Chemistry concepts and calculations

3.) Based on the products in questions 1 & 2, why are they more soluble in the a

3.) Based on the products in questions 1 & 2, why are they more soluble in the aqueous layer and less soluble in the organic, DCM layer? 1. Write the reaction equation that ta…

3.) Ethanol has a specific heat of 2.4 J/g K. How much energy is needed to raise

3.) Ethanol has a specific heat of 2.4 J/g K. How much energy is needed to raise 100.0 ml of ethanol from 25.0 °C to 50.0 °C. (d = 0.789 g/ml) 4.) A 12.18 g sample of a metal is h…

3.) Hydrocyanic acid, HCN, is a weak acid. The following is the equilibrium equa

3.) Hydrocyanic acid, HCN, is a weak acid. The following is the equilibrium equation for its reaction with water: HCN(aq) + H2O(l) <----------> H3O+ + CN-(aq)     Ka = 6.2 x…

3.) Table sugar is really a disaccharide called sucrose. Sucrose is made from th

3.) Table sugar is really a disaccharide called sucrose. Sucrose is made from the condensation reaction of fructose and glucose. The reaction is shown below. 1 glucose 1fructose 1…

3.) What neutral atom satisfies the following? contains 3 unpaired electrons in

3.) What neutral atom satisfies the following? contains 3 unpaired electrons in the ground state and . forms a stable gaseous diatomic molecule 4.) What molecule with the formula …

3.) for each of the following strong acid/base solutions, calculate the [OH-], [

3.) for each of the following strong acid/base solutions, calculate the [OH-], [H+], ph and pOH 4.) fill in the blanks 3.) For each of the following strong acid/base solutions, ca…

3.) you are given the following boiling point data. Which of the liquid would yo

3.) you are given the following boiling point data. Which of the liquid would you expect to have the highest vapor pressure of room temperature? 4.) which of the following is pair…

3.)A certain weak acid, HA, with a K a value of 5.61×10?6, is titrated with NaOH

3.)A certain weak acid, HA, with a Ka value of 5.61×10?6, is titrated with NaOH. Part A A solution is made by titrating 7.00 mmol (millimoles) of HA and 1.00 mmol of the strong ba…

3.00 g of potassium hydroxide (KOH) pellets are put into a constant-pressure cal

3.00 g of potassium hydroxide (KOH) pellets are put into a constant-pressure calorimeter containing 250 mL of water. The initial temperature of the water is 22.3°C. The mixture is…

3.00 g sample of KClO3 decomposes and the oxygen at 240C and0.982 atm is collect

3.00 g sample of KClO3 decomposes and the oxygen at 240C and0.982 atm is collected. What volume of oxygen gas will becollected, assuming 100% yield. (Formula mass of potassiumchlo…

3.00 moles of La and 7.00 moles of Cu are mixed at 1 bar and 1500 °C. The follow

3.00 moles of La and 7.00 moles of Cu are mixed at 1 bar and 1500 °C. The following phase diagram applies. The mixture is cooled at a constant rate of heat loss. At what temperatu…

3.1 Write an Algorithm to decide which is cheaper car or bus for a travel: You w

3.1 Write an Algorithm to decide which is cheaper car or bus for a travel: You want to decide whether you should drive your car to work or take the bus. You know the one-way dista…

3.1 Write an Algorithm to decide which is cheaper car or bus for a travel: You w

3.1 Write an Algorithm to decide which is cheaper car or bus for a travel: You want to decide whether you should drive your car to work or take the bus. You know the one-way dista…

3.1) An inheritance hierarchy is defined in BaseDerived.h (source file provided)

3.1) An inheritance hierarchy is defined in BaseDerived.h (source file provided) consisting of two classes, Base class and Derived class. Write a testing program main() that insta…

3.13. Since the 1960s, the Free Expression Tunnel at North Carolina State Univer

3.13. Since the 1960s, the Free Expression Tunnel at North Carolina State University has been the University's way to combat graffiti on campus. The tunnel is painted almost daily…

3.132 The Solvay process for the manufacture of Sodium Carbonate begins by passi

3.132 The Solvay process for the manufacture of Sodium Carbonate begins by passing ammonia and carbon dioxide through a solution of sodium chloride to make sodium bicarbonate and …

3.15. For the following statements, choose the word or words inside the parenthe

3.15. For the following statements, choose the word or words inside the parentheses that serve(s) to make a correct statement. More than one answer may be correct. At 100°C, the e…

