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Chemistry concepts and calculations

117302 questions • Page 164 / 2347

1. Write the chemical equation for the ionization of acetic acid. 2. From the pH
1. Write the chemical equation for the ionization of acetic acid. 2. From the pH, calculate the concentration of hydrogen ions. Next, find the concentration of the acetate ion. Ho…
1. Write the chemical equation for the reaction between MgCl2 and the soap you p
1. Write the chemical equation for the reaction between MgCl2 and the soap you prepared 2.. How might a synthetic detergent be superior to a normal soap? 3. Many operations in the…
1. Write the chemical formula for cach of the following compounds. 1 Ammonium su
1. Write the chemical formula for cach of the following compounds. 1 Ammonium sulfate 2 Barium carbonate 3 Barium chloride 4 Carbonic acid 5 Chromium(IIl) acetate 6 Cobalt(II) chl…
1. Write the chemical formula for cach of the following compounds. 1 Ammonium su
1. Write the chemical formula for cach of the following compounds. 1 Ammonium sulfate 2 Barium carbonate 3 Barium chloride 4 Carbonic acid 5 Chromium(IIl) acetate 6 Cobalt(II) chl…
1. Write the chemical formula for the ionic compounds formed from combinations o
1. Write the chemical formula for the ionic compounds formed from combinations of the following ions.   Is this all right? Please let me know. I am unsure about the cation number …
1. Write the code to create a link back to the home page ( index.html) from mone
1. Write the code to create a link back to the home page (index.html) from money.html - use any text appropriate as the link text. (money.html is the file containing the link) 2. …
1. Write the correct molecular formula for ionic compounds formed metal and nonm
1. Write the correct molecular formula for ionic compounds formed metal and nonmetal are combined together: A)Potassium and sulfur B)Calcium and Oxygen C)Aluminum and bromine D)Ba…
1. Write the correet names for the following hydrates. Hint Look up Greek prefix
1. Write the correet names for the following hydrates. Hint Look up Greek prefixes for the numbers prcceding the water molocule Hydrate Name NajPOs.12H 2 Write the products that r…
1. Write the correet names for the following hydrates. Hint Look up Greek prefix
1. Write the correet names for the following hydrates. Hint Look up Greek prefixes for the numbers prcceding the water molocule Hydrate Name NajPOs.12H 2 Write the products that r…
1. Write the dissociation reaction and the corresponding K, equilibrium expressi
1. Write the dissociation reaction and the corresponding K, equilibrium expression for each of the following )HCN bHOC.H 2. You may need Table 14.2 to answer the following questio…
1. Write the electronic configuration for each atom: a. S b. K c. Ne d. Al 2. Wh
1. Write the electronic configuration for each atom: a. S b. K c. Ne d. Al 2. Which element in the 2nd Period (2nd row) of the periodic table has: Only one 2s electron Only one 2p…
1. Write the equilibrium constant expression for the FeSCN2 equilibrium inm 2. W
1. Write the equilibrium constant expression for the FeSCN2 equilibrium inm 2. Which of the chemicals in the equilibrium is measured with the spectrophotometer? 3. Solutions 1 thr…
1. Write the equilibrium constnat epression for hte following reaction. a(s)+3B(
1.Write the equilibrium constnat epression for hte following reaction. a(s)+3B(l) ->/<- 2C(aq)+D(aq) in terms of a, b, c, and d as needed What is the equilibrium constant Kc…
1. Write the expression for the equilibrium constant (the equilibrium equation)
1. Write the expression for the equilibrium constant (the equilibrium equation) for each of the following chemical reactions. (FE exam manual) 2) 3) 4) BaO(s) + CO2(g) BaCO3(s) 2.…
1. Write the expression for the equilibrium constant (the equilibrium equation)
1. Write the expression for the equilibrium constant (the equilibrium equation) for each of the following chemical reactions. (FE exam manual) 2) 3) 4) Bao(s) + CO2(g) BaCO3(s) C(…
1. Write the expression for the equilibrium constant (the equilibrium equation)
1. Write the expression for the equilibrium constant (the equilibrium equation) for each of the following chemical reactions. (FE exam manual) 2) 3) 4) BaO(s) + CO2(g) BaCO3(s) 2.…
