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For the following questions answer in the space provided: a. Balance the following equation: B_2 O_3...
All of the following are incorrect formulas of a salt except a. CaCl_2 b. MgF_3 c....
All of the following are incorrect formulas of a salt except a. CaCl_2 b. MgF_3 c. LiN_2 d. NaBr_4 e. Cal Which formula/name is NOT correct? a. CaH_2/calcium hydride b. N_2O_4/dinitrogen tetraoxide c. Al_2(SO_4)3/aluminum sulfate d. Cu_2S/Copper(I) Sulfide e. Na_2SO_3/sodium sulfate The correct Lewis formula for N_2H_4 is (each dash represents two electrons) What is the product of reaction of a strong acid with a strong base? a. water and a gas b. water and a precipitate c. water and...
Consider the following reaction: Ca(s) + 2 H_2O(l) rightarrow Ca(OH)_2(s) + H_2(g) Calculate the heat of...
Consider the following reaction: Ca(s) + 2 H_2O(l) rightarrow Ca(OH)_2(s) + H_2(g) Calculate the heat of reaction based on the following information: 2H_2(g) + O_2(g) rightarrow 2 H_2O(l) DeltaH = -572 kJ/mol CaO(s) + H_2O(l) rightarrow Ca(OH)_2(s) DeltaH = -64 kJ/mol CaCO_3(s) rightarrow CaO(s) + CO_2(g) DeltaH = +178.1 kJ/mol 2 Ca (s) + O_2(g) rightarrow 2 CaO(s) DeltaH = -1270 kJ/mol 13. Acetylene is used in blow torches, and bums according to the following equation: 2 C_2H_2(g) + 5...
A 0.4647 g sample containing only carbon, hydrogen, and oxygen was burned to yield 0.8635 g...
A 0.4647 g sample containing only carbon, hydrogen, and oxygen was burned to yield 0.8635 g of CO_2 and 0.1767 g of H_2 O. What is the empirical formula of the compound? Balance the following reactions: PCl_5 + H_2 O rightarrow POCl_3 + HCl H_2 SnCl_6 + H_2 S rightarrow SnS_2 + HCl Balance the following reactions: C_2 H_6 + O_2 rightarrow CO_2 + H_2 O Al_2 (SO_4)_3 + Ca(OH)_2 rightarrow Al(OH)_3 + CaSO_4
Indicate which of the following chemical reaction are redox reactions: a. 2Pbs + 3O_2 rightarrow 2PbO...
Indicate which of the following chemical reaction are redox reactions: a. 2Pbs + 3O_2 rightarrow 2PbO + 2SO_2 b. 2AgNO_3 + CuCl_2 rightarrow Cu(NO_3)_2 + 2AgCl c. CH_4 + 2O_2 rightarrow CO_2 + 2H_2 O d. FeCl_2 + 2NaOH rightarrow Fe(OH)_2 + 2NaCl e. 4Fe + 3O_2 rightarrow 2Fe_2 O_3
Select the oxidizing or reducing agent (s) that you would use to carry out the transformation...
Select the oxidizing or reducing agent (s) that you would use to carry out the transformation below. Li, NH_3 i. KMnO_4, H_2 O, KOH, heat: ii. H_3 O^+ i. O_3, CH_3 OH ii. (CH_3)_2 S PCC RCO_3 H NaBH_4 i. LiAIH_4: ii. H_3 O^+ H_2, Lindlar's Catalyst H_2, Ni
Classify the following reactions as either: combination, decomposition, combustion, precipitation (metathesis) or redox reactions. C(s) +...
Classify the following reactions as either: combination, decomposition, combustion, precipitation (metathesis) or redox reactions. C(s) + 4 HNO_3 (aq) rightarrow 4 NO_2 (g) + 2 H_2 O (I) + CO_2 (g) HCI (aq) + NH_3 (aq) rightarrow NH_4 CI(aq) 2HI (g) rightarrow H_2 (g) + I_2 (g) Cu(NO_3)_2 9aq) + Na_2 S (aq) rightarrow CuS(s) + 2 NaNO_3 (aq) Zn(s) + 2 AgNO_3 (aq) rightarrow Zn(NO_3)_2 (aq) + 2 Ag(s) H_2 SO_3 (aq) + 2 KOH(aq) rightarrow K_2 SO_3 (aq)...
