CO₂)
then 1.92 moles of acetylene (C₂H₂) produces X moles of carbon dioxide (CO₂)
X = (1.92 × 4) / 2 = 3.84 moles of carbon dioxide (CO₂)
mass = number of moles × molecular weight
mass of carbon dioxide (CO₂) = 3.84 × 44 = 168.96 g
Learn more about:
combustion of hydrocarbons
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Answer:
Mass = 26.50 g
Explanation:
Given data:
Mass of sodium carbonate = ?
Molarity of solution = 0.25 M
Volume of solution = 1.00 L
Solution:
Molarity = number of moles / volume in litter
0.25 M = number of moles / 1.00 L
Number of moles = 0.25 M × 1.00 L
Number of moles = 0.25 mol
Mass:
Mass = number of moles × molar mass
Mass = 0.25 mol × 106 g/mol
Mass = 26.50 g
Answer:
Bohr Atomic Model : In 1913 Bohr proposed his quantized shell model of the atom to explain how electrons can have stable orbits around the nucleus. ... To remedy the stability problem, <em><u>Bohr modified the Rutherford model by requiring that the electrons move in orbits of fixed size and energy.</u></em>
Answer:
The Bohr model of the atom explains the reactivity of all atoms.