1. Write the expression for the equilibrium constant (the equilibrium equation)
1. Write the expression for the equilibrium constant (the equilibrium equation) for each of the following chemical reactions. (FE exam manual) 2) 3) 4) Bao(s) + CO2(g) BaCO3(s) C(…
1. Write the following as a pair of conversion factors: A gallon of milk costs $
1. Write the following as a pair of conversion factors: A gallon of milk costs $3.48. 1 gallon / $X and $X/ 1 gallon (Enter your answer to three significant figures.) X = ? 2. You…
1. Write the following elements in order of increasing first ionization energy:
1. Write the following elements in order of increasing first ionization energy: As, N, P and explain why 2. Write the following elements in order of increasingly negative electron…
1. Write the following molecular equation, complete ionic equation, and net ioni
1. Write the following molecular equation, complete ionic equation, and net ionic equation for the following reactions: a) Potassium iodide and silver nitrate solutions are mixed,…
1. Write the formulas for the following compounds, and indicate the oxidation st
1. Write the formulas for the following compounds, and indicate the oxidation state of the group 4A element or of boron in each: a) silicon dioxie, b) germanium tetrachloride, c) …
1. Write the ground-state electronic configuration for each of the following ato
1. Write the ground-state electronic configuration for each of the following atoms or ions. Determine the number of unpaired electorns. Use noble gas inner core and condensed spdf…
1. Write the half reactions that occur at the anode and cathode in these electro
1. Write the half reactions that occur at the anode and cathode in these electrochemical cells. Annotate which half reaction occurs at the anode and the cathode. 2. Write the over…
1. Write the molecular balanced equation for the dissolution of copper. 2. Write
1. Write the molecular balanced equation for the dissolution of copper. 2. Write the complete ionic balanced equation for the dissolution of copper. 3. Write the net ionic balance…
1. Write the molecular formula of the compound nicotine: 2. What is the hybridiz
1. Write the molecular formula of the compound nicotine: 2. What is the hybridization of each N atom? N of the six-membered ring:        sp      sp2      sp3 N of the five-membere…
1. Write the net ionic equation (including phases) that corresponds to: Pb(NO3)2
1. Write the net ionic equation (including phases) that corresponds to: Pb(NO3)2(aq) + K2CO3(aq) >>>>>> PbCO3(s) + 2KNO3(aq) 2. Enter the net ionic equation, inc…
1. Write the net ionic equation for the reaction that occurs when equal volumes
1. Write the net ionic equation for the reaction that occurs when equal volumes of 0.256 M aqueous hypochlorous acid and sodium fluoride are mixed (there should be 2 spots before …
1. Write the net ionic equations that occur in the followingcells: Pb|Pb(NO3) ||
1. Write the net ionic equations that occur in the followingcells: Pb|Pb(NO3) ||AgNO3|Ag Zn|ZnCl2||Pb(NO3) |Pb Pb|Pb(NO3) ||NiCl2|Ni
1. Write the neutralization reaction for each of the following. Make sure to bal
1. Write the neutralization reaction for each of the following. Make sure to balance the equations. Please show all work. a. HI(aq) + NaOH(aq) ? b. HClO4(aq) + Sr(OH)2 ?
1. Write the neutralization reaction for each of the following. Make sure to bal
1. Write the neutralization reaction for each of the following. Make sure to balance the equations. Please show all work. a. HI(aq) + NaOH(aq) ? b. HClO4(aq) + Sr(OH)2 ?
1. Write the prototype for a function Triple that receives a number of type doub
1. Write the prototype for a function Triple that receives a number of type double and returns the number multiplied by 3. 2. Implement a function Swap that interchanges the value…
1. Write the rate law for the reaction between HCl and Na 2 S 2 O 3 . 2. Using t
1. Write the rate law for the reaction between HCl and Na2S2O3. 2. Using the rate law that you determined for the reaction, predict the rate of the reaction if the concentration o…
1. Write the reaction for the evaporation of water in a hot, dry room. Is this r
1. Write the reaction for the evaporation of water in a hot, dry room. Is this reaction spontaneous not? What are the signs of ??,ys and as,ys? 2. Acetic acid, CH3COOH, freezes at…
