Chemistry concepts and calculations

What is not a right explanation for the reaction occur? Energy provided, which i

What is not a right explanation for the reaction occur? Energy provided, which is higher than activation energy b) No collision between the reactants molecules c) Good stirring fo…

What is nylon 6 composed of? What is nylon 66 composed of? What is polyester? Po

What is nylon 6 composed of? What is nylon 66 composed of? What is polyester? Polypropylene? Polyethylene? Polyacronitrile? What are the structural parameters that characterize th…

What is one of the major products in the electrolysis of a concentrated aqueous

What is one of the major products in the electrolysis of a concentrated aqueous sodium chloride solution? Reduction Half-Reaction E° (V) Na+(aq) + e– --> Na(s) –2.71 Mg2+(aq) +…

What is overcome to melt a molecular solid? What is overcome to melt an ionic so

What is overcome to melt a molecular solid? What is overcome to melt an ionic solid? How does this help explain why the melting points of ionic compounds are very high while the m…

What is oxidized and reduced in the following reactions? What is the oxidation a

What is oxidized and reduced in the following reactions? What is the oxidation agent and the reducing agent? Which one releases electrons and receives electrons? How many electron…

What is pH and how can we measure pH? Assuming complete ionization, calculate: t

What is pH and how can we measure pH? Assuming complete ionization, calculate: the pH of 0.0001M HCI the pOH of 0.0001 M KOH the pH of 0.0001 M KOH the pH of 0.1M Ca(OH)_2 the pOH…

What is ppm in grams? Also, if one needs to inject 450ppm of CO2 into a tank, fr

What is ppm in grams? Also, if one needs to inject 450ppm of CO2 into a tank, from CaCO3 CaCO3 + 2HCl --> CaCl2 + H2O + CO2 Can one please use British units and not american on…

What is present in solution? What is the gas? How do you know? What are you remo

What is present in solution? What is the gas? How do you know? What are you removing by washing? What color is your copper sample? Is it uniform in appearance? Name Date Desk Labo…

What is presented before the arrow in a chemical reaction? O catalysts O the rea

What is presented before the arrow in a chemical reaction? O catalysts O the reaction mechanism products O reactants Submit Hints My Answers Give Up Review Part Part B What does t…

What is pressure? Pressure is the force exerted per unit time by gas molecules a

What is pressure? Pressure is the force exerted per unit time by gas molecules as they strike the surfaces around them Pressure is the force exerted per unit area by gas molecules…

What is printed by running the DoSomething class? public class Figure { public v

What is printed by running the DoSomething class? public class Figure { public void display() { System.out.print("Figure"); } public void display(String s) { System.out.print("Fig…

What is q 2 ? What is q 3 ? What is q 4 ? What is q 5 ? 2-Fluoropentane can be d

What is q2? What is q3? What is q4? What is q5? 2-Fluoropentane can be dehalogenated through a series of two reactions. The first reaction occurs with 20.0% excess sodium hydroxid…

What is really going on in solution is, of course, much more complex than this.

What is really going on in solution is, of course, much more complex than this. reactions rarely go to completion. Instead, they tend to be reversible and go both forwards and bac…

What is represented by the green plot in the graph? The green plot is the differ

What is represented by the green plot in the graph? The green plot is the difference of the two red plots representing atomic orbitals. The green plot is the difference of the two…

What is responsible for the colors that are seen in the flame tests? Explain. Wr

What is responsible for the colors that are seen in the flame tests? Explain. Write net ionic equations for positive tests for chloride and ammonium ions. Use the Internet to find…

What is reverse osmosis? A. the application, to a concentrated solution, of a pr

What is reverse osmosis? A. the application, to a concentrated solution, of a pressure that is greater than the osmotic pressure, such that solvent flows from the concentrated sol…

What is so interesting about the atomic emission and absorption spectra for Hydr

What is so interesting about the atomic emission and absorption spectra for Hydrogen? Hydrogen atoms absorb the same energies that they emit The wavelengths emitted and absorbed a…

What is temperature 1 in degrees celsius? What is temperature 2 in degrees celsi

What is temperature 1 in degrees celsius? What is temperature 2 in degrees celsius? Americans are the only people in the world who do not use the Celsius scale. On the Celsius sca…

What is teratogen? For which of the chemicals you will use in this experiment ha

What is teratogen? For which of the chemicals you will use in this experiment have teratogenic effects been observed in toxicity studies? (... just in case this is not part of you…

What is the % (m/m) of MgO In a solid sample if 0.500 g of this sample in soluti

What is the % (m/m) of MgO In a solid sample if 0.500 g of this sample in solution are point using 35.0 mL of EDTA 0.250 M. Consider the reaction below and the table reporting dat…

