Consider the given examples listed here, find out which substance from the list will turn phenolphthalein pink? (a) vinegar ( b)
water (c) lemon juice (d) soap.
1 answer:
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The final temperature = 36 °C
<h3>Further explanation</h3>The balanced combustion reaction for C₆H₆
2C₆H₆(l)+15O₂(g)⇒ 12CO₂(g)+6H₂O(l) +6542 kJ
MW C₆H₆ : 78.11 g/mol
mol C₆H₆ :
Heat released for 2 mol C₆H₆ =6542 kJ, so for 1 mol
Heat transferred to water :
Q=m.c.ΔT
Answer:
The amount of energy transferred to the coin is 28.5 joules.
Explanation:
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