Answers Physical Science 10 Chemistry Exam Review #2

1. Write the names of the following compounds:a) CO 2 carbon dioxideb) N 2 O 5 dinitrogen pentaoxidec) PF 5 phosphorous pentafluorideAnswersPhysical Science 10Chemistry Exam Review #2d) NH 3 ammonia or nitrogen trihydridee) CCl 4 carbon tetrachloride2. Write the formulas for the following compounds:a) dinitrogen monoxide N 2 Ob) diphosphorous hexabromide P 2 Br 6c) sulfur dioxide SO 2d) silicon tetrahydride SiH 4e) nitrogen diselenide NSe 23. Balance the following equationsa) 8 Br 2 + 8 K 2 S → 16 KBr + S 8b) 2 C 8 H 18 + 25 O 2 → 16 CO 2 + 18 H 2 Oc) 2 NaCl → 2 Na + Cl 2d) Na 2 CO 3 + CaCl 2 → CaCO 3 + 2 NaCle) 2 Fe 2 O 3 → 4 Fe + 3 O 2f) 2 Al + 6 HCl → 3 H 2 + 2 AlCl 3g) Au + HNO 3 + 3 HCl → AuCl 3 + NO + 2 H 2 O

4. Write the names of the following compounds:a) LiCl lithium chlorideb) Mg 3 P 2 magnesium phosphidec) Ba(NO 3 ) barium nitrated) K 3 PO 4 potassium phosphatee) CsOH cesium hydroxidef) Ca 3 (PO 4 ) 2 calcium phosphateg) FeO iron (II) oxideh) PbO 2 lead (IV) oxide5. Write the formulas for the following compounds:a) barium hydroxide Ba(OH) 2b) iron (II) fluoride FeF 2c) calcium sulfide Ca 2 Sd) copper (I) sulfate Cu 2 SO 4e) cobalt (III) iodide CoI 3f) aluminum oxide Al 2 O 3g) sodium carbonate Na 2 CO 3h) iron (III) nitrate Fe(NO 3)3