Chemistry concepts and calculations

2. (20 points) The initial rates for the reaction of A and B under various initi

2. (20 points) The initial rates for the reaction of A and B under various initial conditions are listed below. Determine the reaction order for reactant A. (A plotting grid is pr…

2. (20 pts) Match the chemical equation with reaction type: Single Displacement,

2. (20 pts) Match the chemical equation with reaction type:     Single Displacement, Double Displacement, Combination (Synthesis), or Decomposition. Cu(NO3)2(aq) + 2NaOH(aq) à Cu(…

2. (2017 midterm) Circle your choice. In intramolecular rearrangement reactions,

2. (2017 midterm) Circle your choice. In intramolecular rearrangement reactions, different groups in a molecule may undergo oxidation-reduction, with no net change in oxidation st…

2. (2017 midterm) Circle your choice. In intramolecular rearrangement reactions,

2. (2017 midterm) Circle your choice. In intramolecular rearrangement reactions, different groups in a molecule may undergo oxidation-reduction, with no net change in oxidation st…

2. (24 marks total) A process for gasifying coal produces a fuel gas with a comp

2. (24 marks total) A process for gasifying coal produces a fuel gas with a composition of 13 25% Co, and 62% H2 by volume. (a) (4 marks) Calculate the specific volume of this gas…

2. (25 points) Superheated steam at 410°C and 400 kPa flowing at 3,000 kg/s ente

2. (25 points) Superheated steam at 410°C and 400 kPa flowing at 3,000 kg/s enters a turbine to produce work. a. Assume the turbine is adiabatic (no heat loss) and that the steam …

2. (3 points) The following laboratory data were collected to establish an equil

2. (3 points) The following laboratory data were collected to establish an equilibrium isotherm for an SOC (synthetic organic compound) and a sample of PAC (powered activated carb…

2. (3) Corey and Nicole performed the same experiment that you did last week. Th

2. (3) Corey and Nicole performed the same experiment that you did last week. They collected the following data. Calculate the value of R from their data. Determine their % error.…

2. (3) Corey and Nicole performed the same experiment that you did last week. Th

2. (3) Corey and Nicole performed the same experiment that you did last week. They collected the following data. Calculate the value of R from their data. MW of O2 = 32.0 Barometr…

2. (30 points) I make my personal Windex solution which is 50 wt% ammonia in wat

2. (30 points) I make my personal Windex solution which is 50 wt% ammonia in water. My increasingly naughty daughter thought it was funny to leave a 10 lbm bucket of the solution …

2. (30 points) I make my personal Windex solution which is 50 wt% ammonia in wat

2. (30 points) I make my personal Windex solution which is 50 wt% ammonia in water. My increasingly naughty daughter thought it was funny to leave a 10 lbm bucket of the solution …

2. (30 pts) In addition to the default IEEE double-precision format (8 bytes, 64

2. (30 pts) In addition to the default IEEE double-precision format (8 bytes, 64 bits) to store floating-point numbers, computer can also store the numbers in half-precision forma…

2. (33 pts total) Oxidative Phosphorylation and ATP Synthesis a. (8 points) Cyan

2. (33 pts total) Oxidative Phosphorylation and ATP Synthesis a. (8 points) Cyanide and the antibiotic oligomycin B both inhibit mitochondrial oxidative phosphorylation when the r…

2. (4 pts) For the reaction 2A+5B3X+8Z, the rate of formation of Z is first orde

2. (4 pts) For the reaction 2A+5B3X+8Z, the rate of formation of Z is first order in B and half-order in A. If the rate constant for this reaction at 25°C is 7.5 x 10 M , what is …

2. (4 pts), Olaf is going to be running an enzyme assay that will have a final v

2. (4 pts), Olaf is going to be running an enzyme assay that will have a final volume of 300uL. This assay will require the substrate o-nitrophenyl-ß-galactoside, and luckily ther…

2. (4pt) When the concentration of Reactant A is doubled, the reaction rate beco

2. (4pt) When the concentration of Reactant A is doubled, the reaction rate becomes 4 times faster. What is the reaction order of Reactant A? a) 1" order b)2e"order c) 3re order d…

2. (5 points) A mixture of 20.0 grams of sulfur hexafluoride (SF; molar mass 146

2. (5 points) A mixture of 20.0 grams of sulfur hexafluoride (SF; molar mass 146.1g.mol) and 12.0g of carbon 44.01 g.mo) occupies a volume of 9.10 L at T #200C, what is the partia…

