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A 0.1225-g sample of solid magnesium is burned in a bomb calorimeter that has a heat capacity of 1769 J/° C. The calorimeter contains exactly 261 g of water, and the temperature increases by 1.126°C. Calculate the heat given off by the burning Mg, in kJ/g and in kJ/mol
Draw the skeletal structure of the major organic product given that excess NaOD
Calculate the approximate length of PVA strand assming that each monomer unit contributes two carbon atom diameters to the length
A block of metal has a width of 3.2 , a length of 17.1 , and height of 4.2 . Its mass is 1.5 . Calculate the density of the metal.
Explain why trans-1,2-difluoroethane is a non-polar molecule that while cis-1,2-difluoroethane is a polar molecule. Acrylonittrile has the formula CH2=CH-CN. Draw a line bond formla for acrylonitrile and label sigma bonds, pi bonds, which carbon at..
In the diels-alder reaction of cyclopentadiene and maleicanhydride what are the two side reactions of cyclopenadiene
List several reasons animals that live in cold climates have higher levels of unsaturated fatty acids in their extremities compared to the rest of their body - explain why this is.
Monochloroacetic acid (HC2H2ClO2) is a skin irritant that is used in "chemical peels" intended to remove the top layer of dead skin from the face and ultimately improve the complexion.
The following set of data was obtained by the method of initial rates for the reaction: S2O8^2- (aq) + 3 I- (aq) ==> 2 SO4^2- (aq) + I3- (aq) What is the initial rate when S2O8^2- is 0.15M
Determine the value of the overall reaction order in the rate law expression. Rate=k[A]^n [B]^m, from the following data.
A 128.2-mL sample of a 0.15 M solution of H3PO4 is titrated with 0.18 M NaOH. What volume of base must be added to reach the third equivalence point
when a .28 gram sample of limestone was decomposed by heating 75 millileters of CO2 at 750 mm Hg and 20 degrees celcius were evolved. How many grams of CO2 were produced?
HZ is a weak acid. An aqueous solution of HZ is prepared by dissolving 0.020 mol of HZ in sufficient water to yield 1.00 L of solution
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