Staying Strong with Schools: Testing an Elementary School-Based Intervention for Military-Connected Children

Bonnie Y Ohye1, Rafaella J Jakubovic2, Rebecca Zakarian2

  • 1Harvard Medical School, Massachusetts General Hospital.

Summary

The Staying Strong With Schools (SSWS) program reduced internalizing behaviors and increased social support for military-connected children (MCC). This school-based intervention shows promise for supporting children during parental deployment.

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Titration Calculations: Strong Acid - Strong Base02:28

Titration Calculations: Strong Acid - Strong Base

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A titration is carried out for 25.00 mL of 0.100 M HCl (strong acid) with 0.100 M of a strong base NaOH. The pH at different volumes of added base solution can be calculated as follows:
(a) Titrant volume = 0 mL. The solution pH is due to the acid ionization of HCl. Because this is a strong acid, the ionization is complete and the hydronium ion molarity is 0.100 M. The pH of the solution is then:
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Strong Acid and Base Solutions03:22

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Titration of a Strong Acid with a Strong Base01:23

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Titration Calculations: Weak Acid - Strong Base03:55

Titration Calculations: Weak Acid - Strong Base

Calculating pH for Titration Solutions: Weak Acid/Strong Base
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Titration of a Weak Base with a Strong Acid01:20

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The titration curve of a weak base like ammonia with a strong acid like hydrochloric acid is the mirror image of the titration curve of a weak acid with a strong base.
Using the ICE table and substituting the Kb value, we calculate the initial pH of 50 mL of 0.1 M ammonia to be 11.11. Addition of 25 mL of 0.1 M hydrochloric acid to this solution of ammonia results in a buffer with an equal concentration of ammonia and ammonium ions. The pH of this buffer can be calculated by substituting these...
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