The answer is B. making sawdust.
Because, to make sawdust you have to shred wood and you can't reverse that. Therefore, making sawdust is irreversible.
A-
From coefficients in the equation, for each mole of propane combusted, three moles of carbon dioxide molecules are produced. Thus
The question implied that the temperature and pressure on both carbon dioxide and propane are those under room conditions- so these values are supposed to be interchangeable; thus by the ideal gas equation
From boyles law.
P1v1=P2v2
So,12.3×40=v×60
V= 12.3×40/60
8.2
Answer:
heat carbunate
Explanation:
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Answer:
HF hydrofluoric acid
Ca(OH)2 calcium hydroxide
CaF2 calcium fluoride
Explanation:
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In a neutralization reaction an acid reacts with a base forming a salt plus water.
2 HF + Ca(OH)2 --> CaF2 + 2 H2O
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