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ineedhelp368
16.10.2019 •
Chemistry
When can all the coefficients in a balanced equation represent volume ratios? when reactants and products are solids at stp when reactants and products are liquids at stp when reactants and products are gases at stp any time a reaction happens at stply.com/question/8039553?
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Ответ:
when reactants and products are gases at STP.
Justification:
1) STP stands for standard temperature (0°) and pressure (1 atm).
2) According to the kinetic molecular theory of the gases, and as per Avogadro's principle, equal volumes of gases, at the same temperature and pressure, have the same number of molecules.
3) Since the coefficients in a balanced chemical equation represent number of moles, when reactants and products are gases at the same temperature and pressure, the mole ratios are the same that the volume ratios, and then the coefficients of the chemical equation represent the volume ratios.
Ответ:
The term of snow fences that is made from trees and bushes is living fences (answer A)
Explanation
The living fence is made up trees or shrub. Pyracantha and holly are example of shrubs that are used to make living fence. They are evergreen shrubs that produce a beautiful berries in winter and white flowers in the spring.