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Write a one to two (1-2) page mechanism description (written in your own words) telling an audience of fifth graders in a science class how the appliance works. The document must include:
a. Headings
b. At least one graphic
c. A logical spatial order
In your document, you should:
Circle the compound in each pair that you would predict to be more soluble in water. Give a very brief explanation for your choice. a. Nitrogen gas or Hydrogen fluoride gas b. Quartz crystal or (NH4)2SO4 crystal
The mean activity coefficient of a 0.01 molal sulfuric acid solution is 0.544. Explain what is its mean ionic activity. Sulfuric acid is H2SO4
Fermentation of glucose produces ethyl alcohol and carbon dioxide; C6H12O6(l) ? 2 C2H5OH(l) + 2 CO2(g) What is ?H°rxn (in kilojoules) if 385.3 mL of CO2 was collected over water at 20.00°C and 761.2 mm Hg
If an unknown gas Q effuses 1.35 times as fast under the same conditions as Xe gas. Define what is the molar mass (g/mol) of Q
Solid benzoic acid, C6H5COOH(s), is often used to determine the heat capacity of a bomb calorimeter, because the constant volume heat of combustion of this compound is known with high precision: qV = 26.434 kJ/g. When a 2.088 g sample of C6H5COOH(..
The iron in .6656 gram ore sample was reduced quantitatively to the +2 oxidation state and then titrated with 26.753g of .02966M KMnO4 soluton. what is the percent Fe2O3 in the sample
A voltaic cell is constructed by immersing a strip of silver in a 1.0M AgNO3 solution and a strip of cadmiun metal in a 1.0M Cd(NO3)2 solution. The circuit is completed by a wire and a salt bridge in the usual way. What is the cell potential for t..
How do you form a an Aldehyde from an Alkyne? Also How do you form a ketone from an alkyne?
Under What circumstances is it possible for the requirements for chirality at a carbon atom to be satisfied but for a molecule containing
Calculate the number of moles of Cl atoms in 1.20×1024 formula~units of magnesium chloride, MgCl_2
Determine the boiling point of a solution that contains 78.8 g of naphthalene (C10H8) dissolved in 722 mL of benzene (d = 0.877 g/mL). Pure benzene has a boiling point of 80.1°C and a boiling point elevation constant of 2.53°C/m.
Complete combustion of a 3.54-g sample of procaine with excess O2 formed 8.58 g CO2 and 2.70 g H2O . Another sample of mass 2.35 g was found to contain 0.279 g of N . The molar mass of procaine was found to be 236.
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