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Determine which of the following pairs of reactants will result in a spontaneous reaction at 25 degrees C.
a. Sn^4+(aq) + Mg(s)
b. Cr^3+(aq) + Ni(s)
c. Zn(s) + Na+(aq)
d. Fe(s) + Ba^2+(aq)
e. none of the above pairs will react
can someone please answer these questions regarding the endo and exo products formed through two different transition states in the reaction between furan and maleic anhydride.
Look at the list of fabrics that are woven into the multifiber fabric. Which do you suspect will be the most difficult to dye? Explain why.
Nitric oxides, NO and NO_2, contribute to air pollution, acid rain, and the depletion of the ozone layer. After NO forms in the combustion chamber of an automobile engine, it reacts further with oxygen to form NO_2. The reaction is given by 2NO (g..
Consider the electron shell with principle quantum number n = 5. a.) How many subshells are there with n = 5?
Describe a sequence of reactions by which hept-1-yne can be prepared from hept-1-ene. Provide a Chemical equation as well.
what volume of a 0.400 mM solution of nickel (II) acetate (FW 247.7 g/mol) is required to provide 20mg of nickel
a soil is 65 saturated with ca cec 10 me100g.nbspa. calculate the lbacre-foot of ca.nbspnbspb. calculate lbs ca in
Given the values of ΔH ° rxn , ΔS ° rxn , and T below, determine ΔS univ. ΔH ° rxn = 80kJ , ΔS rxn = 143J/K , T= 299K Express your answer using two significant figures.
Nitrogen dioxide (NO2) cannot be obtained in a pure form in the gas phase because it exists as a mixture of NO2 and N2O4. At 25°C and 0.98 atm, the density of this gas mixture is 2.7 g/L.
What is the heat change in J associated with 17 g of gaseous propane at -4 oC changing to solid at -202 oC? c(propane) (g) = 2.40 J/(g.K) c(propane) (liq) = 1.65 J/(g.K) c(propane) (s) = 1.20 J/ (g.K) ?Hfus(propane) = 3.526 kJ/mol ?Hvap(propane) =..
what should this person do from this point on to get a reasonable yield of 1-octanol?
Initally, only H2S is present at a pressure of 0.123 atm in a closed container. What is the total pressure in the container at equilibrium
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