chemistry 110 final exam
... N2(g) + 3H2(g) ! 2NH3(g) At some time during the reaction, the [N2]=0.036 M, [H2]=4.6"10#3 M, and [NH3]=9.1"10#4 M. Which of the following is true? A. Q = K so the reaction is at equilibrium; the concentrations will not change B. Q > K so the reaction will produce more product. C. Q > K so the react ...
... N2(g) + 3H2(g) ! 2NH3(g) At some time during the reaction, the [N2]=0.036 M, [H2]=4.6"10#3 M, and [NH3]=9.1"10#4 M. Which of the following is true? A. Q = K so the reaction is at equilibrium; the concentrations will not change B. Q > K so the reaction will produce more product. C. Q > K so the react ...
spring semester review
... b) HNO2 + H2O ----> NO2- + H3O+ c) HNO2 + KOH ----> K+ + NO2- + H2O d) HNO2 + OH- ----> NO2- + H2O e) H+ + OH- ----> H2O 34. A solution of ammonia is titrated with hydrochloric acid. At the equivalence point, phenolphthalein will be what color? a) colorless b) pink c) red d) blue 35. The molar solub ...
... b) HNO2 + H2O ----> NO2- + H3O+ c) HNO2 + KOH ----> K+ + NO2- + H2O d) HNO2 + OH- ----> NO2- + H2O e) H+ + OH- ----> H2O 34. A solution of ammonia is titrated with hydrochloric acid. At the equivalence point, phenolphthalein will be what color? a) colorless b) pink c) red d) blue 35. The molar solub ...
EXAM 3
... How many grams of potassium are present in 4.215 g of KClO3? Hint: One way to work this is to convert g KClO3 mol KClO3 mol K g K. (The formula KClO3 shows the ratio of mol K to mol KClO3. This ratio is needed for the middle conversion factor). An alternative way to work this is to calculate t ...
... How many grams of potassium are present in 4.215 g of KClO3? Hint: One way to work this is to convert g KClO3 mol KClO3 mol K g K. (The formula KClO3 shows the ratio of mol K to mol KClO3. This ratio is needed for the middle conversion factor). An alternative way to work this is to calculate t ...
Make Your Own Summary 1. single displacement reaction 2
... which prevents the reaction from being a double displacement reaction. The products are two compounds, which prevent the reaction from being a single displacement reaction. ...
... which prevents the reaction from being a double displacement reaction. The products are two compounds, which prevent the reaction from being a single displacement reaction. ...
Free Energy I
... Irreversible Processes An irreversible process is one in which the system and surroundings cannot be restored to their original state by exactly reversing the change. dropping a vase and breaking it reacting hydrogen and oxygen to form water burning a match ...
... Irreversible Processes An irreversible process is one in which the system and surroundings cannot be restored to their original state by exactly reversing the change. dropping a vase and breaking it reacting hydrogen and oxygen to form water burning a match ...
document
... F. A multiplier. It is used to balance equations. 8. Synthesis Reaction L G. A reaction in which two reactant compounds switch ions. 9. Decomposition Reaction A H. This number tells the number of atoms of one element in a 10. Single Displacement Reaction O compound. I. Bonds formed by gaining and lo ...
... F. A multiplier. It is used to balance equations. 8. Synthesis Reaction L G. A reaction in which two reactant compounds switch ions. 9. Decomposition Reaction A H. This number tells the number of atoms of one element in a 10. Single Displacement Reaction O compound. I. Bonds formed by gaining and lo ...
A`r ji r/ Ii
... a. the total number of protons and neulrons in the nucleus of an atom b. the weighted average mass of the atoms in a naturally occurring sample of an element c. 1/12 the mass of a carboni2 atom d. the number of protons in the nucleus of an element e. atoms with the same number of protons ...
... a. the total number of protons and neulrons in the nucleus of an atom b. the weighted average mass of the atoms in a naturally occurring sample of an element c. 1/12 the mass of a carboni2 atom d. the number of protons in the nucleus of an element e. atoms with the same number of protons ...
2012 C13 Exam answers
... 32 Which statement about catalysts is incorrect? 28 A cylinder of unknown volume contains helium gas, He(g), at 3.50 atm and 315 K. The helium gas is then transferred to a 7.0 L gas cylinder containing Ne(g), at 2.50 atm and 315 K. If the final total pressure at 315 K is 5.75 atm, then what is the v ...
