Chemistry concepts and calculations

6. Examine the following four amino acids (I, I,II,Iv) and answer the following

6. Examine the following four amino acids (I, I,II,Iv) and answer the following questions a) (8 pts) What are the three-letter abbreviation codes for amino acids 1-HV? NH, b) (4 p…

6. Explain in detail why the ground state electronic configuration does not expl

6. Explain in detail why the ground state electronic configuration does not explain the bonding in methane, ethene (or ethylene) and ehyne (or acetylene)!! 7. For the reactionHCN+…

6. Explain why you switched solvents while running the column. To answer this qu

6. Explain why you switched solvents while running the column. To answer this question, answer parts (a) and (b) (a) What would have happened if you used hexanes for the entire du…

6. Find the number of atoms in 3.8mg of NaPO? 5 pts 7. A 95.0-g sample of Fe0s r

6. Find the number of atoms in 3.8mg of NaPO? 5 pts 7. A 95.0-g sample of Fe0s reacts with Oz to produce FeOs: Determine the number of g of Fe Os produced. b. If the % yield of Fe…

6. For each question below, idenily the one substrate that reacts the jastest wh

6. For each question below, idenily the one substrate that reacts the jastest when treated with hydrochloric acid at room temperature A 3,3-Dimethylpentanol C2-Methyl-2-hexanol B …

6. For the conversion of reactant A to product B, the change in enthalpy is 80 i

6. For the conversion of reactant A to product B, the change in enthalpy is 80 id/moll and the change in entropy is 40 JK mol. Below what temperature (in Celsius) does the reactio…

6. For the conversion of reactant A to product B, the change in enthalpy is 80 i

6. For the conversion of reactant A to product B, the change in enthalpy is 80 id/moll and the change in entropy is 40 JK mol. Below what temperature (in Celsius) does the reactio…

6. For the following pseudo-code for i 1 to n for j 1 to i fork- 1 to j print \"

6. For the following pseudo-code for i 1 to n for j 1 to i fork- 1 to j print "Hello world" (a) Exactly how many times is the print statement on line 4 executed? Your answer shoul…

6. From the supplied definition pool, indicate the letter corresponding to the c

6. From the supplied definition pool, indicate the letter corresponding to the closest appropriate definitions of the following terms Coulomb's law Electric charge Capacitance Cou…

6. Gas Law: Automobile Air Bags 6. Calculate the volume occupied by 25.2 g of Co

6. Gas Law: Automobile Air Bags 6. Calculate the volume occupied by 25.2 g of CoO: at 0.84 atm and 25 C (R-0.08206 L atm/K mol). 7. A sample of nitrogen gas is confined to a 14.0 …

6. Give two separate definitions of the Michaelis constant. Discuss what each te

6. Give two separate definitions of the Michaelis constant. Discuss what each tells you about the reaction it describes K the Michaelis constant, is the ratio (k kz)/k It is also …

6. Given the electrochemical cell Nio | Ni2+ || Ag+ | Ago at 25.0 oC Half-cell r

6. Given the electrochemical cell Nio | Ni2+ || Ag+ | Ago at 25.0 oC     Half-cell reaction                                                             Reduction 0 E cell (V) Ni2+…

6. Given the following balanced equation, determine the rate of reaction with re

6. Given the following balanced equation, determine the rate of reaction with respect to [2 N2(g) + 3 H2(g) 2 NH2(g) 14 a. Rate-+ 3 At b Rate 3 At 341H21 [H2] c. Rate=- 34[H2 d. R…

6. Given the following balanced equation, determine the rate of reaction with re

6. Given the following balanced equation, determine the rate of reaction with respect to [2 N2(g) + 3 H2(g) 2 NH2(g) 14 a. Rate-+ 3 At b Rate 3 At 341H21 [H2] c. Rate=- 34[H2 d. R…

6. Given the solubility chart for salts from your class notes (ppt), determine w

6. Given the solubility chart for salts from your class notes (ppt), determine whether each solution listed is saturated, unsaturated, or supersaturated. 30g KCl in 100g water at …

6. Hans Gruber reports that he collected a sample of ethanol from his distillati

6. Hans Gruber reports that he collected a sample of ethanol from his distillation with a density of 0.798 g/mL and a purity of 97.2%. Why is this data certainly wrong? A mass of …

