Jeopardy MATTER AND MEASUREMENT REVIEW Matter and Measurement Review Phases E,C,M Sig Figs Math Skills Measurements $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 Phases: $100 • Particles in this phase have very weak intermolecular forces and hence are spaced far apart Phases: $200 • Particles in this phase are highly organized Phases: $300 • Samples that are in the gas phase at STP have _____________ melting points – High or Low???? Phases: $400 • The boiling point of water is 100oC. Is this a physical or chemical property? Phases: $500 • Sample A has a boiling point of 55oC, Sample B has a boiling point of 85oC. Compare their intermolecular forces Elements, Compounds, and Mixtures: $100 • This type of matter cannot be decomposed Elements, Compounds, and Mixtures: $200 • A sample is classified as heterogeneous, therefore it must be a(n) _____________ – Element/Compound/Mixture???? Elements, Compounds, and Mixtures: $300 • What type(s) of matter is(are) classified as a substance Elements, Compounds, and Mixtures: $400 • Give an example of a – Monatomic element – Diatomic element Elements, Compounds, and Mixtures: $500 • Silver Chloride (an insoluble material) is added to a beaker of water and a precipitate is formed. Classify the resulting solution as – Homogeneous or Heterogeneous – Element, Compound, or Mixture Significant Figures: $100 • How many significant figures are in the following number 1080 cm Significant Figures: $200 • How many significant figures are in the following number 0.00250 g Significant Figures: $300 • The volume of a 25.0g sample is 55mL. What is the sample’s density? Significant Figures: $400 • Round the following number to two (2) significant figures 84509.26 Significant Figures: $500 • Round the following number to two (2) significant figures 2000000 Math Skills: $100 • Express the following number in scientific notation 87,500 Math Skills: $200 • Express the following number in scientific notation 0.000043 Math Skills: $300 + 102.18 cm 75.3 cm Math Skills: $400 (3.52 x 1012)(6.8x1015) = Math Skills: $500 • 8.52 x 1015 + 7.51 x 1013 = Measurements: $100 •Convert the following measurement 10,000g = ____________ kg Measurements: $200 • Convert the following measurement 25L = ____________ kL Measurements: $300 • 35oC is what temperature in Kelvin? Measurements: $400 • Convert the following measurement 89dL = __________ µL • Measurements: $500 • What is the value of absolute zero, in degrees Celsius? • What theoretically occurs at absolute zero? Answer Phases: $100 • Gas Phase Answer Phases: $200 • Solid Answer Phases: $300 • Low Answer Phases: $400 • Physical Answer Phases: $500 • Sample A has weaker intermolecular forces than Sample B Answer E/C/M: $100 • Elements Answer E/C/M: $200 • Mixture Answer E/C/M: $300 • Elements and Compounds Answer E/C/M: $400 • Fe, Al, C, …. • H2, F2, Cl2, I2, O2, N2, … Answer E/C/M: $500 • Heterogeneous Mixture Answer Sig Figs: $100 • Three – 1080 Answer Sig Figs: $200 • Three – 0.00250 Answer Sig Figs: $300 • 0.45g/mL Answer Sig Figs: $400 • 85,000 (or 8.5 x 104) Answer Sig Figs: $500 • 2.0 x 106 Answer Math Skills: $100 • 8.75 x 104 Answer Math Skills: $200 • 4.3 x 10-5 Answer Math Skills: $300 • 177.5 cm The answer is 177.48, which rounds to 177.5 (one decimal) Answer Math Skills: $400 • 2.4 x 1028 Answer Math Skills: $500 • 8.60 x 1015 – The answer is 8.5951 x 1015, which rounds to 8.60 x 1015 (two decimals) Answer Measurements: $100 • 10 kg Answer Measurements: $200 • 0.025 L Answer Measurements: $300 • 308K – 35 + 273 = 308 Answer Measurements: $400 • 8,900,000 – or 8.9 x 106 Answer Measurements: $500 • -273 oC • Theoretically, all movement stops Final Jeopardy • A student measures the density of copper to be 8.124 g/cm3. What is the percent error?