2. (5 points) An old lady like me runs 1 mile in exactly 10 minutes. Calculate m

2. (5 points) An old lady like me runs 1 mile in exactly 10 minutes. Calculate my speed in kilometers per hour. (1 mile-1609 meters) 3. (12 points) Balance the following equations…

2. (5 points) An old lady like me runs 1 mile in exactly 10 minutes. Calculate m

2. (5 points) An old lady like me runs 1 mile in exactly 10 minutes. Calculate my speed in kilometers per hour. (1 mile-1609 meters) 3. (12 points) Balance the following equations…

2. (5 points) Consider the oxidation reaction where methane, a powerful green-ho

2. (5 points) Consider the oxidation reaction where methane, a powerful green-house gas, is catalytically oxidized to CO2 and H20 by Pdr-Al O3 catalyst CH4 + 202 H+CO2 How would y…

2. (6 poists) Describe Water (HO) Bensene (C.lt CO, (solid 3. (a points) Describ

2. (6 poists) Describe Water (HO) Bensene (C.lt CO, (solid 3. (a points) Describe predominant intermolecular interacti together ons between the following compounds mised For examp…

2. (6 pts) For the corresponding to its approximate frequency in its IR spectrum

2. (6 pts) For the corresponding to its approximate frequency in its IR spectrum. You may u or not at all. structures, place the appropriate letter next to each CO group next to t…

2. (6 pts) Using the information below and the table provided, estimate the pH o

2. (6 pts) Using the information below and the table provided, estimate the pH of a 1 M solution of sodium bisulfate (NaHSO4). When phenolpthalein is added to 1 M NaHSO4 the resul…

2. (7pts total) Answer the following questions based on the sparing soluble salt

2. (7pts total) Answer the following questions based on the sparing soluble salt, Ca(OH)2. Be sure to include proper significant figures and units when needed The class average Kp…

2. (7pts total) Answer the following questions based on the sparing soluble salt

2. (7pts total) Answer the following questions based on the sparing soluble salt, Ca(OH)2. Be sure to include proper significant figures and units when needed The class average Kp…

2. (8 points) Donated blood Go amount of 2,3 bisphosphoglycerate decreases over

2. (8 points) Donated blood Go amount of 2,3 bisphosphoglycerate decreases over time in the RBCs in stored blood. Once tran into a patient, the stored RBC has a lower level of 2,3…

2. (8 points) The solubility of the weak acid potassium hydrogen phthalate (KHP,

2. (8 points) The solubility of the weak acid potassium hydrogen phthalate (KHP, 204.22 g/mol, pKA 5.4) is 80.00 g/L in pure water at 293K. You have a 50 mole tablet of KHP to whi…

2. (8 points) The solubility of the weak acid potassium hydrogen phthalate (KHP,

2. (8 points) The solubility of the weak acid potassium hydrogen phthalate (KHP, 204.22 g/mol, pKa = 5.4) is 80.00 g/L in pure water at 293K. You have a 50 mole tablet of KHP to w…

2. (8 pts) Is the entropy increasing, decreasing or staying about the same? Use

2. (8 pts) Is the entropy increasing, decreasing or staying about the same? Use the qualitative entropy rules to determine the answer. Write the answer to the right of each proces…

2. (A) Cite two important quantum-mechanical concepts associated with the Bohr m

2. (A) Cite two important quantum-mechanical concepts associated with the Bohr model of the atom. (B) Cite two important additional refinements that resulted from the wave-mechani…

2. (Barrow, Problem 5 - 1) The acceleration due to gravity on the earth?s surfac

2. (Barrow, Problem 5 - 1) The acceleration due to gravity on the earth?s surface is about 9.8 m sec^ - 2. a) What is the force of gravity on a 1 - kg mass? b) How much mechanical…

2. (TCO 4) In C#, the != operator represents _____. (Points : 2) negation not gr

2. (TCO 4) In C#, the != operator represents _____. (Points : 2)        negation        not greater or less than        equal to        not equal to (TCOs 3 and 8) Which will be d…

2. (TCOs 3, 4, and 8) In the following pseudocode, which raise will an employee

2. (TCOs 3, 4, and 8) In the following pseudocode, which raise will an employee in Department 9 receive?           If department < 5 then                  Set raise = 100      …

