# Final exam review

 When the pressure increases in a gas the volume will______
 Decrease by Boyle’s Law
 Find the new volume when a 2.5L sample at 1.2atm is placed at 0.80atm.
 2.5 x 1.2 / 0.8 = 3.75L
 Whose law relates volume to temperature? Write the formula and state the relationship.
 Charles V/T = k Direct relationship
 identify the acid/conjugate base pair.a. HF + H2O -F- + H3O+
 Acid= HF Conjugate base= F-
 Write the conjugate acida. HSO4 –
 H2SO4
 2.) If pH = 8.2, what is your pOH?
 14-8.2 = 5.8
 4.) If the concentration of NaOH is 2.33 x 10-2 M, a. What is the pOH?
 1.63
 4.) If the concentration of NaOH is 2.33 x 10-2 M,What is the pH?Is the solution acidic or basic?
 12.37 basic
 1. Name the ion that represents an Arrhenius acid.2. Name the ion that represents an Arrhenius base.
 1. H+2. OH-
 3. Name one property of acids.4. Name one property of bases.
 3. sour, low pH, corrosive4. bitter, slippery, high pH
 What are the products in a neutralization reaction?
 Water and a salt
 If the concentration of H+ ions increases, what happens?
 The pH will go lower
 Define a limiting reactant.
 The reactant that is all used up and determines how much product is formed
 The boiling point for water is______
 100 degrees celcius or 373K
 What is the molarity of a solution with 4.5 mol in 3.0L?
 4.5/3 = 1.5M
 What is the molarity of a NaCl solution that has 58.0 g of NaCl in 5.0L.
 Convert grams to moles then divide by liters.0.2M
 What is STP?
 Standard temperature and pressure of 0 degree celcius and 1 atm of pressure
 Use solubility rules to determine if the following are soluble in water.A. BaSO4 B. LiCl C. Mg(OH)2 D. Cu(NO3)2
 A.No B.yes C.no D. yes
 Predict whether a solid forms from this reaction. BaCl2 + Na2SO4
 Yes BaSO4
 What are spectator ions?
 Ions that do not participate in the reaction. These are not included in the net ionic equation.
 Define a strong acid.
 A substance that when placed in water will dissociate completely to give up H+ ions that will lower the pH
 How do you identify the substance being oxidized?
 It is the one that has an increase in its oxidation number.