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Does increasing the size of an axial substituent always result in higher relative strain energies for the axial conformation
Dolomite is a mineral consisting of calcium carbonate (CaCO3) and magnesium carbonate (MgCO3). When dolomite is strongly heated, its carbonates decompose to their oxides (CaO and MgO) and carbon dio
Make a pH- log concentration plot for carbonate (10^-3) and acetate acid (10^-4) for total concentrations.
Ammonium Hydrogen sulfide decomposes on heating, NH4HS(s)<--->NH3 (g)+H2S(g). If Kp for this reaction is .11 at 25 degrees celcius (where partial pressures are measured in atmospheres), what i
write the balanced reaction for the equilibrium. if CoCl6(4-) solubility is endothermix, predict what will happen to the solution color of the solution is heated.
If the following elements were involved in redox reactions, which noble-gas configuration would they most likely attain?LI,Na,O,P,Sc,As,Sr--- He,Ne,Ar,Kr matching
Add curved arrows to both structures to show the delocalization of electron pairs needed to form the other resonance contributor.
Calculate the change in pH when 6.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
An experiment was carried out similar to the one carried out to determine the empirical formula of magnesium oxide. The empirical formula for an oxide of chromium is required
Consider the reaction COg) + NH3=HCONH2, Kc=0.800. If a reaction vessel initially contains only CO and NH3 at concentrations of 1.00 M &2.00M, respectively, what will the concentration of HCONH2
An athlete wants to acquire red blood cells from a donor with the same blood type. Taking into consideration that blood is composed of three components, plama, red blood cells, and leukocytes. what
A student weighed 0.4521 g of sodium oxalate and dissolved in 50 mL of distilled water and 10 mL of 4.0M H2SO4. The solution was titrated with 58 mL of KMnO4, what was the concentration of KMnO4.
a chemical engineering company forgot to coat the inside of a magnesium tank designed to hold hydrochloric acid. what would happen if this is a closed tank and how would you go about fixing the prob
Calculate the pH at the equivalence point for the titration of 0.170 M methylamine (CH3NH2) with 0.170 M HCl. The Kb of methylamine is 5.0× 10-4.
What is the concentration of SO2. 2SO2(g)+O2(g)===2SO3(g) Keq=3.94 at 600 degress celsius
Add charges, single electron dots, and/or pairs of dots as appropriate to show the Lewis symbols for the most stable ion of each element.
Which substance would be in top layer when each of the following pairs of solvents are added to the same container
Is density of an organic molecule directly related to the molecular weight of a substance. (That is, does density always increase when molecular weight increases) Use the examples above to explain.
A student during an extraction experiment lost track of whether a beaker contained an aqueous solution or an organic solution. How could the student determine which type of solutions was in the beak
Esters and amides can be most easily and conveniently prepared by nucleophilic acyl substitution reaction on
Bond length is the distance between the centers of two bonded atoms. On the potential energy curve, the bond length is the internuclear distance between the two atoms when the potential energy of th
A solid mixture consists of 51.0 g ofKNO3 (potassium nitrate) and 9.0 gofK2SO4 (potassium sulfate). The mixture is added to 130g of water. If the solution described in the introduction is cooled to
Equal Numbers of moles of H2 gas and I2 vapor are mixed in a flask and heated to 700 degrees celcius. The initial concentration of each gas is 0.0088 mol/L and 78.6% of the I2 is consumed when equli
The density of water at room temperature is lass than the assumed 1.0 g/mL used in the calculations for determining the enthalpy of neutralization.