Reference Tables Scavenger Hunt



Reference Tables Scavenger Hunt ANSWERSDirections: Using the Reference Tables for Chemistry, locate the following information.Is C5H12 saturated or unsaturatedRef. table:Qb. Answer: saturated Is the formation of water, from its elements endothermic or exothermic?Ref. table: I b. Answer: exothermicWhich salt is soluble in water NaPO4 or NiCrO4 Ref. table: Fb. Answer: NaPO4What is the definition of STP, and give the values?Ref. table: A _b. Answer: standard Temp (273K) and Pressure (1atm)Name C2H3O-2 or CH3COO-Ref. table: Eb. Answer: acetateWhat is the maximum amount of sulfur dioxide that will dissolve in 100g of water at 40 degrees Celsius, in grams?Ref. table: Gb. Answer: 5gWhat is the freezing point of fluorine? (note: students must recall that FP = MP)Ref. table: Sb. Answer: 53 KWhat is the Hf of water? Hv? c (specific heat)?Ref. table: Bb. Answer: Hf = 334 J/g HV = 2260 j/jc = 4.18 j/gKWhat is the vapor pressure of water at 750C?Ref. table: Hb. Answer 38 kPaHow much heat does it take to convert 20g of water to steam at 1000C?Ref. table: T and Bb. Answer: Q=20(2260) = 45200 JWhat is the prefix for 1/1000 of a meter?Ref. table: cb. Answer: milliWhat is the molecular formula of ammonia?Ref. table: L b. Answer: NH3What is the formula for the permanganate ion?Ref. table: Eb. Answer: MnO4-1Identify the class of organic compounds this molecule belongs too CH3COCH2CH3Ref. table: Rb. Answer: ketoneIdentify the functional group for this hydrocarbon derivative CH3COCH2CH3Ref. table: Rb. Answer: C=O, carbonylWrite the symbol for a positron?Ref. table: Ob. Answer:0+1e or 0+1?What is the half-life of Pu-239?Ref. table: Nb. Answer: 2.410 x 104 yearsName this following: H2CO3Ref. table: Kb. Answer: Carbonic AcidWhat is the atomic mass of silver?Ref. table: Periodic Tableb. Answer:107.868How much heat is released when LiBr dissolves in water?Ref. table:Ib. Answer: 48.83 kJ of heat releasedWhat is the electronegativity of chlorine?Ref. table: Sb. Answer:3.2What is the decay mode of Au-198?Ref. table:Nb. Answer: betaWhat is the ionization energy of Rb?Ref. table: Sb. Answer: 403 kj/molWhich atom is more likely to lose electrons, Al or Zn?Ref. table: Sor Jb. Answer: AlIs the C-F bond nonpolar covalent, polar covalent or ionic?Ref. table: Sb. Answer: 2.6-4.0 = 1.4 = polar covalentWrite the electron configuration of potassium.Ref. table: Periodic Tableb. Answer:2-8-8-1At what temperature will water boil, when the atmospheric pressure is 55 kPa?Ref. table: Hb. Answer: 87°CWhat is the trend of atomic radii across period 3?Ref. table: S or Periodic Tableb. Answer: gets smallerWill Mn produce colored ions in solution? Why or why not?Ref. table: Periodic Tableb. Answer: yes, transition metalWill Al react with HCl to produce hydrogen gas?Ref. table: J b. Answer: Yes What is the density of tin?Ref. table: Sb. Answer: 7.287 g/cm3Give the parts per million of solute for a solution containing 0.25g of sodium chloride in 200g of water.Ref. table: Tb. Answer: 0.25/200.25 x 106 = 1248.4ppmIf the accepted value for the mass of an object is 10.3g and a student found that the mass was 10.1g, what is the student’s percent error?Ref. table: Tb. Answer:1.94%If a peanut is burned in a calorimeter containing 50g of water, and the water temperature changes from 450C to 570C, how many joules of energy were released by the peanut?Ref. table:Tb. Answer: Q=mc?T = 50(4.18)(12) =2508 JWhat is the approximate percent composition of Na in NaCl? (FM of NaCl = 58g)Ref. table: T and periodic tableb. Answer: 23/58 x 100 = 40%Convert 43°C to KelvinRef. Table: T b. Answer: 316KA sample of helium gas has a volume of 900. milliliters and a pressure of 2.50 atm at 298 K. What is the new pressure when the temperature is changed to 336 K and the volume is decreased to 450. milliliters?Ref. Table: Tb. Answer: (900)(2.5)/298 = (450)(P2)/(336) = 5.64 atmHow many carbons make up heptane?Ref. Table: Pb. Answer: 7What color will orange turn in a basic solution?Ref. Table: Mb. Answer: yellowWhat is SI unit for energy?Ref. Table: Db. Answer: joule (J)What is the concentration of NaOH if 14.0ml require 28.0 ml of 2.0 M HCl to reach the end point?Ref. table: Tb. Answer:4 MWhat is the concentration of NaOH made by dissolving 20g of NaOH in enough water to make 0.500 L of solution? (FM of NaOH = 40g)Ref. Table: Tb. 1M ................
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