What is the % by mass of Mg2+(aq) in the 0.00500 M MgCl2(aq) solution from Quest

What is the % by mass of Mg2+(aq) in the 0.00500 M MgCl2(aq) solution from Question 1(Molarity of Mg+2 = 0.00500 M). Assume the solution density is 1.0 g/mL, like water. (3 signif…

What is the % yield when 4.00 g of H 2 (g)reacts with 45.0 g of N 2 (g) and form

What is the % yield when 4.00 g of H2(g)reacts with 45.0 g of N2(g) and forms 20.0 g ofNH3(g)? What is the % yield when 4.00 g of H2(g)reacts with 45.0 g of N2(g) and forms 20.0 g…

What is the - Purpose for this experiment and why is it a greener experiment com

What is the - Purpose for this experiment and why is it a greener experiment compared to traditional ? - Theoretical yield and atom economy Compare the “greenness’ of this procedu…

What is the - Purpose for this experiment and why is it a greener experiment? -

What is the - Purpose for this experiment and why is it a greener experiment? - Balanced Equation for this experiment? - Mechanism for this experiment? - Theoretical yield and ato…

What is the 1.U.P.A.C. name of thereaction of excess Br2 with the following comp

What is the 1.U.P.A.C. name of thereaction of excess Br2 with the following compound ? CH3 - CH3 - CH3 - C = C - CH3 2,2,3,3 tetrabromohexane 1,1,2,2-tetrabromopenane 4,4,5,5 tetr…

What is the Big O for each of the following code? 1 for ( i = 0; i < n; i ++ ) {

What is the Big O for each of the following code? 1 for ( i = 0; i < n; i ++ ) { j += i; } 2. for ( k = n; k > 0; k-- ) { j = k…

What is the Big O notation for this function? And Why? (Detailed explanation) in

What is the Big O notation for this function? And Why? (Detailed explanation) int Max_Subsequence_Sum_GREEN(const int A[], const int N) // GREEN { int This_Sum = 0, Max_Sum = 0…

What is the Big-O notation for this java code? (Running time and space analysis.

What is the Big-O notation for this java code? (Running time and space analysis.) Provide a small descriprion to support the notation. 3. Provide the big-O notation for the runnin…

What is the Bom-Oppenheimer approximation? Assuming nuclear and electronic motio

What is the Bom-Oppenheimer approximation? Assuming nuclear and electronic motions to be decoupled so that electronic energies can be computed for fixed nuclear positions Assuming…

What is the Data Structure of the following Program? Also Answer the following q

What is the Data Structure of the following Program? Also Answer the following questions: How might a function work that identifies the intersection of two Sets? #include<iostr…

What is the Delta G degree_rxn for the precipitation of BaCI_2 (write the net io

What is the Delta G degree_rxn for the precipitation of BaCI_2 (write the net ionic equation as well). b.) How does the Delta G degree_rxn above support or not support the net ion…

What is the Delta G_rxn for the reaction given: CJ_4(g) + 2O_2(g)) CO_2(g) + 2H_

What is the Delta G_rxn for the reaction given: CJ_4(g) + 2O_2(g)) CO_2(g) + 2H_2O(g) a. 50.8 kJ/mol b.-751 kJ/mol c. -113 kJ/mol d. -115 kJ/mol e. -807 kJ/mol Determine Delta G_r…

What is the FORMULA for the limiting reagent? What amount of the excess reagent

What is the FORMULA for the limiting reagent? What amount of the excess reagent remains after the reaction is complete? For the following reaction, 15.4 grams of magnesium nitride…

What is the Gibbs Free Energy change for the reaction C_3 H_g (g) + 5O_2 rightar

What is the Gibbs Free Energy change for the reaction C_3 H_g (g) + 5O_2 rightarrow 3 CO_2 (g) + 4H_2 O(t) (A) -2111 kJ (B) (C) -108, 932 kJ (D) For which should Delta H degree an…

What is the H3O+ concentration to the correct number of significant figures for

What is the H3O+ concentration to the correct number of significant figures for solutions with the following pH values? pH = 8.8 pH = 7.16 pH = -0.3 pH = 15.2 pH = 2.49 …

What is the H\" ion concentration in a 2.1 times 10^-2 M KOH solution? A) 4.8 ti

What is the H" ion concentration in a 2.1 times 10^-2 M KOH solution? A) 4.8 times 10^-2 B) 1.0 times 10^-2 M C) 4.8 times 10^-11 M D) 4.8 times 10^-12 M E) 2.1 times 10^-13 M A f…

