CHM 151 Assignment 1 - CHM 151 (GENERAL CHEMISTRY)...

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CHM 151 (GENERAL CHEMISTRY) ASSIGNMENT 1 (Due Date: 12/09/2008) Name: ID: 1. (a) Find the density of ethyl alcohol if 80 cm 3 weighs 63.6 g. (b) Find the volume in liters of 40 kg of carbon tetrachloride, whose density is 1.60 g/cm 3 . 2. Referring to the periodic table. (i) What are the sub atomic particles that make up the following elements: silicon-28, chlorine-37 and bromine-79. (ii) Identify the species A, B, C and D. Species Number of protons neutrons electrons A 1 0 2 B 1 1 0 C 9 10 10 D 2 2 2
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3. Name the following compounds. (i) Al(ClO 4 ) 3 (ii) ZnS (iii) AgSCN 4. Give the formulas for the following compounds. (i) mercurous phosphate (ii) silver oxalate (iii) ammonium sulfite 5. Find the percentage composition of (the percentage by weight of each element in) each of the following compounds. (i) Na 2 SO 4 (ii) (NH 4 ) 2 CO 3 6. Determine the number of benzene molecules in 25.0 mL of benzene, C 6 H 6 , whose density is 0.879 g/mL.
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7. Allicin is the compound responsible for the characteristic smell of garlic. An
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This note was uploaded on 06/21/2009 for the course CHEM 130 taught by Professor Kia during the Spring '09 term at Abraham Baldwin Agricultural College.

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CHM 151 Assignment 1 - CHM 151 (GENERAL CHEMISTRY)...

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