6. How do the two molarities compare? What could explain any discrepancies? Whic

6. How do the two molarities compare? What could explain any discrepancies? Which calculated molarity is more accurate? 5. An alternative way of calculating the molarity of the HC…

6. How many Ml of 12.0M HCl is needed to prepare 300mL of0.250M HCl solution? I

6. How many Ml of 12.0M HCl is needed to prepare 300mL of0.250M HCl solution?          I tried to figureout the moles in 300mL of 0.250M sol, but not sure if that's evenreq'd. ans…

6. How many grams of CaCO 3 are present in a sample if there are 4.52 x 10 24 at

6. How many grams of CaCO3 are present in a sample if there are 4.52 x 1024 atoms of carbon in that sample? 7. The empirical formula of an unknown substance is HSO4. If the molecu…

6. How many ml. o ra 0.465 M BaCl, soce are needed to react with 200 m ot a 0 62

6. How many ml. o ra 0.465 M BaCl, soce are needed to react with 200 m ot a 0 620 M Napo, solution in the metathesis reaction h krw·Answer 3 BaCl (a)Na,PO, (a) Part III Chapter 5 …

6. How much acid should you pipet into the Styrofoam cup? 7. You have come to a

6. How much acid should you pipet into the Styrofoam cup? 7. You have come to a job interview for a summer internship. You are taken to the lab area and the supervisor asks one qu…

6. How would the freezing and boiling points of distilled water and seawater com

6. How would the freezing and boiling points of distilled water and seawater compare? a. Both the freezing and boiling points of seawater would be lower. b. Both the freezing and …

6. However, you are skeptical and suspect a hoax- that the orange color might si

6. However, you are skeptical and suspect a hoax- that the orange color might simply be from some type of food dye. Since you have recently examined some of the antioxidants found…

6. If 8.00 moles H2 are to be reacted, how many moles of O2 are needed for stoic

6. If 8.00 moles H2 are to be reacted, how many moles of O2 are needed for stoichiometric equivalence? Consider the following reaction for questions 7-8 4Fe+3O2 2Fe:03 7. To form …

6. If the reaction proceeds in the direction given, identify the acid, base, con

6. If the reaction proceeds in the direction given, identify the acid, base, conjugate acid, and conjugate base: aiaNH, H3C H3C IV A. Compound l: Acid, Compound Il: Base, Compound…

6. If you have a density of 100 kg/L,, tell me the following: First what are the

6. If you have a density of 100 kg/L,, tell me the following: First what are the mass units?. Secondly, what is the volume? 7. 100 grams of a liquid completely fill a 200 mL. bott…

6. If you make an ammonium phosphate (NH4 3PO) solution, will it be acidic or ba

6. If you make an ammonium phosphate (NH4 3PO) solution, will it be acidic or basic? Calculate pH of 0.01 M ammonium phosphate solution. 7. The following chart shows initial react…

6. In a liquid a. the particles are free to move and interact. b. the particles

6. In a liquid a. the particles are free to move and interact. b. the particles are free to move and don't interact c. the particles vibrate only and don't interact d. the particl…

6. In compressing a system at constant pressure, the work done on the system is

6. In compressing a system at constant pressure, the work done on the system is P times AV, where AV -Vfinal -Vntial. In calculating the change in internal energy by using the equ…

6. In part C you prepared two buffer solutions using acetic acid and sodium acet

6. In part C you prepared two buffer solutions using acetic acid and sodium acetate. Why are two solutions required, and what is common to both these solutions? 7. Identify whic h…

6. In quantum mechanics, an atomic orbital the space around an atomic a. provide

6. In quantum mechanics, an atomic orbital the space around an atomic a. provides the probability of finding an electron at any point in nucleus. b. locates all the electrons in a…

6. In the combined algorithm for a single determination of the ppm of CaCO, in e

6. In the combined algorithm for a single determination of the ppm of CaCO, in experiment 2 is represented by the following equation: (lo experimcombine (10) 0.5000 g × 0.9987 pur…

6. In the following class Shape, the data members are integers and some function

6.   In the following class Shape, the data members are integers and some function members return an integer value. rewrite the template class below: class Shape {     private:   …