What is the IUPAC name for the compound below? (a) 1, 2, 3-trimethyl-1 -pentanal

What is the IUPAC name for the compound below? (a) 1, 2, 3-trimethyl-1 -pentanal (b) 3-(1-methylpropyl)-2-butanone (c) 3, 4-dimethyl-2-hexanone (d) 4-ethyl-3, 4-dimethyl-2-pentano…

What is the IUPAC name for the compound below? 1, 2, 3-trimethyl-1-pentanal 3-(1

What is the IUPAC name for the compound below? 1, 2, 3-trimethyl-1-pentanal 3-(1-methylpropyl)-2-butanone 3,4-dimethyl-2-hexanone 4-ethyl-3, 4-dimethyl-2-pentanone Which one of th…

What is the IUPAC name for the compound shown below? Which term best describes t

What is the IUPAC name for the compound shown below? Which term best describes the compound shown above? Assume it's planar. 12. What is the IUPAC name for the compound shown belo…

What is the IUPAC name for the compound shown? -i think its either D or E but I

What is the IUPAC name for the compound shown? -i think its either D or E but I would like an explaination please a. 1,1-(4-Chlorophenylbromo)propane carboxylic acid b. 1-Bromo-1-…

What is the IUPAC name for the following compound? 4-isopropyl-3, 4-dimethyl-2-b

What is the IUPAC name for the following compound? 4-isopropyl-3, 4-dimethyl-2-butanol 2, 3, 4-trimethyl-4-pentanol 1, 1, 2, 3-tetramethy1-4-pentanol 3, 4, 5-trimethyl-2-hexanol 3…

What is the IUPAC name for the following compound? Select one: 4-chloro-4-isopro

What is the IUPAC name for the following compound? Select one: 4-chloro-4-isopropyl-3-methylbutanoic acid 4-chloro-3-ethylhexanoic acid 3-chloro-2,4-dimethylhexanoic acid 4-chloro…

What is the IUPAC name for the following compounds A) 2-methylbutyl 3-methylbsta

What is the IUPAC name for the following compounds A) 2-methylbutyl 3-methylbstanote B) 3-methylbutyl 3-methylbstanote C) 2-methylbutyl isovalerate D) 2-methylbutyl 2-methylbutano…

What is the IUPAC name for the following molecule? a. 6-Chloro-3, 5-diethylhelpt

What is the IUPAC name for the following molecule? a. 6-Chloro-3, 5-diethylhelptanoic acid b. 6-Chloro-3, 5-diethyloctanoic acid c. 3-Chloro-4, 6-diethylheptanoic acid d. 1-Chloro…

What is the IUPAC name of the compound shown below? (1R, 4S)-1, 4- dichloro -1 -

What is the IUPAC name of the compound shown below? (1R, 4S)-1, 4- dichloro -1 - ethyl - 4 - methylcyclopentane (1S, 3R) -1, 3 - dichloro - 3 - ethyl -1 - methylcyclopentane (1R, …

What is the IUPAC name of the following compound? 2-ethyl-2-tertbutylethan-1-ol

What is the IUPAC name of the following compound? 2-ethyl-2-tertbutylethan-1-ol 2-ethyl-3, 3-dimethylbutan-2-ol 2, 2, 3-trimethylpentan-3-ol 1, 1, 1 -trimethyl-2-butanol Phenol, P…

What is the IUPAC name of the following compound? 2-ethylbutane 2-methyl-2-cthyl

What is the IUPAC name of the following compound? 2-ethylbutane 2-methyl-2-cthylpropane 3-methylpentane trimethyIpropane 2-methyl-dicthylmethane The following reaction is exotherm…

What is the IUPAC name of the following compound? What is the IUPAC name of the

What is the IUPAC name of the following compound? What is the IUPAC name of the following? What is the IUPAC name of the following? The correct name of the following compound is A…

What is the IUPAC name of the following compound? a) 3-methyl-2-pentanol b) 2-me

What is the IUPAC name of the following compound? a) 3-methyl-2-pentanol b) 2-methyl-3-butanol c) 3, 3-dimethyl-2-propanol d) 1, 1-dimethyl 2-propanol e) 3-methyl-2-butanol What i…

What is the IUPAC name of the following compound? bicyclo[6.2]oct-2-ene bicyclo[

What is the IUPAC name of the following compound? bicyclo[6.2]oct-2-ene bicyclo[4.4.4]oct-2-ene bicyclo[2.2.2]-2 octene bicyclo[2.2]-2-octene bicyclo[2.2.2]-2-hexene What is the I…

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