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An empty weighing bottle had a mass of 10.313 g. After adding water from a 25-mL pipet, the mass was 35.225 g. If the lab temperature was 27 oC, find the volume of water delivered by the pipet.
Calculate the standard reduction potential for the reaction for the reaction Cu(III) to Cu(II).
If more than one alkene is possible, predict which one will be formed in the largest amount: a. 2-methyl-2-butanol b. 1-methylcyclohexanol
choose the answer that has the following compounds correctly arranged with respect to acid catalyzed hydrolysis.
Draw the skeletal structure of the major organic product formed inthe reaction below when the second step is heated to reflux.
Find the mass in grams of PbCl2 in the products. In a test tube you have 1.0 mL of 0.10 M of NaCl mixed with 1.0 mL of 0.10M of NaCl. 2 NaCl + Pb(NO3)2 --> PbCl2 + 2 NaNO3
Given data:moles of H2=0.001mole , given weight of the unknown metal(M)=0.0757 g given equation:M(s)+nH30^+1........>M^(+n)+ (n/2) H2 + nH2O from the stoichiometry of the reaction and the number of moles of H2 given, Calculate the number of moles ..
Sketch the line-bond structure for each molecule or polyatomic ion of the following. Designate the formal charges where applicable.
pottassium bromide kbr is soluble in the extent of 64 g per 100 g of h2o at 20 degree c. is the solution saturated or
What are the electron configurations of the following metal ions: Fe3+, Zr4+ and Co3+?. Draw a) the high-spin electron configuration for a complex containing Fe2+ and b) the low- spin electron configuration for a complex containing Fe2+. Assume an..
Explain why some types of acidosis can be treated with intravenous bicarbonate ions.
The standard free energy change associated with the dissolution of ammonium nitrate in water is -6.73 kJ/mol at 298.15 K. NH4NO3(s)->NH4NO3(aq) What is the equilibrium constant for the reaction. (R=8.314 J/K*mol)
Given the values of Ka and Kb below, which of the systems given would be most suitable to use to construct a buffer of pH 9
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