6. In the laboratory, you place a few drops of aqueous magnesium nitrate into th

6. In the laboratory, you place a few drops of aqueous magnesium nitrate into three wells in a well plate. To the first well, you add a few drops of magnesium chloride. To the wel…

6. In the molecular weight determination by the Dumas method, as ilustrated belo

6. In the molecular weight determination by the Dumas method, as ilustrated below. several grams of an organic liquid were drawn into the bulb. The bulb was a water bath at 87°C a…

6. Iodine crystals dissolve in hexane more readily than in water. However, if th

6. Iodine crystals dissolve in hexane more readily than in water. However, if the iodine crystals are left in the water for an extended time period, they will dissolve at the inte…

6. Iodine crystals dissolve in hexane more readily than in water. However, if th

6. Iodine crystals dissolve in hexane more readily than in water. However, if the iodine crystals are left in the water for an extended time period, they will dissolve at the inte…

6. Isotopes of a given element have the same number of , but different numbers o

6. Isotopes of a given element have the same number of , but different numbers of in their nucleus. a. neutrons, electrons b. electrons, protons c. protons, electrons d. protons, …

6. Know the general behavior of adsorption of the following elements: S, P, N, F

6. Know the general behavior of adsorption of the following elements: S, P, N, Fe, Cu, Zn, Pb, Ca, Na, K, Mg, Se, As, Cl. Start with their molecular form… cation or anion. 7. What…

6. MIXING A radial flow impeller (disc turbine) is used for mixing glycerol and

6. MIXING A radial flow impeller (disc turbine) is used for mixing glycerol and water with the final mixture volume of 3000 L Find the diameter and height of the tank. For the gly…

6. MIXING A radial flow impeller (disc turbine) is used for mixing glycerol and

6. MIXING A radial flow impeller (disc turbine) is used for mixing glycerol and water with the final mixture volume of 3000 L Find the diameter and height of the tank. For the gly…

6. MOLE CONCEPT Find the formula mass of each of the following substances a. Lit

6. MOLE CONCEPT Find the formula mass of each of the following substances a. Lithium chloride b. Aluminum carbonate 1. 2. How many atoms are in each of the following? a. 7.75 mole…

6. Make the following changes to the program. a. Implement the ActionListener in

6. Make the following changes to the program. a. Implement the ActionListener in the class header. b. Change the names of the Buttons to Red,Yellow, Cyan, Magenta, and White.Add t…

6. Metabolism is the chemical process that involves the extraction of chemical e

6. Metabolism is the chemical process that involves the extraction of chemical energy from sugars and fats. One such reaction is: C6H12O6 + 6O2 6CO2 + 6H2O, Go = -2870 kJ Some of …

6. MixColumns (25 points) This step is the same as the MixColumns step in the AE

6. MixColumns (25 points) This step is the same as the MixColumns step in the AES encryption. It diffuses the data. The transformation is performed by multiplying the so called ci…

6. Na2SO4 is an electrolyte. The dissolution of Na2SO4 in water can be described

6. Na2SO4 is an electrolyte. The dissolution of Na2SO4 in water can be described by the chemical equation given below Na2SO4 (s)-> 2Na + (aq) + SO42-(aq) a) Solution A is ade b…

6. Na2SO4 is an electrolyte. The dissolution of Na2SO4 in water can be described

6. Na2SO4 is an electrolyte. The dissolution of Na2SO4 in water can be described by the chemical equation given below Na2SO4 (s)-> 2Na + (aq) + SO42-(aq) a) Solution A is ade b…

6. Natural gas, or methane, is an important fuel. Combustion of one mole of meth

6. Natural gas, or methane, is an important fuel. Combustion of one mole of methane releases 802.3 kilojoules of energy. How much energy does that represent in kilocalories? A. 19…

6. Nitric oxide, an important pollutant in air, is formed from the elements nitr

6. Nitric oxide, an important pollutant in air, is formed from the elements nitrogen and oxygen at high temperatures, such as those obtained when gasoline burns in an automobile e…

6. Oil does not dissolve in water because A) oil is polar B) oil is nonpolar C)

6. Oil does not dissolve in water because A) oil is polar B) oil is nonpolar C) water is nonpolar D) water is saturated E) oil is hydrated 7. When KCl dissolves in water- , A) the…