Chemistry concepts and calculations

5. Find the solubility in water (grams per Liter) at 20°C for each of the follow

5. Find the solubility in water (grams per Liter) at 20°C for each of the following: a. NaHCO3-963 b. Na CO c. CaCl d. Ca(HCOsh e. CaCO Cite your source: 6. Find the commercial co…

5. Flue gas from a sugar mill furnace burning bagasse fibre in air contains 8.35

5. Flue gas from a sugar mill furnace burning bagasse fibre in air contains 8.35% CO2, 15.5% H2O, 0.55% 02 and 75.6%N2. 130kmol/min of the flue gas exits the furnace at 1300°C and…

5. For each of the organic or the lower (LL) when used to extract organic compou

5. For each of the organic or the lower (LL) when used to extract organic compounds from an aqueous layer. extraction solvents below, determine whether they would be the upper lay…

5. For the acid, base reaction shown below, complete the equation by filling in

5. For the acid, base reaction shown below, complete the equation by filling in the spaces with the conjugate acid calculate the equilibrium constant (K) for this reaction. CH4 ac…

5. For the next four problems, consider the task of representing types of ticket

5. For the next four problems, consider the task of representing types of tickets to campus events. Each ticket hasa unique number and a price. There are three types of tickets: w…

5. For the reaction 3 A +2B3 C. If the rate of production of C is 24.0 M/s, what

5. For the reaction 3 A +2B3 C. If the rate of production of C is 24.0 M/s, what is the rate of the reaction? a) 3.0 M/s b) 72.0 M/s c 8.00 M/s d) 24.0 M/s 6. The reaction A produ…

5. For the reaction 3 A +2B3 C. If the rate of production of C is 24.0 M/s, what

5. For the reaction 3 A +2B3 C. If the rate of production of C is 24.0 M/s, what is the rate of the reaction? a) 3.0 M/s b) 72.0 M/s c 8.00 M/s d) 24.0 M/s 6. The reaction A produ…

5. For the reaction: heat + N2O(g) 2NO2(g) K= [NO2)^2 [N2O] As temperature incre

5. For the reaction: heat + N2O(g) 2NO2(g) K= [NO2)^2 [N2O] As temperature increases, the equilibrium constant, K 6. The solid structure of some metals, like iron, Fe, can change …

5. Formulate an admissible and accurate heuristic for the \"Towers of Hanoi\' pr

5. Formulate an admissible and accurate heuristic for the "Towers of Hanoi' problem with three pegs and three rings as defined below. You must discuss and demonstrate the admissib…

5. From the information below, determine the mass of substance C that is formed

5.         From the information below, determine the mass of substance C that is formed if 45.0 g of substance A reacts with 23.0 g of substance B, assuming that the reaction betw…

5. Given that an aqueous solution of Co(HO), is pink and an aqueous solution of

5. Given that an aqueous solution of Co(HO), is pink and an aqueous solution of Co(NHL),2 + is blue, answer the following questions about an equilibrium system involving these cob…

5. Given that: give Calculate the 66.6 g of SO mass of AsS required to react wit

5. Given that: give Calculate the 66.6 g of SO mass of AsS required to react with excess O to 6, Given the following reaction, calculate the % AE. The major product is CeHNO Cl C&…

5. Given the following reaction at equilibrium, if K c = 6.14 x 10 5 at 230.0 °C

5. Given the following reaction at equilibrium, if Kc = 6.14 x 105 at 230.0 °C, Kp =------    2NO (g) + O2 (g) INCLUDEPICTURE "http://session.masteringchemistry.com/problemAsset/1…

5. Given the net ionic equation: HSO, SO,HO (aq) a) H.O is an acid and H,O is it

5. Given the net ionic equation: HSO, SO,HO (aq) a) H.O is an acid and H,O is its conjugate acid. d) H,O is a Lewis acid because it is a proton donor. e base e) HSO, is an acid an…

5. Guaiacol : mass = 3 *10 -3 mol * 124.14 g/mol = 0.372 g (since 1 mol = 10 3 m

5. Guaiacol: mass = 3 *10-3 mol * 124.14 g/mol = 0.372 g (since 1 mol = 103 mmol) Sodium hydroxde: equivalents = 0.84 / 0.672 = 1.25, mmol = 1.25 * 3 = 3.75, mass = 121.93 g/mol *…

