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Chemistry concepts and calculations

117302 questions • Page 1976 / 2347

What is the role of the electrons that are found within the valence band of a cr
What is the role of the electrons that are found within the valence band of a crystalline solid? options: These electrons contribute to electrical conductivity of the solid. These…
What is the role of the electrons that are found within the valence band of a cr
What is the role of the electrons that are found within the valence band of a crystalline solid? options: These electrons contribute to electrical conductivity of the solid. These…
What is the role served by the distal histidine in haemoglobin? The distal histi
What is the role served by the distal histidine in haemoglobin? The distal histidine binds in an axial site and ensures the Fe remains in a low- spin state. The distal histidine s…
What is the salt used as support for IR? What is the support used for analyze li
What is the salt used as support for IR? What is the support used for analyze liquid samples using IR? Why should you not use water to clean the IR plates for liquid samples? How …
What is the saturation temperature of the salt when 4.00 g of KI is dissolved in
What is the saturation temperature of the salt when 4.00 g of KI is dissolved in 3.00 mL of water? Studying the Rate of Reaction of Potassium Permanganate and Oxalic Acid 5.00 mL …
What is the sequence for the following HEXAPEPTIDE? be sure to provide WORK/ANSW
What is the sequence for the following HEXAPEPTIDE? be sure to provide WORK/ANSWER for Points B-F! Observations from Sequencing Experiments amino acid content: Y, R, M, K, G, D B.…
What is the sequence of the products of the oligopeptide Ala-Gly-Ser-Gly-Arg-Ser
What is the sequence of the products of the oligopeptide Ala-Gly-Ser-Gly-Arg-Ser-Ala-Lys-Gly-Ala-Ser-Asp? Urokinase-type Plasminogen Activator (nPa) is a serine endopeptidase. The…
What is the shape of a CO_2 molecule linear T-shape trigonal pyramidal bent If a
What is the shape of a CO_2 molecule linear T-shape trigonal pyramidal bent If a central atom is making 5 bonds with 5 other atoms, what is the orbital hybridization of that cente…
What is the sign of Delta H (system) and Delta S (system) if a chemical reaction
What is the sign of Delta H (system) and Delta S (system) if a chemical reaction is spontaneous at all temperatures under standard conditions? a. Delta H (system) is negative, and…
What is the size and volume of a small. clean test tube\"? Experimental Procedur
What is the size and volume of a small. clean test tube"? Experimental Procedure. Pan A.2. Describe the technique for testing the odder of a chemical Identify it least five Observ…
What is the skeleton, Chemical equations , complete ionic and net ionic equation
What is the skeleton, Chemical equations , complete ionic and net ionic equations of each of these reactions: A) iron(s)+flourine(g)----iron (III) flouride(s)             b)sulfur…
What is the solubairy product expression for Fe_p(CO_2)_3 A) K_sp = [2Fe^3-][3CO
What is the solubairy product expression for Fe_p(CO_2)_3 A) K_sp = [2Fe^3-][3CO^2-_3] B) K_sp = [2Fe^3-]^2[3CO^2-_3]^3 K_sp = [2Fe^3-]^2[CO^2-_3]^3 D) K_sp = [2Fe^3-]^2[CO^2-_3]^…
What is the solubility (in g/L) of silver(l) iodide. Agl, at 25 degree C? The so
What is the solubility (in g/L) of silver(l) iodide. Agl, at 25 degree C? The solubility product constant for silver(l) iodide is 8.3 times 10^-17 at 25 degree C. A. 1.9 times 1^-…
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real behavior?
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real behavior?
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real behavior?
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real behavior?
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real behavior?
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real behavior?
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real behavior?
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real behavior?
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real behavior?
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real behavior?
What is the solubility of Mg(OH)2 in an aqueous solution buffered to a pH of 13.
What is the solubility of Mg(OH)2 in an aqueous solution buffered to a pH of 13.13? The Ksp of Mg(OH)2 is 1.8 x 10-11. Hint: Determine the [OH-] from the pH then deal with solubil…
What is the solubility product, Ksp of Mg(OH) 2 ifits solubility in water is 1.6
What is the solubility product, Ksp of Mg(OH)2 ifits solubility in water is 1.6 x 10-4 mol *L-1? A. 1.6 x 10-11 B. 2.6 x 10-8 C. 3.2 x 10-4 D. 4.1 x 10-12 Please EXPLAIN youranswe…
What is the solubility, S, of calcium hydroxide, Ca(OH)2, if Kpfor Ca(OH)2 is 6.
