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Howe Warm Up #18 Name _________________________________________________Period___________ Worth 17 pts Monday Date: 01/20/2014 Important Announcements: Student Holiday Worth 17 pts Tuesday Date: 1) 01/21/2014 Important Announcements: Aluminum and hydrochloric acid react to form aluminum chloride and hydrogen gas. _______________________________________________________________ 2) Calcium hydroxide and phosphoric acid react to form calcium phosphate and water. Worth 17pts Wednesday Date: 01/22/2014 Important Announcements: 3) When lithium hydroxide pellets are added to a solution of sulfuric acid, lithium sulfate and water are formed. 4) If a copper coil is placed into a solution of silver nitrate, silver crystals form on the surface of the copper. Additionally, highly soluble copper (I) nitrate is generated. Thursday Date: 1) 01/23/2014 Important Announcements LiOH + HBr LiBr + H2O If you start with 10.0 grams MOLES of lithium hydroxide, how many grams MOLES of lithium bromide will be produced? 2) C2H4 + 3 O2 2 CO2 + 2 H2O If you start with 45 grams MOLES of ethylene (C2H4), how many grams MOLES of carbon dioxide will be produced? Friday: 01/24/2014 Worth 50 pts Turn in warmup and homework at the end of class after the quiz QUIZ DAY Show work, use units (when applicable) to get full credit Balance the following equations and indicate the type of reaction taking place: 1) Copper and sulfuric acid (H2SO4) react to form copper (II) sulfate and water and sulfur dioxide. Type:___________________ _______________________________________________________________ 2) Hydrogen gas and nitrogen monoxide react to form water and nitrogen gas. Type:___________________ 3) ____ Zn + ____ H2CO3 ______________________ 4) ____ Pb(OH)2 + ____ Hg2S ____________________ 5) Mg + 2 NaF MgF2 + 2 Na If you start with 5.5 grams MOLES of sodium fluoride, how many grams MOLES of magnesium fluoride will be produced? 6) 2 HCl + Na2SO4 2 NaCl + H2SO4 If you start with 20 grams MOLES of hydrochloric acid, how many grams MOLES of sulfuric acid will be produced? Worth Bonus +10 pts Bonus: Tell a parent or guardian one thing you learned in school this week. Have them briefly write about what you told them and sign it below. Word Equations Worksheet - Solutions Write the word equations for each of the following chemical reactions: 1) When dissolved beryllium chloride reacts with dissolved silver nitrate in water, aqueous beryllium nitrate and silver chloride powder are made. BeCl2(aq) + 2 AgNO3(aq) Be(NO3)2(aq) + 2 AgCl(s) 2) When isopropanol (C3H8O) burns in oxygen, carbon dioxide, water, and heat are produced. H = negative 2 C3H8O(l) + 9 O2(g) 6 CO2(g) + 8 H2O(g) 3) When dissolved sodium hydroxide reacts with sulfuric acid, aqueous sodium sulfate, water, and heat are formed. 2 NaOH(aq) + H2SO4(l) Na2SO4 + 2 H2O(l) 4) When fluorine gas is put into contact with calcium metal at high temperatures, calcium fluoride powder is created in an exothermic reaction. F2(g) + Ca(s) CaF2(s) 5) H = negative H = negative When sodium metal reacts with iron (II) chloride, iron metal and sodium chloride are formed. 2 Na(s) + FeCl2(s) 2 NaCl(s) + Fe(s) Types of Reactions Worksheet – Solutions Balance the following equations and indicate the type of reaction taking place: 1) 3 NaBr + 1 H3PO4 1 Na3PO4 + 3 HBr Type of reaction: double displacement 2) 3 Ca(OH)2 + 1 Al2(SO4)3 3 CaSO4 + 2 Al(OH)3 Type of reaction: double displacement 3) 3 Mg + 1 Fe2O3 2 Fe + 3 MgO Type of reaction: single displacement 4) 1 C2H4 + 3 O2 2 CO2 + 2 H2O Type of reaction: combustion 5) 2 PbSO4 2 PbSO3 + 1 O2 Type of reaction: decomposition 6) 2 NH3 + 3 I2 1 N2I6 + 3 H2 Type of reaction: double displacement 7) 1 H2O + 1 SO3 1 H2SO4 Type of reaction: decomposition 8) 1 H2SO4 + 2 NH4OH 2 H2O + 1 (NH4)2SO4 Type of reaction: acid-base