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442.3. Calculations by chemical reactions.

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Burning 16 g propane and acetylene mixtures, it consumed 38 l oxygen. What is propane volume in this fraction (round answer till solid percent) ?
%
Grade:
9
Subject
Chemistry
Theme
Organic and Inorganic substance transformation.
Subtheme
Calculations by chemical reactions.

Solve tasks to find hidden Geo point coordinates

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  4. Algebra: Interval methodes in inequalities
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  6. Algebra: Function concept recess: growth-decrease; biggest-smallest value;value interval.
  7. Geometry:
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  9. Algebra: Numerical chain concept
  10. Algebra: Function concept recess: Function root; growth-decrease; biggest-smallest value; value interval.
  11. Chemistry: Calculations by chemical reactions.
  12. Algebra: Fraction inequalities
  13. Algebra: Probability
  14. Physics: The development of transport
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  20. Chemistry: Hydrocarbon combustion. Calculations with chemical reaction equations.
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  23. Chemistry: Organic substance transformation.
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  33. Algebra: Arithmetic progression
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  35. Algebra: Equation with two unknowns (either 1 or 2 degree)
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