3.15. For the following statements, choose the word or words inside the parenthe

3.15. For the following statements, choose the word or words inside the parentheses that serve(s) to make a correct statement. More than one answer may be correct. At 100°C, the e…

3.16 you have written an essay for school, and it has to be for at least five pa

3.16 you have written an essay for school, and it has to be for at least five pages long.buy your essay is only 4.5 pages long ! you decide to use your new Python skills to make y…

3.17 Each of the following exercises requires evaluating the quality of a two-ph

3.17 Each of the following exercises requires evaluating the quality of a two-phase liquid-vapor mixture: The quality of a two-phase liquid-vapor mixture of H2O at 40oC with a spe…

3.2 - Write a program that displays the contents of ten bytes of the main memory

3.2 - Write a program that displays the contents of ten bytes of the main memory in hexadecimal format on a line of a display device. The ten bytes start at location LOC in the me…

3.2 Liquid transportation fuel, for example gasoline or diesel, is considered a

3.2 Liquid transportation fuel, for example gasoline or diesel, is considered a dense form of energy storage due to the high levels of internal energy stored in the chemical bonds…

3.2. Let us assume that one has a current production platform with a 64 bit word

3.2. Let us assume that one has a current production platform with a 64 bit word length and a clock of 1 nsec. Assume that each platform has 64 cores in a MIMD model. Examine TABL…

3.2. Suppose we toss darts randomly at a square dartboard, whose bullseye is at

3.2. Suppose we toss darts randomly at a square dartboard, whose bullseye is at the origin, and whose sides are 2 feet in length. Suppose also that there's a circle inscribed in t…

3.22 The probability of having a specified return period, Tr, is defined as P(an

3.22 The probability of having a specified return period, Tr, is defined as P(annual value will be equaled or exceeded exactly once in a period of t = Tr years) = Also, P(annual v…

3.22 The probability of having a specified return period, Tr, is defined as P(an

3.22 The probability of having a specified return period, Tr, is defined as P(annual value will be equaled or exceeded exactly once in a period of t = Tr years) = Also, P(annual v…

3.28 Assume that the channel capacity of 12,000 cfs near a private home was equa

3.28 Assume that the channel capacity of 12,000 cfs near a private home was equaled or exceeded in 3 of the past 60 years. Find the following: a) The frequency of the 12,000-cfs v…

3.28 Assume that the channel capacity of 12,000 cfs near a private home was equa

3.28 Assume that the channel capacity of 12,000 cfs near a private home was equaled or exceeded in 3 of the past 60 years. Find the following: a) The frequency of the 12,000-cfs v…

3.29. A mixture of methanol (methyl alcohol) and water contains 60.0% water by m

3.29. A mixture of methanol (methyl alcohol) and water contains 60.0% water by mass. (a) Assuming volume additivity of the components, estimate the specific gravity of the mixture…

3.3. The specific gravity of gasoline is approximately 0.70. (a) Determine the m

3.3. The specific gravity of gasoline is approximately 0.70. (a) Determine the mass (kg) of 50.0 liters of gasoline. (b) The mass flow rate of gasoline exiting a refinery tank is …

3.3. The specific gravity of gasoline is approximately 0.70. (a) Estimate the ma

3.3. The specific gravity of gasoline is approximately 0.70. (a) Estimate the mass (kg) of 50.0 liters of gasoline. (b) The mass flow rate of gasoline exiting a refinery tank is 1…

3.30%) (open system, unsteady state, change with time) Consider a lake having th

3.30%) (open system, unsteady state, change with time) Consider a lake having the following properties: Lake volume 10m3 Initial concentration of contaminant C° = 1 mol/m3 Water o…

3.31 . Answer the following questions about the tree of Fig. 3.31. a. Which node

3.31. Answer the following questions about the tree of Fig. 3.31. a. Which nodes are leaves? b. Which node is the root? c. What is the parent of node C? d. Which nodes are childre…

3.33 You are starting up a bioreactor containing mammalian cells to do the follo

3.33 You are starting up a bioreactor containing mammalian cells to do the follow- ing chemical conversion: In addition to the cells, the bioreactor contains many charcoal pellets…

3.33 You are starting up a bioreactor containing mammalian cells to do the follo

3.33 You are starting up a bioreactor containing mammalian cells to do the follow- ing chemical conversion: In addition to the cells, the bioreactor contains many charcoal pellets…