5. Hemoglobin can take up 4 equivalents of oxygen. a) Please explain why K4 is s

5. Hemoglobin can take up 4 equivalents of oxygen. a) Please explain why K4 is significantly larger than K1? (1 point) b) Please explain what happens when an oxygen molecule binds…

5. How do you select noncontigous cells? Is the ability to select noncontiguous

5. How do you select noncontigous cells? Is the ability to select noncontiguous cells important to the effective use of Excel? If yes, why? If no, why make use of noncontiguous ce…

5. How many kJ of energy are required to change 1.00 m^3 of pure water by 1.0*C?

5. How many kJ of energy are required to change 1.00 m^3 of pure water by 1.0*C? Assume a perfect system. The specific heat of the water is 4.184 J/g*C. The density of water is 1.…

5. How would the following errors affect the calculation of mg of citric acid pr

5. How would the following errors affect the calculation of mg of citric acid present per mL of juice? Will it make the values too large or too small or no effect? Explain your an…

5. If identical amounts of heat are applied to 100 g of each of the substances l

5. If identical amounts of heat are applied to 100 g of each of the substances listed below, all initially at 25 C, which one will have the highest final temperature? Explain with…

5. If you perform a 1:4 dilution on 50 mM Tris base, what is the final concentra

5. If you perform a 1:4 dilution on 50 mM Tris base, what is the final concentration? 6. A student diluted 1ml of a stock solution (1M) of a compound with 9 ml of water Then took …

5. In a dilute nitric acid solution, Fe reacts with thiocyanate ion (SCN) to for

5. In a dilute nitric acid solution, Fe reacts with thiocyanate ion (SCN) to form a dark-red complex: The equilibrium concentration of [Fe(H2O)NCSmay be determinedby how darkly co…

5. In contrast to ibuprofen, aspirin is an irreversible inhibitor of PGH2 syntha

5. In contrast to ibuprofen, aspirin is an irreversible inhibitor of PGH2 synthase, reacting with a Ser residue in the active site. You have incubated 5 uM enzyme with 1 mM aspiri…

5. In order for chemist to be prepared for an experiment, they must understand h

5. In order for chemist to be prepared for an experiment, they must understand how to safely work with the substances involved. Even H,0 is hazardous when not treated with respect…

5. In oxymercuration/demercuration a water molecule is added across a C=C with M

5. In oxymercuration/demercuration a water molecule is added across a C=C with Markovnikov regiochemistry. Which statement is correct about the attack that occurs with the mercuri…

5. In part D, there are two sources of Ca2+ in the solution. The first part of t

5. In part D, there are two sources of Ca2+ in the solution. The first part of the Ca2+ comes from the CaCl2 solution and the other comes from the Ca(OH)2 dissolved from the origi…

5. In the Alien movies, the extraterrestrial species have body fluid that can di

5. In the Alien movies, the extraterrestrial species have body fluid that can dissolve metal, including a p's decks and possibly even its hull. Since strong acids can dissolve met…

5. In the BeF2 crystal structure you may expect to have: a. the fluoride ion sur

5. In the BeF2 crystal structure you may expect to have: a. the fluoride ion surrounded by beryllium ions due to the smaller size of the anion. b. the beryllium ion surrounded by …

5. In this experiment, several solvents will be available to you to determine th

5. In this experiment, several solvents will be available to you to determine the common iorn effect on solubility as well as the effect of dissolving in a solvent without any com…

5. In this experiment, you will prepare a standard solution for a calibration cu

5. In this experiment, you will prepare a standard solution for a calibration cur formation of FeSCN+ complex by reaction different volumes of 0.002M Fe(NO. 0.002 M NasCN. You wil…

5. Ion Ionic radius (pm) 74 100 135 Zn2+ Ca2+ Based on the data in the table abo

5. Ion Ionic radius (pm) 74 100 135 Zn2+ Ca2+ Based on the data in the table above, which of the following correctly predicts the relative strength of the attraction of Zn2, Ca2, …

5. Iron metal reacts with chlorine gas according to the following equation 2Fe(s

5. Iron metal reacts with chlorine gas according to the following equation 2Fe(s) +3Cl(g)->2FeCl(s) Ir 25.6 g each of iron and chlorine are combined, how much FeCl should form?…

