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Determine the molarity of a solution if 6.0 moles of solute are dissolved in 4.0 liters of water.

Draw the electron dots for each of the following:               Ca                             I                                          N                               Ar  

Describe the structure of the water molecule.

Elements in the same column (group) of the periodic table exhibit similar chemical properties.

The OTR and COTA have a client with Parkinson’s disease.  They are are concerned because he is fearful of falling and has twice fallen in the home in the last 3 months.  They go to his home for an environmental evaluation.  To address fall risk, which of the following should they look for, or recommend if not currently present? (choose 3)

The following statement regarding alcohol-drug interactions is CORRECT:

List three unique properties of water.

draw the table on notebook paper and complete it before submitting. Isotope name nuclear symbol mass number atomic number protons neutrons electrons         15         18    

Complete the nuclear reactions below:     14                                            4               6  C   ———->                2 α     +  ____________________       14                                           0               6  C   ———->              -1 β     +  ____________________

  Balance the Following Equations and Classify as : a. Synthesis b. Decomposition c. Single replacement  d. Double replacement e. Combustion   CH4     +        O2     ——>          CO2       +     H2O        Cl2  +          LiI  ———>          LiCl  +      I2     H2  +           O2   ———->          H2O    Al(NO3)3  +         NaOH ——–>         Al(OH)3  +        NaNO3   HgO    ———>     Hg       +        O2