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Explain what is 10.11 grams of calcium carbonate decomposes by heat to8.51 grams of calcium oxide as well as carbon dioxide gas, explain what mass of ammonia reacted and what would the balanced chemical equation be written like?
Calculate the work, w, and energy change, ?Urxn, when 20.51 g of Cu2O(s) is oxidized at a constant pressure of 1.00 bar and a constant temperature of 25°C.
Draw the structue for the product from the reaction of 1,3-cyclohexadiene and cis maleic acid
consider the reaction : 3A (g) + 2B (g) = 4 C (g) a ) determine the expression for the rate of the reaction with respect to each of the reactants and products
Explain why the concentration cell (Cu/Cu2+ 1.0M with Cu/Cu2+ 0.1M) should have a non-zero voltage. Which half cell is producing the electrons
Esters and amides can be most easily and conveniently prepared by nucleophilic acyl substitution reaction on
Does the effective buffer range of a buffer solution depend on the concentrations of the conjugate acid and base pairs in the buffer solution
A biodiesel is formed from esterification of oleic acid with 1-propanol. When comparing the oleic acid with the biodiesel (ester), we conduct an inflammability test Explain why the biodiesel is flammable while oleic acid isn't.
A hypothetical weak acid, HA, ws combined wih NaOH in he following proporions: .2 mol of HA, .08 ml of NaOH. The mixture was diluted o a total volume of 1.0 L and the pH measured. a) if pH= 4.80, what is the pKa of the acid
2ag 4bg -gt 2ab2 gthe process above was analyzed and it was determined that the rate of appearance of ab2g was 2.510-2
The reaction of 0.25 g magnesium with 100 mL of 1 M hydrochloric acid (density d = 1.02 g/ml) raises the temperature of the solution from 20 °C to 35 °C . The specific heat for HCl is 3.93 J/(g.C).
The calorimeter temperature rises 0.42°C. The calorimeter and water have a combined heat capacity of 32.16 kJ/K. Calculate the heat of formation of ammonia, ?H°f, in kJ/mol. The formation reaction for ammonia is: 0.5N2(g) + 1.5H2(g) ? NH3(g).
Butane, C4H10, is a component of natural gas that is used as fuel for cigarette lighters. The balanced equation of the complete combustion of butane is: 2C4H10(g)+13O2(g) -> 8CO2(g)+ 10H2O(l)
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