1. Write the reaction for the oxidation-reduction performed in this experiment.
1. Write the reaction for the oxidation-reduction performed in this experiment. 2. What oxidation changes does the iron undergo? 3. Why does this oxidation change result in a colo…
1. Write the symbol for chlorine. What is the atomic number of ii in the periodi
1. Write the symbol for chlorine. What is the atomic number of ii in the periodic table? How many protons and electrons are there in the atom of .chlorine? Give the highest possib…
1. Write the symbol for zinc. How many protons and electrons are there in the at
1. Write the symbol for zinc. How many protons and electrons are there in the atom of zinc? Give the highest possible and lowest possible oxidation state for zinc. Determine the m…
1. Write three functions for the attached program sets_of_numbers.c. The sets ar
1. Write three functions for the attached program sets_of_numbers.c. The sets are represented as arrays ofintegers. Assume the sets has no more than 50 elements. The zeroth elemen…
1. Write three functions for the attached program sets_of_numbers.c. The sets ar
1. Write three functions for the attached program sets_of_numbers.c. The sets are represented as arrays ofintegers. Assume the sets has no more than 50 elements. The zeroth elemen…
1. Write two sets of definitions, each including one for acids and one for bases
1. Write two sets of definitions, each including one for acids and one for bases: a) The Arrhenius definitions b) The Brønsted-Lowry definitions 2. Write the formula for the conju…
1. Write two sets of definitions, each including one for acids and one for bases
1. Write two sets of definitions, each including one for acids and one for bases: a) The Arrhenius definitions b) The Brønsted-Lowry definitions 2. Write the formula for the conju…
1. Writing and Balancing Equations. Write the balanced chemical reaction for eac
1. Writing and Balancing Equations. Write the balanced chemical reaction for each of the following. On the line, identify the kind of reaction. Your choices are: Combination, Comb…
1. Writing and Balancing Equations. Write the balanced chemical reaction for eac
1. Writing and Balancing Equations. Write the balanced chemical reaction for each of the following. On the line, identify the kind of reaction. Your choices are: Combination, Comb…
1. Xylene is a molecule used as a thinner for oil-based paints. SHOW WORK a. Ele
1.      Xylene is a molecule used as a thinner for oil-based paints. SHOW WORK a.       Elemental analysis of a sample of xylene shows that the mass percent of carbon is 90.51% an…
1. Y 2 (g), has a bond energy of 750 kJ/mol, and the molecular compound XY(g) ha
1. Y2(g), has a bond energy of 750 kJ/mol, and the molecular compound XY(g) has a bond energy of 1500 kJ/mol. Using bond-energy information, calculate ?H for the following reactio…
1. Y 2 (g), has a bond energy of 750 kJ/mol, and the molecular compound XY(g) ha
1. Y2(g), has a bond energy of 750 kJ/mol, and the molecular compound XY(g) has a bond energy of 1500 kJ/mol. Using bond-energy information, calculate ?H for the following reactio…
1. You add Hydrochloric Acid to distilled water. If all the HCl dissociates in s
1. You add Hydrochloric Acid to distilled water. If all the HCl dissociates in solution, calculate the pH of the final solution given the following data. (assume the liquid volume…
1. You and your research group are studying a new biologically important molecul
1. You and your research group are studying a new biologically important molecule. In vivo, testudoic acid (H2TA) is oxidized to dehydrotestudoic acid (TA). The standard reduction…
1. You are a biochemist who has isolated a new amino acid found in skin secretio
1. You are a biochemist who has isolated a new amino acid found in skin secretions from a recently discovered amphibian residing in the jungles of Colombia. You give the amino aci…
1. You are asked to prepare a buffer of pH 6.90 for a biological assay. Using th
1. You are asked to prepare a buffer of pH 6.90 for a biological assay. Using the table of pKa’s in the experimental procedure (Part 4), select an appropriate acid/base pair and c…
1. You are designing a surface erodible polymer to fabricate a scaffold for tiss
1. You are designing a surface erodible polymer to fabricate a scaffold for tissue engineering. The polymer that you develop does not allow long-term cell attachment, which is an …