A. new ocean ridges and seafloor
Answer: the basic difference is Exergonic reactions release energy and an endergonic reactions absorb energy .
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Adding perchloric acid to water would cause it's conductivity to increase.
Answer:
1.196 M NaOH
Explanation:
Molarity = moles/Volume (L)
moles NaOH = mass NaOH/MM NaOH = 12/40.01 = 0.299 moles NaOH
Volume solution = 250 mL = 0.250L
M = 0.299/0.250=1.196 M NaOH