Editing revision 25 of Answer To Mid-Year Exam Review Problems
Chemistry 2 Wiki
|
RecentChanges
|
Preferences
Editing old revision 25. Saving this page will replace the latest revision with this text.
1. 2,3,3,3,4,5,2,5,2,6<br> 2. 3.42E-4kg, 5.02E-2km, 5.002E2cm, 2.350E3g, 1.02E1 m<sup>3</sup>, 2E6 years<br> 3. 3,090,000,000g , 20,000cm, 0.555L, 0.0002443km, 1020mL, 48g/mL<br> <br> <b>Calculate the molar mass of each of the following:</b><br> 1. 46g C<sub>2</sub>H<sub>5</sub>O<sub>1</sub>H<sub>1</sub>/ 1mole C<sub>2</sub>H<sub>5</sub>O<sub>1</sub>H<sub>1</sub><br> <br> 2. 1116g Ca<sub>1</sub>Cl<sub>2</sub>/ 1mole Ca<sub>1</sub>Cl<sub>2</sub><br> <br> 3. 106g Na<sub>2</sub>C<sub>1</sub>O<sub>3</sub>/ 1mole Na<sub>2</sub>C<sub>1</sub>O<sub>3</sub><br> <br> 4. 52g C<sub>1</sub>H<sub>2</sub>F<sub>2</sub>/ 1mole C<sub>1</sub>H<sub>2</sub>F<sub>2</sub><br> <br> 5. 41g Li<sub>1</sub>(O<sub>1</sub>H<sub>1</sub>)<sub>2</sub>/ 1mole Li<sub>1</sub>(O<sub>1</sub>H<sub>1</sub>)<sub>2</sub><br> <br> 6. 331g Pb<sub>1</sub>(N<sub>1</sub>O<sub>3</sub>)<sub>2</sub>/ 1mole Pb<sub>1</sub>(N<sub>1</sub>O<sub>3</sub>)<sub>2</sub><br> <br> 7. 148g Na<sub>1</sub>Cl<sub>1</sub><br> <br> 8. 20.mole H<sub>2</sub>O<sub>1</sub><br> <br> 9. 2.759 mole C<sub>4</sub>H<sub>10</sub><br> <br> 10. 3.76E24 molecules H<sub>2</sub>O<sub>1</sub><br> <br> 11. 190 L He @ <nowiki>STP</nowiki><br> <br> <b>Give the correct formula for each of the following ionic compounds:</b><br> a. Pb<sub>1</sub>S<sub>1</sub><br> b. Cu<sub>1</sub>Cl<sub>2</sub><br> c. Ca<sub>1</sub>(O<sub>1</sub>H<sub>1</sub>)<sub>2</sub><br> d. Ca<sub>1</sub>O<sub>1</sub><br> e. Al<sub>1</sub>Cl<sub>3</sub><br> f. Cu<sub>1</sub>(N<sub>1</sub>O<sub>3</sub>)<sub>1</sub><br> g. Li<sub>2</sub>(C<sub>1</sub>O<sub>3</sub>)<sub>1</sub><br> h. K<sub>2</sub>S<sub>1</sub><br> i. Fe<sub>3</sub>P<sub>2</sub><br> j. Ag<sub>1</sub>(N<sub>1</sub>O<sub>3</sub>)<sub>1</sub><br> <br> <b>Give the correct name for each of the following ionic compounds</b><br> a. Calcium fluoride<br> b. Gallium hydroxide<br> c. Iron <nowiki>(III)</nowiki> chloride<br> d. Copper <nowiki>(II)</nowiki> bromide<br> e. Copper <nowiki>(I)</nowiki> oxide<br> f. Sodium sulfide<br> g. Barium sulfate<br> h. Iron <nowiki>(II)</nowiki>oxide<br> i. Lithium carbonate<br> j. Beryllium nitride<br> <b>Give the correct name for each of the following covalent compounds</b><br> <br> 1. Dinitrogen monoxide<br> 2. Sulfur trioxide<bR> 3. Oxygen Trifluoride<br> 4. Carbon dioxide<bR> 5. Diphosphorus pentaoxide<br> <bR> <b>Give the correct formula for each of the following covalent compounds</b><br> <br> 1. N<sub>2</sub>F<sub>6</sub><br> 2. C<sub>1</sub>O<sub>1</sub><br> 3. C<sub>3</sub>F<sub>8</sub><br> 4. S<sub>2</sub>P<sub>3</sub><br> 5. N<sub>1</sub>O<sub>2</sub><br> <b>Thermal Energy Problems</b><br> <br> 1a. 1.3E3 cals<br> b. exothermic, reaction (system) gave heat to the water<br> c. delta H is negative if the reaction is the system and delta H is positive if the system is the water.<br> 2. 58degC<bR> 3. 92degC<br> 4. 12grams, deltaH is positive<br> 5. 0.95g <br> <br> <b>Write out the complete electron configuration for each of the following elements.</b><br> 1. 1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup>4s<sup>2</sup>3d<sup>10</sup>4p<sup>6</sup>5s<sup>2</sup>4d<sup2,/sup><br>
View other revisions
Chemistry 2 Wiki
|
RecentChanges
|
Preferences