2. What Is the Molar Mass of Propanol?

Leader: Sara Practice Test 1 Course: Chem 177D Supplemental Instruction Instructor Bonaccorsi Iowa State University : Date: 9/23/13 1. You weigh a container and its mass is 64.3 grams. It is then filled with water and its new mass is 114.9 grams. What is the volume of the container? a. 51 mL 3 b. 50.6 cm 3 c. 50.69 cm d. 50 mL 2. What is the molar mass of propanol? a. 44 g b. 46 amu c. 60 g d. 46 g e. 60 amu 3. What is the sum of all the coefficients after the equation is balanced? ___H3PO4 + ___Mg(OH)2  ___Mg3(PO4)2 + ___H2O a. 11 b. 12 c. 13 d. 14 4. Which of the following acid’s name and formula is NOT correctly paired? a. HCl Hydrochloric acid b. H2SO3 Persulfuric acid c. H2CO3 Carbonic Acid d. HNO2 Nitrous Acid e. H3PO4 Phosphoric acid 5. What is the chemical formula for the ionic compound form from the stable ion of Barium and Arsenic? a. BaAs3 b. Ba2As3 c. Ba3As2 d. BaAs2 e. BaAs 6. Wine is a ______a. Pure substance b. Homogeneous mixture c. Heterogeneous mixture d. Compound 7. Which of the following are chemical properties? I. flammable II. reacts with O2 III. melting point at 400 K a. I only b. I and II c. II and III d. I and III e. All of them are 8. What is NOT a diatomic element? a. Nitrogen b. Chlorine c. Flourine 1060 Hixson-Lied Student Success Center v 515-294-6624 v [email protected] v http://www.si.iastate.edu d. Carbon e. Hydrogen 9. Name a metalloid

10. Name all the alkaline earth metals

11. There are 2 isotopes of Sodium 22Na and 23Na. Their percent abundance is 1.02% and 98.98 % respectively, what is its atomic mass (ignore sig figs)?

35 37 a. If you combine Na with Cl (which also has 2 isotopes Cl and Cl) how many different combinations of NaCl would show up on a mass spectroscopy chart (show all possibilities)

12. You run a 5.0k race in 32 min, what speed were you going in miles/hour (1600 meters in a mile)

13. If 50. g of sulfur dioxide (mm=64.07) reacts with 25 grams of water (mm=18.02) to for sulfurous acid (mm=82.07) a. What is the chemical equation?

b. What is the limiting reagent?

c. How many grams of sulfurous acid is produced?

3 d. If the volume of sulfurous acid is 40 cm what is the density?

e. In lab you produce 35.7 g sulfurous acid. What is the percent yield?

14. Fill in the table: symbol 19F1- Cr Protons 16 Neutrons 16 28 Electrons 16 Charge 2+

15. Fill in the blanks in the table: Compound name Compound formula Ionic, covalent,ion or acid? Manganese (III) oxide diphosphorus pentoxide HNO Acetate Ion

H2S (aq) CN-