For the following equilibrium: N_2(g) + H_2(g) rightarrow NH_3(g) delta H= -386 kJ/mole Predict the direction...
For the following equilibrium: N_2(g) + H_2(g) rightarrow NH_3(g) delta H= -386 kJ/mole Predict the direction the equilibrium will shift if: N_2 is added? H_2 is removed? NH_3 is added? NH_3 is removed? the volume of the container is decreased? the pressure is increased by adding Argon gas? the reaction is cooled? equal number of moles of H_2 and NH_3 are added? a catalyst is added The equilibrium constant for the following reaction is 5.0 at 400 degree C. CO_(g)...
The equation below represents the titration that will he completed in Experiment 20B. It is sometimes...
The equation below represents the titration that will he completed in Experiment 20B. It is sometimes called n redox titration because an oxidation reaction occurs. What is the reducing agent? The oxidizing reagent? Explain your answers. 16 H^+ + 5 C_2 O_4^2- + 2 Mn O^-_4 rightarrow 10 CO_2 + 2 Mn^2+ + 8 H_2 O In solution, the ferrioxalate complex undergoes photoreduction. The complex absorbs a photon of light and decomposes to form Fe(C_2 O_4}^2-_2 and CO_2. What are...
In the following reaction, first find how many oxygen molecules would be used to completely react...
In the following reaction, first find how many oxygen molecules would be used to completely react with 230 grams of pentyl alcohol (C_)5 H_11 OH)? Then, if exactly 1.505 times 10^21 carbon dioxide molecules were formed in this reaction, calculate the grams of water formed during this reaction. C)3 H_10 OH + O_2 rightarrow CO_2 + H_2 O
Match the definition with the term ____ Transition from solid to liquid A. condensation ____ Transition...
Match the definition with the term ____ Transition from solid to liquid A. condensation ____ Transition from liquid to gas B. Boiling ____ Transition from solid to gas C. Freezing _____ Transition from gas to liquid D. Melting _____ Transition from liquid to solid E. Sublimation How many milligrams are in 8.22 moles of sodium hydroxide (molar mass = 39.997 g/mol). Be sure to show your work, correctly label your units and use the correct number of significant figures. A...
All of the following are incorrect formulas of a salt except a. CaCl_2 b. MgF_3 c. LiN_2 d. NaBr_4 e. Cal Which formula/name is NOT correct? a. CaH_2/calcium hydride b. N_2O_4/dinitrogen tetraoxide c. Al_2(SO_4)3/aluminum sulfate d. Cu_2S/Copper(I) Sulfide e. Na_2SO_3/sodium sulfate The correct Lewis formula for N_2H_4 is (each dash represents two electrons) What is the product of reaction of a strong acid with a strong base? a. water and a gas b. water and a precipitate c. water and...
Consider the following reaction: Ca(s) + 2 H_2O(l) rightarrow Ca(OH)_2(s) + H_2(g) Calculate the heat of reaction based on the following information: 2H_2(g) + O_2(g) rightarrow 2 H_2O(l) DeltaH = -572 kJ/mol CaO(s) + H_2O(l) rightarrow Ca(OH)_2(s) DeltaH = -64 kJ/mol CaCO_3(s) rightarrow CaO(s) + CO_2(g) DeltaH = +178.1 kJ/mol 2 Ca (s) + O_2(g) rightarrow 2 CaO(s) DeltaH = -1270 kJ/mol 13. Acetylene is used in blow torches, and bums according to the following equation: 2 C_2H_2(g) + 5...
