1. Change in color
2. Formation of bubbles
3. Formation of a precipitate
4. Begins to make an odor
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The answer to the question is option A.
When fossil fuels mined from the ground are burned with fire and sometimes crude oil, it releases toxic fumes which cause global warming. The same toxic fumes that come from these fossil fuels come from plastic.
The answer is option A.
the balanced equation for the reaction is as follows
2 Al + 3 Cl₂ ---> 2 AlCl₃
molar ratio of Cl₂ to AlCl₃ is 3:2
mass of Cl₂ reacted is - 11.5 g
number of moles of Cl₂ reacted - 11.5 g / 71 g/mol = 0.162 mol
when 3 mol of Cl₂ reacts - 2 mol of AlCl₃ is formed
therefore when 0.162 mol of Cl₂ reacts - 2/3 x 0.162 mol = 0.108 mol of AlCl₃ is formed
the molar mass of AlCl₃ is 133 g/mol
mass of AlCl₃ formed is - 0.108 mol x 133 g/mol = 14.4 g
mass of AlCl₃ formed is 14.4 g
Answer:
Answer: 0.1784 moles of helium gas are contained in a 4.0-L flask at STP.
Explanation:
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