Editing Homework For Retake Test For 1sr Section Of Mole Concept And Compounds
ChemistryWiki
|
RecentChanges
|
Preferences
<center><b>Homework for Retake Test for 1st Section of Mole Concept and Compounds</b></center><br> <br> Answer all the question either in complete sentences and/or showing all work (for math questions). All work on separate sheet.<br> <br> 1. Determine the bonding between Cs and Br and C and N using delta <nowiki>EN</nowiki> and showing all work.<br> 2. Write the Lewis Do Structure (<nowiki>LDS</nowiki>)for <nowiki>NO</nowiki><sub>3</sub><sup>1-</sup>, <nowiki>CS</nowiki><sub>2</sub>,<nowiki>SCl</nowiki><sub>6</sub>, <nowiki>CH</nowiki><sub>4</sub>, <nowiki>PBr</nowiki><sub>5</sub>, <nowiki>BeH</nowiki><sub>2</sub>.<br> 3. What do the subscripts mean for ionic and molecular cpds.<br> 4. Explain the Objective #1 for this section (see objective handout).<br> 5. Calculate the percent composition of S<sub>2</sub>Cl<sub>3</sub>?<br> 6. Write the correct chemical formula or chemical name for the following: N<sub>7</sub>F<sub>2</sub> , Tetrasulfur monophosphide, P<sub>6</sub>I<sub>4</sub>, and octachloride heptafluoride.<br> 7. How many grams of nitrogen gas in 4.25 moles of nitrogen gas?<br> 8. How many atoms of C in 3.25moles of C<sub>2</sub>H<sub>6</sub>?<br> 9. How many liter of <nowiki>NH</nowiki><sub>3</sub> gas at <nowiki>STP</nowiki> if I have 34.5 moles of this gas?<br> 10. How many moles in 4.56E24 molecules of C<sub>1</sub>O<sub>2</sub>?<br>
View other revisions
ChemistryWiki
|
RecentChanges
|
Preferences