If a Small Amount of a Strong Base Is Added

question 38

Multiple Choice

If a small amount of a strong base is added to buffer made up of a weak acid,HA,and the sodium salt of its conjugate base,NaA,the pH of the buffer solution does not change appreciably because

• A)the K_a of HA is changed.
• B)No reaction occurs.
• C)the strong base reacts with A^- to give HA,which is a weak acid.
• D)the strong base reacts with HA to give AOH and H⁺.
• E)the strong base reacts with HA to give A^- which is a weak base.

Recognize the importance of sensory experiences and states of arousal for newborns.

Identify strategies and interventions to support the development of low-birth-weight and preterm infants.

Understand the basic components of a categorical proposition.

Identify the subject and predicate within various categorical propositions.

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Definitions:

Discount Rates

Interest rates used to calculate the present value of future cash flows.

Cash Constraints

Financial limitations that restrict the ability to purchase or invest due to the unavailability of liquid assets or cash.

Opportunity Costs

The cost of foregone alternatives when one option is chosen over another, representing the benefits that could have been received by taking the alternate action.

Expected NPV

Net Present Value expected from an investment, taking into account the probability of various outcomes.