Case Assignment-Dish


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Category Chemistry

Indiana CHEM C103-The Synthesis of Baking Soda


Part I * Record the mass of the sodium hydrogen carbonate produced. [http://www.bezern.com/] 11. [http://www.bezern.com/]873 g Part II 1. [http://www.bezern.com/]) pH of sodium bicarbonate solution: 8. [http://www.bezern.com/] Write the corresponding ionic equation below. [http://www.bezern.com/] What is the gas produced after adding HCl? CO2 2. [http://www.bezern.com/]) Write the equation for the heating of sodium bicarbonate below. [http://www.bezern.com/] 3. [http://www.bezern.com/]) pH of second sodium bicarbonate solution:9.....

Category Chemistry

The heat capacity of a bomb calorimeter is found


The heat capacity of a bomb calorimeter is found to be 5. [http://www.bezern.com/]65 kJ/c. [http://www.bezern.com/] when a 2. [http://www.bezern.com/]92 g sample of glucose(C6H12O6,MM180. [http://www.bezern.com/]16) is burned in the calorimeter, the final temperature 33. [http://www.bezern.com/]8 C. [http://www.bezern.com/] what is the quantity of heat (in kJ) release or absorb by the reaction if the heat of the combustion for glucose is -2. [http://www.bezern.com/]81e3 kJ/mole. [http://www.bezern.com/] what is the initial temperature in (in C) of the.....

Category Chemistry

If we have 93.75 moles of O2 at 20 C


If we have 93. [http://www.bezern.com/]75 moles of O2 at 20 C. [http://www.bezern.com/] how much energy is released by cooling it to a liquid at -200 C. [http://www.bezern.com/] Boiling point is -183 C latent heat is 2. [http://www.bezern.com/]1 *10^5j/kgk specfic heat of O2 is 920 specific heat of liquid oxygen is.....

Category Chemistry

WVU CHEM 111-0Find the mass of AlCl3 that is produced


Find the mass of AlCl3 that is produced when 25. [http://www.bezern.com/]0 grams of Al2O3react with excess HCl according to the following balanced equation: Al2O3(s) + 6HCl (aq) -> 2AlCl3 (aq) + 3H2O.....

Category Chemistry

What is the energy released in this nuclear reaction


What is the energy released in this nuclear reaction 3890Sr ? 3990Y + -10e? (The atomic mass of 90Sr is 89. [http://www.bezern.com/]907738 u and that of 90Y is 89. [http://www.bezern.com/]907152 u).....

Category Chemistry

Determine which species is oxidized


a. [http://www.bezern.com/] Determine which species is oxidized and which is reduced in the equation below, the combustion of hydrogen. [http://www.bezern.com/] Explain. [http://www.bezern.com/] H2 (g) + 1/2 O2 (g) ----> H2O (g) b. [http://www.bezern.com/] Determine which species is oxidized and which is reduced in each of the following combustion reactions. [http://www.bezern.com/] Explain. [http://www.bezern.com/] C + O2 ----> CO2 2C8H18 + 17O2 -----> 16CO +.....

Category Chemistry

Rank the following metal ions from weakest


1. [http://www.bezern.com/] Rank the following metal ions from weakest to strongest binders to NH3: a. [http://www.bezern.com/] Ca(2+), Cr(2+), Mn(2+), Fe(2+), Co(2+), Ni(2+), Cu(2+), Zn(2+) Rank the following ligands from weakest to strongest binders to Cu2+: b. [http://www.bezern.com/] CN(-), NH3, H2O, Cl(-) NO3(-) c. [http://www.bezern.com/] Explain both of your rankings. [http://www.bezern.com/] 2. [http://www.bezern.com/] What are the two preferred geometries for Cu(2+) with nitrogen ligands? Explain using d-orbital energy level diagrams why these geometries are preferred. [http://www.bezern.com/] Predict which.....

Category Chemistry

Saddleback CHEM 101-Final Study Identify sig figs


Chem 10/Chem 3 Final Study Guide · Identify sig figs and calculate using rules of significant figures · Properties of the three states of matter · Differences between homo/heterogeneous solutions · Heat capacity calculations, heat capacity of water · Structure of an atom, i. [http://www.bezern.com/]e. [http://www.bezern.com/] neutrons, electrons, protons · Know what isotopes are · Divisions of the periodic table, i. [http://www.bezern.com/]e. [http://www.bezern.com/] metals, nonmetals, metalloids · Naming of ionic, covalent compounds · Names of groups (columns) on the periodic table · Know how to read solubility rules chart to identify soluble and insoluble compound, I will give this to you ·.....

Category Chemistry

A radioactive isotope has an activity


A radioactive isotope has an activity of 8. [http://www.bezern.com/]42×104 Bq initially. [http://www.bezern.com/] After 3. [http://www.bezern.com/]65 hours the activity is 6. [http://www.bezern.com/]57×104 Bq. [http://www.bezern.com/] What is the half-life of the isotope? What is the activity after an additional 3. [http://www.bezern.com/]65.....

Category Chemistry

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