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2. Consider the following chemical equations. Predict if the following solutions would conduct electricity weakly, strongly...
Complete the following chemical equations: (see Section 4.3 for examples) ote: Consider the solutes and predict...
Complete the following chemical equations: (see Section 4.3 for examples) ote: Consider the solutes and predict whether they do not dissolve, dissolve, or dissolve and dissociate.) If any bstance does not dissolve, simply write "no reaction." NaCl(s) + H2O → NaOH + HCl O2(g) + H2O H₂O2 CaCO3 (s) + H20 → LA COH)₂ + CO2 HF (g) + H2O HOF
6 Which of the following chemical equations is an example of an acid-base reaction? ed Select...
6 Which of the following chemical equations is an example of an acid-base reaction? ed Select one: a. 2 HCl (aq) +Po(NO)2 (aq) PbC2 (s)+2 HNOs (aq) b. HF (aq) NH3 (ag) NH&F (aq) c. 2 HCl (aq) + Zn (s) → H2 (g) + ZnCl2 (aq) d. Ba(OH)2 (aa) + K2S04 (aq) → Baso, (s) + 2 KOH (aq) e. 3 NaOH (aq) + AIClg (aa)-Al(OH)3 (s) + 3 NaCl (aq) out of ag ion
7. Balance the following precipitation reactions; write the total ionic and net ionic equations. CuCl2(aq) +...
7. Balance the following precipitation reactions; write the total ionic and net ionic equations. CuCl2(aq) + K,CO3(aq) + CuCO3(s) + KCl(aq) total ionic: net ionic: (b) CuCl(aq) + Na2S(aq) CuS(s) + NaCl(aq) total ionic: net ionic: (c) CuCl(aq) + NH OH(aq) + Cu(OH)2(s) + NH4Cl(aq) total ionic: net ionic: 8. (optional) Write a balanced chemical equation for the addition of aqueous calcium chloride and lithium nitrate solutions. Show the total ionic and net ionic equations.
Balancing Equations Balance the following chemical equations. Sicla(l)+ SiO (s)HCl(aq) 2. As 3 NaOH NaOH H2...
Balancing Equations Balance the following chemical equations. Sicla(l)+ SiO (s)HCl(aq) 2. As 3 NaOH NaOH H2 3. Ha Au + н,s но-> voC+ H20 5. -Hg(OH)2 + H3PO4 H20 SiO2 + HF→ SiF4 + -ho 7. 2 Zn Ha → ZnClz + H2 8. HCIO4 02(g)HO HNOs(aq) NH4NO3 ut Chemistry http://chemistry.about.com Balancing Equations Balance the following chemical equations но 2. cr→ Naa 3.4 A1 +302 -Al2O3 NH3 5. CO(g) + HO 6. FeO3(s) +-- CO(g) → Fel)+ CO2(9) 7. HSO_...
Write chemical equations for the following reactions. Classify each reaction into as many categories as possible:...
Write chemical equations for the following reactions. Classify each reaction into as many categories as possible: 15) Water and dinitrogen pentoxide gas react to produce aqueous hydrogen nitrate. Write chemical equations for the following decomposition reactions. 18) Aluminum oxide (s) decomposes when electricity passes through it. Predict whether the following single-replacement reactions will occur. If a reaction occurs, write a balanced equation for the reaction. 21) K(s)+ZnCl_2(aq)->, 24)Al(s)+Pb(NO_3)_2(aq)-> (symbol _ represent a subnumber). Write the balanced chemical equations for the...
+ Question Details Which of the following chemical equations is NOT balanced? O O O 2...
+ Question Details Which of the following chemical equations is NOT balanced? O O O 2 NaOH(aq) + H2SO4(aq) → Na2SO4(aq) + 2 H2O(/) 3 H2SO4(aq) + 2 Al(OH)3(s) → 3 H2O() + Al2(SO4)3(aq) H3PO4(aq) + Al(OH)3(s) → 3 H2O(/) + AlPO4(s) 2 C6H1404(s) + 15 O2(g) → 14 H2O(g) + 12 CO2(g) + Question Details Which elements are gases at room temperature? Helium Chlorine Mercury Neon Aluminum Calcium Oxygen Tin
Explain why some electrolyte solutions are strongly conducting, whereas others are weakly conducting. 4.2. Def fin...
