Answer is: <span>1 mol CH</span>₄/<span>16,0 g CH</span>₄.
Chemical reaction: CH₄ + 2O₂ → CO₂ + 2H₂O.
m(CH₄) = 50,6g.
M(CH₄) = 16g/mol.
n(CH₄) = m(CH₄) ÷ M(CH₄) = 50,6g ÷16g/mol = 3,16mol.
n(CH₄) : n(CO₂) = 1:1.
nCO₂) = 3,16mol.
m(CO₂) = m(CO₂) · m(CO₂) = 3,16mol · 44g/mol = 139,15g.
M - molar mass.
n - amount of substance.
Answer:
because the water brings a cool breeze when the wind blows
Explanation:
The percent by weight (w/w%) of sugar in soda : 6.216%
<h3>Further explanation</h3>
Given
mass of sugar = 23 g
total mass = 370 g
Required
the percent weight
Solution
%weight = (mass of solute : mass of solution) x 100%
solute = sugar
solution = solvent + solute = water + sugar
percent weight of sugar in soda :
= (23 : 370) x 100%
= 6.216 %
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Assume Specific Heat capacity of water = 4.186 J/g<span>°C
100g sample,
Q=mc</span>Δθ<span>
8360=100(4.186)(Final Temp.-22.0)
Final Temperature </span>≈<span>41.97</span><span>°C</span>