What is the solubility, S, of calcium hydroxide, Ca(OH)2, if Kpfor Ca(OH)2 is 6.5x10-6? O a 1.2 x 102M b. 22 x10-2 M O c. 2.5 x 10-3 M O d. 2.5 x 10-2 M Select one: o a 3N2(e)+4H2…
What is the solubitity equillibrium equation for CaF2 (a sparingly soluble salt)
What is the solubitity equillibrium equation for CaF2 (a sparingly soluble salt)? What is the ecpression for CaF2? For the next three (3) questions, the Ksp of Ag2CO3 is determine…
What is the solute in a solution made by mixing 10 mL of methanol and 50 mL of w
What is the solute in a solution made by mixing 10 mL of methanol and 50 mL of water? acetone water methanol ethanol 5 points    QUESTION 2 How much more acidic is a solution of p…
What is the solution to A-E? The gas-phase conversion of 1,3 butadiene to 1,5-cy
What is the solution to A-E? The gas-phase conversion of 1,3 butadiene to 1,5-cyclooctadiene, 2C_4 H_6 rightarrow C_8 H_12 was studied, providing data for the plot shown below, of…
What is the solution to this problem? Thanks! What is the solution to this probl
What is the solution to this problem? Thanks! What is the solution to this problem? 2. (10 points) You are asked to sort a set of numbers using a Max Priority Queue. The data will…
What is the solution to this problem? Thanks! https://dl.dropboxusercontent.com/
What is the solution to this problem? Thanks! https://dl.dropboxusercontent.com/u/43063384/20150423_235637-1.jpg A route is using diffserv as a Quality of Service Support. The typ…
What is the specific heat of a metal if addition of 80.0 g of the metal at 24.0
What is the specific heat of a metal if addition of 80.0 g of the metal at 24.0 degrees Celsius to 170.0 g of Cu (s= .38 J/g-c) at 266.4 degrees Celsius produces a mixture that re…
What is the specific heat of aluminum if the temperature of a 30.0 g sample of a
What is the specific heat of aluminum if the temperature of a 30.0 g sample of a aluminum is increased by 20 degree C when 100 J of heat is added? What is the specific heat of sil…
What is the spot rate for year 4 and year 5 using the programming language? Guid
What is the spot rate for year 4 and year 5 using the programming language? Guidelines -Please use Excel from your computer. -Please use language programming to solve the question…
What is the standard Gibbs free energy for this reaction? Assume the commonly us
What is the standard Gibbs free energy for this reaction? Assume the commonly used standard reference temperature of 298 K. The chemical reaction that causes magnesium to corrode …
What is the standard cell potential for this electrochemical cell? It consists t
What is the standard cell potential for this electrochemical cell? It consists two compartments, labeled C1 and C2. The temperature si 298 K. C1 consists of a copper metal electro…
What is the standard cell potential obtained from a cell at 25 degree C that con
What is the standard cell potential obtained from a cell at 25 degree C that consists of one electrode in which aqueous mercury (I) ion is in contact with mercury metal when the o…
What is the standard cell potential of this photovoltaic cell? Answer is given b
What is the standard cell potential of this photovoltaic cell? Answer is given but would like to know equations/steps used. 1. The reaction of iron metal with aqueous copper(l) su…
What is the standard cell potential, E°, for thisreaction? Standard ReductionPot
What is the standard cell potential, E°, for thisreaction?                           Standard ReductionPotentials                               E°                             Mn2+…
What is the standard change im Gibbs energy for the reaction, as written, in the
What is the standard change im Gibbs energy for the reaction, as written, in the forward direction? What is the equilibrium constant? Substance(kJ/mol) M203 |-8.00 M(s) O2(g) Cons…
What is the standard deviation Compare the average standardized concentration wi
What is the standard deviation Compare the average standardized concentration with concentration of HNO3 reported in task 3 Norma 1 No spac... Heading 1 Heading 2 Font Paragraph I…
What is the standard enthalpy of formation of liquid diethylamine, (CH_3CH_2)_2N
What is the standard enthalpy of formation of liquid diethylamine, (CH_3CH_2)_2NH? N_2O_5(g) + 8CH_4?(g) rightarrow 2(CH_3CH_2)_2 NH(l) + 5H_2O(l); delta H degree = -1500 kJ Subst…
What is the standard heat of combustion of n heptane gas at 25 degree C if the c
What is the standard heat of combustion of n heptane gas at 25 degree C if the combustion produces water?^2 Determine the heat transfer (in J mol^-1) when water is heated in stead…
What is the statement that best characterizes the overall reaction rate?a) The d
What is the statement that best characterizes the overall reaction rate?a) The difference of the orders of each reactant minus the orders of each product. b) The sum of the orders…
What is the stereochemical configuration of the product(s) from the following S_
What is the stereochemical configuration of the product(s) from the following S_N2 reaction? R S a 50:50 mixture of R and S enantiomers neither R or S, since the product is achira…
What is the strongest attractive force that must be overcome in order to do the
What is the strongest attractive force that must be overcome in order to do the following: a) melt pure solid phosphorus pentachloride b) boil pure liquid selenium tetrafluoride c…
What is the strongest attractive force that must be overcome in order to do the
What is the strongestattractive force that must be overcome in order to do the following: a) melt pure solid phosphorus pentachloride b) boil pure liquid selenium tetrafluoride c)…
What is the strongest attractive force that must be overcome in order to do the
What is the strongest attractive force that must be overcome in order to do the following: a) melt pure solid phosphorus pentachloride b) boil pure liquid selenium tetrafluoride c…
What is the strongest attractive force that must be overcome in order to do the
What is the strongestattractive force that must be overcome in order to do the following: a) melt pure solid phosphorus pentachloride b) boil pure liquid selenium tetrafluoride c)…
What is the strongest attractive force that must be overcome in order to do the
What is the strongest attractive force that must be overcome in order to do the following: a) melt pure solid phosphorus pentachloride b) boil pure liquid selenium tetrafluoride c…