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This philosopher argues that all alleged knowledge of causal relationships comes from observation of constant conjunctions between events.

A client is prescribed regular insulin 5 units subcutaneous injection now. Which syringe should the nurse use for this dose if all are readily available?

Which of the following values of the per capita growth rate ( r ) will reduce the number of individuals in a population.

A client contemplating cataract surgery asks if there are any risk factors. What is the nurse’s best response?

A client who has an unsteady gait and has HIV-associated dementia tells the nurse, “I have burning pains all through my legs.” Which intervention would best promote safety for the patient?

QUIZ PROBLEM #6 Here is a molecular equation: 2 Al (s)  +  3 NiBr2 (aq)   –>   3 Ni (s)  +  2 AlBr3 (aq) Instructions: On your “work” page, write the two equations described here.  Label them 6A or 6B. A.  Write the balanced total ionic equation for the reaction shown above. B.  Write the balanced net ionic equation for the reaction shown above. Type the answers to these questions in the textbox below.  Label them C or D. C.  What is oxidized in this reaction?  How can you tell?  Be specific. D.  What is reduced in this reaction?  How can you tell?  Be specific.

QUIZ PROBLEM #4 Instructions: Choose the ONE best answer to the question. There is no need to write anything on your “work” pages.   Question: Some HNO2 is added to a beaker of water and it dissolves.  This compound is a weak electrolyte. Which one of the following diagrams best represents this mixture at the atomic level?  Note:  “W” represents a water molecule.

QUIZ PROBLEM #5 Instructions: On your “work” page, write molecular, total ionic, and net ionic equations for the aqueous reaction between these two compounds: NaCN  and  Al(ClO3)3 Label which problem it is (#5). Clearly label your final answers for all three equations, which should all be balanced. Type an X in the textbox here when you are finished so Canvas will mark the question as answered.

QUIZ PROBLEM #8 Instructions:  Type your answer to the following question in the textbox below. Show all work on your “work” pages.  Label which problem it is (#8).   Question: Use the data provided here to calculate the enthalpy change for this reaction: 4 KO2 (s)  +  2 H2O (l)   –>   4 KOH (s)  +  3 O2 (g)    Standard Enthalpies of Formation (kJ/mol) H2O (g) -241.8   OH- (aq) -230.0 H2O (l) -285.8   KOH (s) -424.7 O2 (g) 0.0   K (s) 0.0 O3 (g) +142.7   KO2 (s) -284.9

What is the minimum grade you need to get on a quiz to get credit for it?