... 32 Which statement about catalysts is incorrect? 28 A cylinder of unknown volume contains helium gas, He(g), at 3.50 atm and 315 K. The helium gas is then transferred to a 7.0 L gas cylinder containing Ne(g), at 2.50 atm and 315 K. If the final total pressure at 315 K is 5.75 atm, then what is the v ...
ACP Chemistry Semester 1 Final Exam - Doc-U-Ment
... D) This reaction is nonspontaneous at all temperatures. E) This reaction is spontaneous at all temperatures. 41) Identify the statement that is FALSE. A) The entropy of a gas is greater than the entropy of a liquid. B) Entropy generally increases with increasing molecular complexity. C) Free atoms h ...
... D) This reaction is nonspontaneous at all temperatures. E) This reaction is spontaneous at all temperatures. 41) Identify the statement that is FALSE. A) The entropy of a gas is greater than the entropy of a liquid. B) Entropy generally increases with increasing molecular complexity. C) Free atoms h ...
Document
... 2HCl(aq) + Cr(s) H2(g)+ CrCl2(aq) A. composition B. single-displacement C. decomposition D. double-displacement ...
... 2HCl(aq) + Cr(s) H2(g)+ CrCl2(aq) A. composition B. single-displacement C. decomposition D. double-displacement ...
Reaction Rate review questions
... b) Small sticks of wood are often used to start a fire. Surface area c) In hospitals the healing process is often quickened in an oxygen tent. Concentration 32. Why would you expect the rate of Ag+(aq) + Cl-(aq) AgCl(s) at room temperature is much faster than the rate of CH4(g) + 2O2(g) CO2(g) + ...
... b) Small sticks of wood are often used to start a fire. Surface area c) In hospitals the healing process is often quickened in an oxygen tent. Concentration 32. Why would you expect the rate of Ag+(aq) + Cl-(aq) AgCl(s) at room temperature is much faster than the rate of CH4(g) + 2O2(g) CO2(g) + ...
2012 Chem 13 News Exam
... Starting from reactants only, and before equilibrium is established, the rate of the forward reaction continually increases. ...
... Starting from reactants only, and before equilibrium is established, the rate of the forward reaction continually increases. ...
GC97F Pretest A - American Chemical Society
... H2 molecules and the paired solid spheres represent N2 molecules. When the molecules in the box react to form the maximum possible amount of ammonia (NH3) molecules, what is the limiting reactant and how many molecules of NH3 can be formed? (A) N2 is limiting. 5 molecules of NH3 can be formed. (B) N ...
... H2 molecules and the paired solid spheres represent N2 molecules. When the molecules in the box react to form the maximum possible amount of ammonia (NH3) molecules, what is the limiting reactant and how many molecules of NH3 can be formed? (A) N2 is limiting. 5 molecules of NH3 can be formed. (B) N ...
Topic2890 Thermodynamics and Kinetics A given system at
... reaction. In fact the link between the rate of chemical reaction (dξ / dt ) and the affinity for spontaneous change A is intuitively attractive. However while one may monitor the dependence of composition on time, dξ/dt, it is not immediately obvious ∂A how one might estimate the affinity A and ...
... reaction. In fact the link between the rate of chemical reaction (dξ / dt ) and the affinity for spontaneous change A is intuitively attractive. However while one may monitor the dependence of composition on time, dξ/dt, it is not immediately obvious ∂A how one might estimate the affinity A and ...
Thermodynamics and kinetics
... below ≈1E-5/mL no visible precipitate forms colloids • formation of supersaturated solutions slow kinetics • Competitive reactions may lower free ion concentration • Large excess of ligand may form soluble species AgCl(s) + Cl- <--> AgCl2-(aq) Ksp really best for slightly soluble salts ...
... below ≈1E-5/mL no visible precipitate forms colloids • formation of supersaturated solutions slow kinetics • Competitive reactions may lower free ion concentration • Large excess of ligand may form soluble species AgCl(s) + Cl- <--> AgCl2-(aq) Ksp really best for slightly soluble salts ...
chemical reaction
... • (One person breaks up a couple and goes out with one of them. • A + BC→ AC + B ...
