Which of the following terms describes the use of common codes and data definitions for electronic information exchange across an organization?

Using the balanced chemical equation: 4Al + 3O2 —> 2Al2O3 Which reactant is the limiting reagent in a reaction of 19.0 g of Al and 19.0 g of O2?  2

Calculate the molecular mass of aspirin, C9H8O4.  

Useful Conversions Factors and Formulas Density D = mass/Volume Mass 1 lb = 16 oz = 0.4569237 kg = 453.9 g Length 1 in = 2.54 cm 1 ft = 12 in = 0.3048 m  1 mi = 1.609 km 1 km = 0.6215 mi 1 m = 0.1 dm = 0.01 cm = 0.001 mm  Volume 1 mL = 1 cm3 = 0.001 L Pressure 1 atm = 760 mmHg = 760 torr = 101.325 Pa Temperature oC = 5/9 x (oF – 32oF) oF = 9/5 x (oC)  + 32oF K = oC + 273.15 Mass Number (A) Mass number (A) = atomic number (Z) + Number of neutrons (no) Molarity Molarity (M) = moles of solute/ Liters of solution Dilution M1V1 = M2V2   Indicate the number of protons, neutrons, and electrons in .  

Which is the correct scientific notation for 0.0320 L?

Useful Conversions Factors and Formulas Density D = mass/Volume Mass 1 lb = 16 oz = 0.4569237 kg = 453.9 g Length 1 in = 2.54 cm 1 ft = 12 in = 0.3048 m  1 mi = 1.609 km 1 km = 0.6215 mi 1 m = 0.1 dm = 0.01 cm = 0.001 mm  Volume 1 mL = 1 cm3 = 0.001 L Pressure 1 atm = 760 mmHg = 760 torr = 101.325 Pa Temperature oC = 5/9 x (oF – 32oF) oF = 9/5 x (oC)  + 32oF K = oC + 273.15 Mass Number (A) Mass number (A) = =atomic number (Z) + Number of neutrons (no) Molarity Molarity (M) = moles of solute/ Liters of solution Dilution M1V1 = M2V2   Convert 1.75 lb to grams _________________  

Record retention mandates are set only by state business records laws.

  Determine the percentage composition of each of the compounds  KMnO4.  

  Useful Conversions Factors and Formulas Density D = mass/Volume Mass 1 lb = 16 oz = 0.4569237 kg = 453.9 g Length 1 in = 2.54 cm 1 ft = 12 in = 0.3048 m  1 mi = 1.609 km 1 km = 0.6215 mi 1 m = 0.1 dm = 0.01 cm = 0.001 mm  Volume 1 mL = 1 cm3 = 0.001 L Pressure 1 atm = 760 mmHg = 760 torr = 101.325 Pa Temperature oC = 5/9 x (oF – 32oF) oF = 9/5 x (oC)  + 32oF K = oC + 273.15 Mass Number (A) Mass number (A) = =atomic number (Z) + Number of neutrons (no) Molarity Molarity (M) = moles of solute/ Liters of solution Dilution M1V1 = M2V2 Calculate the volume of 50.0 g of sodium chloride with a density 2.16 g/cm3.  (1 cm3 = 1 mL)

3. (6pts) Consider the potential energy curve shown below for two particles. Which set of two particles can give rise to the curve shown? Select all that applies.  A proton and an electron Two neutral neon (Ne) atoms Two electrons Two protons Two neutrons Explain your reasoning.