Chemistry concepts and calculations
117302 questions • Page 2007 / 2347
When the half reaction H 2 C 2 O 4 2H 2 CO 3 is balanced in acid solution, there
When the half reaction H2C2O4 2H2CO3 is balanced in acid solution, there are: * a. 2 H+ on the left and 2 H2O on the left b. 2 H+ on the right and 2 H2O on the left c. 2 H+ on the…
When the heart pumps blood into the aorta, the pressure gradient-the difference
When the heart pumps blood into the aorta, the pressure gradient-the difference between the blood pressure inside the heart and the blood pressure in the artery-is an important di…
When the heart pumps blood into the aorta, the pressure gradient-the difference
When the heart pumps blood into the aorta, the pressure gradient-the difference between the blood pressure inside the heart and the blood pressure in the artery-is an important di…
When the hydrogen atomic 2p_x is acted upon by the operator for z-component of t
When the hydrogen atomic 2p_x is acted upon by the operator for z-component of the angular momentum L_z we find that.... Attached image. Since the answer is already provided, what…
When the indicator bromothymol blue (which can be representedby the formula HIn)
When the indicator bromothymol blue (which can be representedby the formula HIn) dissolves in water, the following dynamicequlibrium is set up HIn(aq) In- (aq) + H+(aq) yellow …
When the isotonic saline solution described in part A is connected to an unknown
When the isotonic saline solution described in part A is connected to an unknown solution via a semipermeable membrane, the unknown solution level drops. Based on this information…
When the method Increase Sales is called then the method calculateWeeklyPay is c
When the method Increase Sales is called then the method calculateWeeklyPay is called nothing is being outputted; from the main method, why? import employee.Employee; public class…
When the nuetron to proton ratio in a raditoactive isotope is higher than that r
When the nuetron to proton ratio in a raditoactive isotope is higher than that required for stability, it main gain greater stability by emitting 1. neutron radiation 2. positron …
When the oxidation of 9-fluorenol (white or colorless) is performed, the major p
When the oxidation of 9-fluorenol (white or colorless) is performed, the major product is 9-fluorenone. This is an illustration of the pattern of oxidation of a secondary alcohol …
When the oxide of a generic metal, M, is heated at 25 °C, only a negligible amou
When the oxide of a generic metal, M, is heated at 25 °C, only a negligible amount of M(s) is produced. If this reaction is coupled to the oxidation of graphite by oxygen to form …
When the oxide of generic metal M is heated at 25 C, only a neglible amount of M
When the oxide of generic metal M is heated at 25 C, only a neglible amount of M is produced. MO2(s)---> <----- M(s)+O2(g) ; delta G=288.2 KJ/mol When this reaction is coupl…
When the oxide of generic metal M is heated at 25.0 °C, only a negligible amount
When the oxide of generic metal M is heated at 25.0 °C, only a negligible amount of M is produced. Question 22 of 31 Ma Sapling Learning macmillan learning When the oxide of gener…
When the oxide of generic metal M is heated at 25C, only a negligible amount of
When the oxide of generic metal M is heated at 25C, only a negligible amount of M is produced. MO2(s) <---> M(s)+O2(g) delta G = 288.5 kJ/mol 1.) When the reaction is couple…
When the pressure over a liquid is decreased, the boiling point of the liquid wi
When the pressure over a liquid is decreased, the boiling point of the liquid wiU always decrease always increase increase or decrease Which statement is not correct? A volatile l…
When the reaction A rightarrow B + C is studied, a plot of 1/[A] vs. time gives
When the reaction A rightarrow B + C is studied, a plot of 1/[A] vs. time gives a straight line with a positive slope. What is the order of the reaction? (a) zero (b) first (c) se…
When the reaction A rightarrow B reaches equilibrium, which quantity equals zero
When the reaction A rightarrow B reaches equilibrium, which quantity equals zero? a. the concentrations of A and B b. The free energy change c. The equilibrium constant d. The ent…
When the reaction is an exothermic process, Choose all that apply. Enthalpy of t
When the reaction is an exothermic process, Choose all that apply. Enthalpy of the products is less than the enthalpy of the reactants Work is done on the system The q of the surr…
When the reactions is at equilibrium, how does the rate of the forward reaction
When the reactions is at equilibrium, how does the rate of the forward reaction compare with the rate of the reverse reactions? If the equilibrium constant is large, will reactant…
When the reddish brown mercury (II) oxide, HgO, is heated, it decomposes to its
When the reddish brown mercury (II) oxide, HgO, is heated, it decomposes to its elements, liquid mercury and oxygen gas: HgO(s) ? Hg (l) + O2 (g) 15. If 2.00g of mercury (I…
When the reversible reaction N_2 (g) + O_2 (g) 2 NO_(g) has reached a state of e
When the reversible reaction N_2 (g) + O_2 (g) 2 NO_(g) has reached a state of equilibrium (A) no further reaction occurs (B) the total moles of products must system the remaining…
When the temperature is decreased on the following system at equilibrium: I beli
When the temperature is decreased on the following system at equilibrium: I believe the answer is "In order to restore equilibrium, the reaction shift towards the reactants" becau…
When the two diastereomeric bromides below are treated with acetic acid to give
When the two diastereomeric bromides below are treated with acetic acid to give the solvolysis substitution products, only the specific isomers of configuration. Using your produc…
When the two diastereomeric bromides below are treated with acetic acid to give
When the two diastereomeric bromides below are treated with acetic acid to give the solvolysis substitution products, only the specific isomers of the products shown below are pro…
When the water flows through the pipe, you will also get a reaction between diss
When the water flows through the pipe, you will also get a reaction between dissolved lead cations located near the surface of the lead pipe and dissolved calcium carbonate to for…
When there are branches in either the acid or the alcohol, how do you name the e
When there are branches in either the acid or the alcohol, how do you name the ester formed from the reaction of these two? For example, what would the ester formed from butan-2-o…