Explain why some electrolyte solutions are strongly conducting, whereas others are weakly conducting. 4.2. Def fine the terms strong electrolyte and weak electrolyte. Give an example of each 4.3. Ex plain the terms soluble and insoluble. Use the solubility rules to write the formula of an insoluble ionic compound. 4.4. What are the advantages and disadvantages of using a molecular equation to represent an i reaction? 4.5. What is a spectator ion? IlIlustrate with a complete ionic reaction 4.6. What...
question 7 8 9 10 11 12 (7) Use HSAB theory to predict the following reactions...
question 7 8 9 10 11 12
(7) Use HSAB theory to predict the following reactions will go or not go (a) CH3-CH3 + H2O → CH,OH+CH (AH = 12 kcal/mol) (b) CH3COCH3 + H2O → CH3COOH + CH, (AH--13 kcal/mol ) (6%) (8) Predict the order of solubility: (9%) (a) MgSO4, CaSO4, SISOs, and Baso. (c) AgF, AgCl, AgBr, and Ag! (b) PbCI, PbBry, and Pbi! (9) List the following acids in order of acid strength in aqueous solution:...
balance each of the following equations Fall 209 CHM 105.004 Exam 2 Answer all the question in order in the blue b...
balance each of the following equations
Fall 209 CHM 105.004 Exam 2 Answer all the question in order in the blue book. Plesse leave at least two lines between question and show your calculations for full credit. N-6.023 x 10” particles per mol: R 0.08.205 L-atm/(mol-K) b) Al2(PO4) 3 e) CuSO4-5 H2O 1. Calculate the molar masses of: a) (NH4)2SO4 2. Calculate: a) the number of atoms of calcium in a 10.50 g sample of the metal b) the mass...
Predict the products of the following reactions and balance the chemical equations. 1. Synthesis Reactions a)...
Predict the products of the following reactions and balance the chemical equations. 1. Synthesis Reactions a) 2Na(s) + Cl2(g) → 2NaCl (s) b) 3Mg(s) + N2(g) → Mg3N2 (8) 2. Decomposition Reactions a) 2HgO(s) → 2Hg (s)+ O2(g) b)Li2O(s)2Li (g)+ 0-2 (g) 3. Single Displacement Reactions a) Al(s) + Pb(NO3)2 (aq) → Al(NO3)2 + Pb b) Ca(s) + HNO3(aq) → 4. Double Displacement Reactions Remember to include state symbols to show if a precipitate forms. a) CaCl2(aq) +_ Li2SO4(aq) →...
Complete the following chemical equations: (see Section 4.3 for examples) ote: Consider the solutes and predict whether they do not dissolve, dissolve, or dissolve and dissociate.) If any bstance does not dissolve, simply write "no reaction." NaCl(s) + H2O → NaOH + HCl O2(g) + H2O H₂O2 CaCO3 (s) + H20 → LA COH)₂ + CO2 HF (g) + H2O HOF
6 Which of the following chemical equations is an example of an acid-base reaction? ed Select one: a. 2 HCl (aq) +Po(NO)2 (aq) PbC2 (s)+2 HNOs (aq) b. HF (aq) NH3 (ag) NH&F (aq) c. 2 HCl (aq) + Zn (s) → H2 (g) + ZnCl2 (aq) d. Ba(OH)2 (aa) + K2S04 (aq) → Baso, (s) + 2 KOH (aq) e. 3 NaOH (aq) + AIClg (aa)-Al(OH)3 (s) + 3 NaCl (aq) out of ag ion
7. Balance the following precipitation reactions; write the total ionic and net ionic equations. CuCl2(aq) + K,CO3(aq) + CuCO3(s) + KCl(aq) total ionic: net ionic: (b) CuCl(aq) + Na2S(aq) CuS(s) + NaCl(aq) total ionic: net ionic: (c) CuCl(aq) + NH OH(aq) + Cu(OH)2(s) + NH4Cl(aq) total ionic: net ionic: 8. (optional) Write a balanced chemical equation for the addition of aqueous calcium chloride and lithium nitrate solutions. Show the total ionic and net ionic equations.