2. (WRH-7, #2246) An electron is launched at a 40° angle and a speed of 2.0 * 10

2. (WRH-7, #2246) An electron is launched at a 40° angle and a speed of 2.0 * 106 m/s from a point A on x-axis. It moves through a uniform electric field E = ( 5.00 A screen for d…

2. (a ) Given the following data, calculate the heat absorbed by the solution an

2. (a ) Given the following data, calculate the heat absorbed by the solution and the heat absorbed by the calorimeter in the following reaction: HNO3 + KOH KNO3 (aq) + H2O, From …

2. (a) Alum is added in the aeration tank of activated sludge process for phosph

2. (a) Alum is added in the aeration tank of activated sludge process for phosphorus removal The effluent limit for total phosphorus is 0.5 mg/L. The alum is dosed at 140 mg/L. Th…

2. (a) If you performed a melking point experiment on the same compound in San F

2. (a) If you performed a melking point experiment on the same compound in San Francisco and on top of Mt. Everest, would your results differ? Explain. (b) If you performed a boil…

2. (a) Implement a class Student. For the purpose of this exercise, a student ha

2. (a) Implement a class Student. For the purpose of this exercise, a student has a name and a total quiz score. Supply an appropriate constructor and methods getName(), addQuiz(s…

2. (a) The piston is frictionless and leak proof and the expansion may be assume

2. (a) The piston is frictionless and leak proof and the expansion may be assumed reversible. Calculate the gas pressure in the cylinder of the machine shown below when: (i) the a…

2. (a) The piston is frictionless and leak proof and the expansion may be assume

2. (a) The piston is frictionless and leak proof and the expansion may be assumed reversible. Calculate the gas pressure in the cylinder of the machine shown below when: (i) the a…

2. (a) Which statement is correct? i. Grain boundaries and dislocations are area

2. (a) Which statement is correct? i. Grain boundaries and dislocations are area defects ii. Only dislocations are area defects. iii. Vacancies and substitutional solid solution a…

2. (a) Write the equations needed to find the pH of and the concentrations of th

2. (a) Write the equations needed to find the pH of and the concentrations of the major species in a solution of 0.0500M potassium benzoate. Include activity coefficients where ap…

2. (total 50 points) Consider the following reaction representing the combustion

2. (total 50 points) Consider the following reaction representing the combustion of propane: C3Ha + O2 CO2 + H2O (a) (10 points) Balance the equation (b) (10 points) How many mole…

2. (total 50 points) Consider the following reaction representing the combustion

2. (total 50 points) Consider the following reaction representing the combustion of propane: C3Ha + O2 CO2 + H2O (a) (10 points) Balance the equation (b) (10 points) How many mole…

2. -12 points GVSUBiochem1 1.4.P.002 My Notes The hydronium ion concentration, [

2. -12 points GVSUBiochem1 1.4.P.002 My Notes The hydronium ion concentration, [H3 or more simply the hydrogen ion concentration, [H+]), for venous blood is 4.17 x 10-8 NM a. What…

2. -12 points GVSUBiochem1 1.4.P.002 My Notes The hydronium ion concentration, [

2. -12 points GVSUBiochem1 1.4.P.002 My Notes The hydronium ion concentration, [H3 or more simply the hydrogen ion concentration, [H+]), for venous blood is 4.17 x 10-8 NM a. What…

2. -3.33 points My Notes I WebAssign GenChem1 6.EX 009 A voltaic cell contains t

2. -3.33 points My Notes I WebAssign GenChem1 6.EX 009 A voltaic cell contains two half-cells. One half-cell contains a chromium electrode immersed in a 1.00 M Cr(NO3)3 solution. …

2. 0.9192 g of Cu(NO) 2.5H20 was dissolved completely in approximately 40-mL of

2. 0.9192 g of Cu(NO) 2.5H20 was dissolved completely in approximately 40-mL of deionized water. Then, the solution was poured into in a 100.00-mL volumetric flask and water was a…

2. 16 A graduated cylinder contains 155 mL of water. A 15.0-g piece of iron and

2. 16 A graduated cylinder contains 155 mL of water. A 15.0-g piece of iron and a 20.0-g piece of lead are added. What is the new water level, in milliliters, in the cylinder (see…

2. 16 A graduated cylinder contains 155 mL of water. A 15.0-g piece of iron and

2. 16 A graduated cylinder contains 155 mL of water. A 15.0-g piece of iron and a 20.0-g piece of lead are added. What is the new water level, in milliliters, in the cylinder (see…