... • (One person breaks up a couple and goes out with one of them. • A + BC→ AC + B ...
Reaction Systems Engineering II (part 1)
... Solution to Exercise 1.2 E° = –rG / F = 228.51000/(296485) = 1.18 V (300 K), = 192.61000/(296485) = 1.00 V (1000 K) * Theoretical emf depends on the overall cell reaction only. * The E° = 1.23 V derived from the room temperature rG° = –237.1 for H2(g) + 0.5 O2(g) H2O(l) is usually called a ...
... Solution to Exercise 1.2 E° = –rG / F = 228.51000/(296485) = 1.18 V (300 K), = 192.61000/(296485) = 1.00 V (1000 K) * Theoretical emf depends on the overall cell reaction only. * The E° = 1.23 V derived from the room temperature rG° = –237.1 for H2(g) + 0.5 O2(g) H2O(l) is usually called a ...
Chemical Equations TrackStar Assignment
... 3. Write the reaction for a silver spoon tarnishing. What type of reaction is this? 4. Write the reaction for the burning of Methane gas (the gas used in Chemistry lab). What type of reaction is this? 5. Write the reaction of the neutralization of stomach acid. What type of reaction is this? 6. Does ...
... 3. Write the reaction for a silver spoon tarnishing. What type of reaction is this? 4. Write the reaction for the burning of Methane gas (the gas used in Chemistry lab). What type of reaction is this? 5. Write the reaction of the neutralization of stomach acid. What type of reaction is this? 6. Does ...
chemical reaction
... • (One person breaks up a couple and goes out with one of them. • A + BC→ AC + B ...
... • (One person breaks up a couple and goes out with one of them. • A + BC→ AC + B ...
Chapter 14
... The smaller product concentration suggests this reaction is reactant-favored, so it makes sense that the KC is smaller than 1. Answer: Kc = 0.075 38. Strategy and Explanation: Given a table of equations with values of KC and KP, order a set equations in order of most reactant-favored to most product ...
... The smaller product concentration suggests this reaction is reactant-favored, so it makes sense that the KC is smaller than 1. Answer: Kc = 0.075 38. Strategy and Explanation: Given a table of equations with values of KC and KP, order a set equations in order of most reactant-favored to most product ...
practice unit #2 exam
... A. The higher the activation energy barrier, the faster the reaction. B. Increasing the concentration of a reactant may increase the rate of a reaction. C. Adding a catalyst speeds up the rate of reaction for both the forward and reverse reactions. D. Increasing the concentration increases the rate ...
... A. The higher the activation energy barrier, the faster the reaction. B. Increasing the concentration of a reactant may increase the rate of a reaction. C. Adding a catalyst speeds up the rate of reaction for both the forward and reverse reactions. D. Increasing the concentration increases the rate ...
Bioorthogonal chemistry
The term bioorthogonal chemistry refers to any chemical reaction that can occur inside of living systems without interfering with native biochemical processes. The term was coined by Carolyn R. Bertozzi in 2003. Since its introduction, the concept of the bioorthogonal reaction has enabled the study of biomolecules such as glycans, proteins, and lipids in real time in living systems without cellular toxicity. A number of chemical ligation strategies have been developed that fulfill the requirements of bioorthogonality, including the 1,3-dipolar cycloaddition between azides and cyclooctynes (also termed copper-free click chemistry), between nitrones and cyclooctynes, oxime/hydrazone formation from aldehydes and ketones, the tetrazine ligation, the isocyanide-based click reaction, and most recently, the quadricyclane ligation.The use of bioorthogonal chemistry typically proceeds in two steps. First, a cellular substrate is modified with a bioorthogonal functional group (chemical reporter) and introduced to the cell; substrates include metabolites, enzyme inhibitors, etc. The chemical reporter must not alter the structure of the substrate dramatically to avoid affecting its bioactivity. Secondly, a probe containing the complementary functional group is introduced to react and label the substrate.Although effective bioorthogonal reactions such as copper-free click chemistry have been developed, development of new reactions continues to generate orthogonal methods for labeling to allow multiple methods of labeling to be used in the same biosystems.