3.36 On March 11, 2011, a massive earthquake and tsunami triggered a major disas

3.36 On March 11, 2011, a massive earthquake and tsunami triggered a major disaster at Japan’s Fukushima nuclear plant. A plume extending to the northwest of the site deposited si…

3.4 8.8 Please answer all 3 hat is the mole fractio X Clausius-Clapeyron equa x

3.4 8.8 Please answer all 3 hat is the mole fractio X Clausius-Clapeyron equa x D Chem Team: Gas Density x .com/ibiscms/mod/ibis/view.php?ida3243997 math Q E5-574-530s Q Biology 1…

3.44 mL of \"Unknown Solution\" were pipetted into a 100 mL volumetric flask alo

3.44 mL of "Unknown Solution" were pipetted into a 100 mL volumetric flask along with the molybdate and nitric acid solutions. This was diluted to volume, mixed and measured in th…

3.5. Liquid benzene and liquid n-hexane are blended to form a stream flowing at

3.5. Liquid benzene and liquid n-hexane are blended to form a stream flowing at a rate of 1700 lbm/h. An on-line densitometer (an instrument used to determine density) indicates t…

3.50. One of the anions is resonance stabilized, with the negative charge spread

3.50. One of the anions is resonance stabilized, with the negative charge spread over two oxygen atoms. That anion is the weakest (most stable) base. Among the remaining three ani…

3.5cm 3 of a 0.16 mol/l solution of s-butyllithium in toluene was added to a sol

3.5cm3 of a 0.16 mol/l solution of s-butyllithium in toluene was added to a solution of 8.40 g styrene in 200 cm3. After complete conversion of the styrene, 28.00 g of isoprene wa…

3.5cm 3 of a 0.16 mol/l solution of s-butyllithium in toluene was added to a sol

3.5cm3 of a 0.16 mol/l solution of s-butyllithium in toluene was added to a solution of 8.40 g styrene in 200 cm3. After complete conversion of the styrene, 28.00 g of isoprene wa…

3.61. An open-end mercury manometer is to be used to measure the pressure in an

3.61. An open-end mercury manometer is to be used to measure the pressure in an apparatus containing a vapor that reacts with mercury. A 10-cm layer of silicon oil (SG 0.92) is pl…

3.63 Explain why the properties of polycrystalline materials are most often isot

3.63 Explain why the properties of polycrystalline materials are most often isotropic 4.6 Atomic radius, crystal structure, electronegativity, and the most common valence are give…

3.6698 g of Na2CrO4 (MW = 161.97 g/mol) is dissolved in 100.0 mL of water. Assum

3.6698 g of Na2CrO4 (MW = 161.97 g/mol) is dissolved in 100.0 mL of water. Assuming the solution has a density of 1.00 g/mL, what is the concentration of Na (MW = 22.9898 g/mol) i…

3.7 If a constant release of a gaseous low-level radioactive isotope from a medi

3.7 If a constant release of a gaseous low-level radioactive isotope from a medical facility is allowed, what would be the acceptable release rate (in terms of millirem/h) given t…

3.782 g of a substance (containing only C, H, and O) is burned in a combustion a

3.782 g of a substance (containing only C, H, and O) is burned in a combustion analysis apparatus. The mass of CO2 produced is 4.160 g, and the mass of H2O produced is 1.135 g. Wh…

3.83 Calculate the ratio [PbT^-]/[HT^2-] for NTA in equilibrium with PbCO_3 in a

3.83 Calculate the ratio [PbT^-]/[HT^2-] for NTA in equilibrium with PbCO_3 in a medium having [HCO_3^-] = 3.00 Times 10^-3 M (See equation 3.83 for this reactions K value). What …

3.A corrupt barman attempts to prepare 100.0 cm2 of a drink by mixing 30.0 cm\'

3.A corrupt barman attempts to prepare 100.0 cm2 of a drink by mixing 30.0 cm' of ethanol with 70.0 cm'of water at 25 °C. What volumes should have been mixed in order to arrive at…

3.A process plant with al inputs and outputs is illustrated in Figure Q3 SATURAT

3.A process plant with al inputs and outputs is illustrated in Figure Q3 SATURATED WATER VAPOUR 100 C TO OUT-OF-SPEC PRODUCT WITH HIGH ORGANIC CONTENT TO LANDFILL MATERIALS WATER …