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____ [38]
3 years ago
13

A compound's properties are different than the properties of the elements that make it up.

Chemistry
1 answer:
yan [13]3 years ago
7 0
The answer is True because elements in a compound combine and become an entirely different substance with its own unique properties.
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The correct answer is a. This is because the pH of a solution is defined as -log10(concentration of H+ ions). An inverse logarithmic scale such as this means that a solution with a lower concentration of H+ ions will have a higher pH than one with a higher concentration. Therefore we know that the pH of the second sample will be higher than the first.

Since the logarithmic scale has the base 10, a change by 1 on the scale is a consequence of multiplication/division of the H+ concentration by a factor of 10. As the scale is inverse, this means that a decrease of concentration by factor 1000 is equivalent to increasing the pH by (1000/10) = 3.
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