When there are branches in either the acid or the alcohol, how do you name the e
When there are branches in either the acid or the alcohol, how do you name the ester formed from the reaction of these two? For example, what would the ester formed from butan-2-o…
When thinking about testability and modular code, I recently thought about wheth
When thinking about testability and modular code, I recently thought about whether I should split out the synchronization part of a class from the actual behavior part. By example…
When thinking about which messaging solution to use on my new \"smart\"phone I r
When thinking about which messaging solution to use on my new "smart"phone I reflexively tended towards open source products, figuring that I could trust these more to actually pr…
When thirty mL of a 0.2000 M solution of sodium oxalate (Na2C2O4) is added to 25
When thirty mL of a 0.2000 M solution of sodium oxalate (Na2C2O4) is added to 25.00 mL of a 0.1500 M solution of lanthanum (III) chloride, lanthanum oxalate precipitates. The bala…
When this protein is placed in an electricfield, it does not migrate. When a mut
When this protein is placed in an electricfield, it does not migrate. When a mutant form of this protein isplaced in an electric field, it migrates toward the anode (positiveelect…
When titrating a strong base with HCl at 25 degrees Celcius, the a. pH will be l
When titrating a strong base with HCl at 25 degrees Celcius, the a. pH will be less than 7 at the equivalence point b. pH will be greater than 7 at the equivalence point c. pH wil…
When titrating a weak base with HCL at 25 degrees Celcius the, a. pH will be les
When titrating a weak base with HCL at 25 degrees Celcius the, a. pH will be less than 7 at the equivalence point. b. pH will be greater than 7 at the equivalence point. c. pH wil…
When titrating a weak base with HCl at 25°C, the pH will be less than 7 at the e
When titrating a weak base with HCl at 25°C, the pH will be less than 7 at the equivalence point. titration will require more moles of base than acid to reach the equivalence poin…
When titrating a weak monoprotic acid with KOH at 25 degree C, the pH will be gr
When titrating a weak monoprotic acid with KOH at 25 degree C, the pH will be greater than 7 at the equivalence point. Titration will require more moles of acid than base to reach…
When titrating an acid with a base, it is not unusal to a P^H that is different
When titrating an acid with a base, it is not unusal to a P^H that is different from 7.0 at the equivalence point. Which acid and base combination would produce an acidic solution…
When training a classifier for object detection using features extracted from im
When training a classifier for object detection using features extracted from images (eg HoG features), how important is it that the images used for training fed into the classifi…
When transfering data using TLS the browser and server agree the cipher suite to
When transfering data using TLS the browser and server agree the cipher suite to be used - so for example this could be chosen as AES-128 and is (probably) outside of my control. …
When two atoms form a covalently-bonded diatomic molecule, the distance between
When two atoms form a covalently-bonded diatomic molecule, the distance between the nuclei (inter-nuclear distance) at which the potential energy is at a minimum is called a. the …
When two atoms with different electronegativities are bonded together, a bond_ e
When two atoms with different electronegativities are bonded together, a bond_ exists. These are displayed with an arrow originating at the atom with the_ electronegativity and po…
When two immiscible solvents are mixed two layers form. Liquid-liquid extraction
When two immiscible solvents are mixed two layers form. Liquid-liquid extractions commonly use organic solvents that are less dense than aqueous solutions and, therefore, form the…
When two immiscible solvents are mixed, two layers form.Liquid-Liquid extraction
When two immiscible solvents are mixed, two layers form.Liquid-Liquid extractions commonly use organic solvents that are less dense than aqueous solutions, and therefore for the t…
When two immiscible solvents are mixed, two layers form.Liquid-Liquid extraction
When two immiscible solvents are mixed, two layers form.Liquid-Liquid extractions commonly use organic solvents that are less dense than aqueous solutions, and therefore for the t…
When two monosaccharides condese to form a disaccharide what is the other prduct
When two monosaccharides condese to form a disaccharide what is the other prduct of the reaction? When two amino acids condense to form a dipeptide, what is the other product of t…
When two or more capacitors are connected in series across a potential differenc
When two or more capacitors are connected in series across a potential difference the potential difference across the combination is the algebraic sum of the potential differences…
When two or more substances are present in solution, the absorbance of the solut
When two or more substances are present in solution, the absorbance of the solution s equal to the sum of the absorbances that would be measured on each substance if it were prese…
When two substances from a solution, the substances present in the lesser amount
When two substances from a solution, the substances present in the lesser amount is called the, and the substance present in the larger amount is the. What is the molarity of a so…
When two systems with different temperatures are brought into thermal contact, h
When two systems with different temperatures are brought into thermal contact, heat flows spontaneously until the temperatures of the systems are equal. According to the second la…
When two volatile liquids mix to form an ideal solution, both components appear
When two volatile liquids mix to form an ideal solution, both components appear in the vapor phase over the solution. Each liquid can be viewed as either the solute or the solvent…
When two volatile liquids mix to form an ideal solution, both components appear
When two volatile liquids mix to form an ideal solution, both components appear in the vapor phase over the solution. Each liquid can be viewed as either the solute or the solvent…
When upgrading Visual Studio to a newer version, a new directory is created e.g.
When upgrading Visual Studio to a newer version, a new directory is created e.g. "Visual Studio 2013". I understand that that makes sense as we want to differentiate between code …
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