A 0.4647 g sample containing only carbon, hydrogen, and oxygen was burned to yield 0.8635 g of CO_2 and 0.1767 g of H_2 O. What is the empirical formula of the compound? Balance the following reactions: PCl_5 + H_2 O rightarrow POCl_3 + HCl H_2 SnCl_6 + H_2 S rightarrow SnS_2 + HCl Balance the following reactions: C_2 H_6 + O_2 rightarrow CO_2 + H_2 O Al_2 (SO_4)_3 + Ca(OH)_2 rightarrow Al(OH)_3 + CaSO_4
Indicate which of the following chemical reaction are redox reactions: a. 2Pbs + 3O_2 rightarrow 2PbO + 2SO_2 b. 2AgNO_3 + CuCl_2 rightarrow Cu(NO_3)_2 + 2AgCl c. CH_4 + 2O_2 rightarrow CO_2 + 2H_2 O d. FeCl_2 + 2NaOH rightarrow Fe(OH)_2 + 2NaCl e. 4Fe + 3O_2 rightarrow 2Fe_2 O_3
Select the oxidizing or reducing agent (s) that you would use to carry out the transformation below. Li, NH_3 i. KMnO_4, H_2 O, KOH, heat: ii. H_3 O^+ i. O_3, CH_3 OH ii. (CH_3)_2 S PCC RCO_3 H NaBH_4 i. LiAIH_4: ii. H_3 O^+ H_2, Lindlar's Catalyst H_2, Ni
Classify the following reactions as either: combination, decomposition, combustion, precipitation (metathesis) or redox reactions. C(s) + 4 HNO_3 (aq) rightarrow 4 NO_2 (g) + 2 H_2 O (I) + CO_2 (g) HCI (aq) + NH_3 (aq) rightarrow NH_4 CI(aq) 2HI (g) rightarrow H_2 (g) + I_2 (g) Cu(NO_3)_2 9aq) + Na_2 S (aq) rightarrow CuS(s) + 2 NaNO_3 (aq) Zn(s) + 2 AgNO_3 (aq) rightarrow Zn(NO_3)_2 (aq) + 2 Ag(s) H_2 SO_3 (aq) + 2 KOH(aq) rightarrow K_2 SO_3 (aq)...
For the following equilibrium: N_2(g) + H_2(g) rightarrow NH_3(g) delta H= -386 kJ/mole Predict the direction the equilibrium will shift if: N_2 is added? H_2 is removed? NH_3 is added? NH_3 is removed? the volume of the container is decreased? the pressure is increased by adding Argon gas? the reaction is cooled? equal number of moles of H_2 and NH_3 are added? a catalyst is added The equilibrium constant for the following reaction is 5.0 at 400 degree C. CO_(g)...
The equation below represents the titration that will he completed in Experiment 20B. It is sometimes called n redox titration because an oxidation reaction occurs. What is the reducing agent? The oxidizing reagent? Explain your answers. 16 H^+ + 5 C_2 O_4^2- + 2 Mn O^-_4 rightarrow 10 CO_2 + 2 Mn^2+ + 8 H_2 O In solution, the ferrioxalate complex undergoes photoreduction. The complex absorbs a photon of light and decomposes to form Fe(C_2 O_4}^2-_2 and CO_2. What are...
In the following reaction, first find how many oxygen molecules would be used to completely react with 230 grams of pentyl alcohol (C_)5 H_11 OH)? Then, if exactly 1.505 times 10^21 carbon dioxide molecules were formed in this reaction, calculate the grams of water formed during this reaction. C)3 H_10 OH + O_2 rightarrow CO_2 + H_2 O
Match the definition with the term ____ Transition from solid to liquid A. condensation ____ Transition from liquid to gas B. Boiling ____ Transition from solid to gas C. Freezing _____ Transition from gas to liquid D. Melting _____ Transition from liquid to solid E. Sublimation How many milligrams are in 8.22 moles of sodium hydroxide (molar mass = 39.997 g/mol). Be sure to show your work, correctly label your units and use the correct number of significant figures. A...
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