5. Is the molecule allene planar or non-planar? What is the hybridization of eac

5. Is the molecule allene planar or non-planar? What is the hybridization of each of the carbon atoms in allene (in numerical order, the carbons are numbered below)? a. planar, sp…

5. It has been observed that a mosquitofish which live in drainage ditches of co

5. It has been observed that a mosquitofish which live in drainage ditches of cotton fields in the Mississippi Delta are greater than 1,000-times more resistant to the neurotoxic …

5. It might make it easier to understand the optimum range for absorbance measur

5. It might make it easier to understand the optimum range for absorbance measurements using the colorimeter (0.05 A 1.0) if you compare it to your eyes, your vision Sensor The an…

5. Joe Smith, an old-fashioned engineering student, believes that the boiling po

5. Joe Smith, an old-fashioned engineering student, believes that the boiling point of water is best suited for use as the reference point on temperature scales. Unhappy that the …

5. Laboratory 2 Review How does an increase in size and molecular weight alter t

5. Laboratory 2 Review How does an increase in size and molecular weight alter the boiling point of a liquid? How do intermolecular forces assuming similar molecular weight & …

5. List any problems with the followng set up. Clamg 6. The temperature at the h

5. List any problems with the followng set up. Clamg 6. The temperature at the head of a fractional distillation column was measured at selected times during the distillation of a…

5. Method cmp() in class homework_1 is used to compare two integer number. It is

5. Method cmp() in class homework_1 is used to compare two integer number. It is written in Java as bellow: public class homework_1{ public int cmp(int a, int b){             if(a…

5. Method cmp() in class homework_1 is used to compare two integer number. It is

5. Method cmp() in class homework_1 is used to compare two integer number. It is written in Java as bellow: public class homework_1{ public int cmp(int a, int b){             if(a…

5. Millikan’s oil drop experiment demonstrated which of the following (circle al

5.   Millikan’s oil drop experiment demonstrated which of the following (circle all that apply): A. Negative charge is quantized B. The mass of an electron is comparable to that o…

5. Multiple choice (2 points each) Ionic materials consist of positively charged

5. Multiple choice (2 points each) Ionic materials consist of positively charged atoms (cations) and negatively charged (anions). Thus, ionic materials are generally: A. Good elec…

5. Nicotinamide Coenzymes as Reversible Redox Carriers The nicotinamide coenzyme

5. Nicotinamide Coenzymes as Reversible Redox Carriers The nicotinamide coenzymes (see Fig. 13-24) can undergo reversible oxidation-reduction reactions with specific substrates in…

5. Of the following options, which would in the most E1 product when the substra

5. Of the following options, which would in the most E1 product when the substrate is an alcohol? Answer is B. Explain why. 6. Which of the following would have the fasted rate of…

5. On the basis of what happens on molecular level, why does evaporation lower t

5. On the basis of what happens on molecular level, why does evaporation lower the temperature of a liquid? Select all that apply. The molecules with low kinetic energy are the fi…

5. On the basis of what happens on molecular level, why does evaporation lower t

5. On the basis of what happens on molecular level, why does evaporation lower the temperature of a liquid? Select all that apply. The molecules with low kinetic energy are the fi…

5. Out on the Great Salt Lake, the brine in the large salt evaporation ponds mus

5. Out on the Great Salt Lake, the brine in the large salt evaporation ponds must be pumped through a series of different ponds, moving from one pond into the next when the sodium…

5. Papain is a cysteine protease of the peptidase C1 family that consists of a s

5. Papain is a cysteine protease of the peptidase C1 family that consists of a single polypeptide chain with three disulfide bridges and a sulfhydryl group necessary for activity …

5. Payroll Class Design a Payroll class that has fields for an employee?s name,

5. Payroll Class Design a Payroll class that has fields for an employee?s name, ID number, hourly pay rate, and number of hours worked. Write the appropriate accessor and mutator …

5. Phosphorus fertilizers are derived from phosphate rocks, called fluorapatite,

5. Phosphorus fertilizers are derived from phosphate rocks, called fluorapatite, Ca5(PO4)3F(s) . Fluorapatite is insoluble in water, so it must first be dissolved using excess sul…