Balancing Equations Balance the following chemical equations. Sicla(l)+ SiO (s)HCl(aq) 2. As 3 NaOH NaOH H2 3. Ha Au + н,s но-> voC+ H20 5. -Hg(OH)2 + H3PO4 H20 SiO2 + HF→ SiF4 + -ho 7. 2 Zn Ha → ZnClz + H2 8. HCIO4 02(g)HO HNOs(aq) NH4NO3 ut Chemistry http://chemistry.about.com Balancing Equations Balance the following chemical equations но 2. cr→ Naa 3.4 A1 +302 -Al2O3 NH3 5. CO(g) + HO 6. FeO3(s) +-- CO(g) → Fel)+ CO2(9) 7. HSO_...
+ Question Details Which of the following chemical equations is NOT balanced? O O O 2 NaOH(aq) + H2SO4(aq) → Na2SO4(aq) + 2 H2O(/) 3 H2SO4(aq) + 2 Al(OH)3(s) → 3 H2O() + Al2(SO4)3(aq) H3PO4(aq) + Al(OH)3(s) → 3 H2O(/) + AlPO4(s) 2 C6H1404(s) + 15 O2(g) → 14 H2O(g) + 12 CO2(g) + Question Details Which elements are gases at room temperature? Helium Chlorine Mercury Neon Aluminum Calcium Oxygen Tin
Explain why some electrolyte solutions are strongly conducting, whereas others are weakly conducting. 4.2. Def fine the terms strong electrolyte and weak electrolyte. Give an example of each 4.3. Ex plain the terms soluble and insoluble. Use the solubility rules to write the formula of an insoluble ionic compound. 4.4. What are the advantages and disadvantages of using a molecular equation to represent an i reaction? 4.5. What is a spectator ion? IlIlustrate with a complete ionic reaction 4.6. What...
question 7 8 9 10 11 12
(7) Use HSAB theory to predict the following reactions will go or not go (a) CH3-CH3 + H2O → CH,OH+CH (AH = 12 kcal/mol) (b) CH3COCH3 + H2O → CH3COOH + CH, (AH--13 kcal/mol ) (6%) (8) Predict the order of solubility: (9%) (a) MgSO4, CaSO4, SISOs, and Baso. (c) AgF, AgCl, AgBr, and Ag! (b) PbCI, PbBry, and Pbi! (9) List the following acids in order of acid strength in aqueous solution:...
balance each of the following equations
Fall 209 CHM 105.004 Exam 2 Answer all the question in order in the blue book. Plesse leave at least two lines between question and show your calculations for full credit. N-6.023 x 10” particles per mol: R 0.08.205 L-atm/(mol-K) b) Al2(PO4) 3 e) CuSO4-5 H2O 1. Calculate the molar masses of: a) (NH4)2SO4 2. Calculate: a) the number of atoms of calcium in a 10.50 g sample of the metal b) the mass...
Predict the products of the following reactions and balance the chemical equations. 1. Synthesis Reactions a) 2Na(s) + Cl2(g) → 2NaCl (s) b) 3Mg(s) + N2(g) → Mg3N2 (8) 2. Decomposition Reactions a) 2HgO(s) → 2Hg (s)+ O2(g) b)Li2O(s)2Li (g)+ 0-2 (g) 3. Single Displacement Reactions a) Al(s) + Pb(NO3)2 (aq) → Al(NO3)2 + Pb b) Ca(s) + HNO3(aq) → 4. Double Displacement Reactions Remember to include state symbols to show if a precipitate forms. a) CaCl2(aq) +_ Li2SO4(aq) →...
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