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PIT_PIT [208]
3 years ago
5

Which of the following factors affects the amount of heat absorbed by a substance? (5 points) a. Shape of the substance b. Melti

ng point of the substance Selected: c. Boiling point of the substanceThis answer is incorrect. d. Specific heat capacity of the substance
Chemistry
2 answers:
Ainat [17]3 years ago
8 0

Answer:

d. Specific heat capacity of the substance

svet-max [94.6K]3 years ago
7 0

Answer:

d

Explanation:

took the test

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3 0
2 years ago
The pH of a basic solution is 9.77. What is [OH⁻]?
uysha [10]

The  [OH⁻] of the solution is 5.37×10⁵ M.

<h3 /><h3>What is pOH?</h3>

This is the negative logarithm to base 10 of hydroxy ion [OH⁻] concentration.

To calculate the hydroxy ion [OH⁻] concentration we use the formula below.

Note:

  • pH+pOH = 14
  • pOH = 14-pH
  • pOH = 14-9.77
  • pOH = 4.27

Formula:

  • [OH⁻] = 1/10^{pOH}................. Equation 1

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  • pOH = 4.27

Substitute the value into equation 1

  • [OH⁻] = 1/10^{4.27}
  • [OH⁻]  = 5.37×10⁵

Hence, The [OH⁻] of the solution is 5.37×10⁵ M.

Learn more about hydroxy ion concentration here: brainly.com/question/17090407

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