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Question- when you burn gasoline in an automobile engine, chemical energy is converted to heat and mechanical energy, explain how this transformation is consistant with the first law of therodynamics?
Provide your answer in scientific notation
Define what is the product for Benzene + (benzene ring attached to a carbon which is single bonded to another carbon which is double bonded to an oxygen and single bonded to a Cl) all in the presence of a ALCL3 catalyst
If a new solution is made by diluting exactly 10.0 mL of the solution with exactly 42.5 mL of distilled water, what should the absorbance of the new solution be
What mass of carbon dioxide is produced from the complete combustion of 1.80×10?3 of methane? Express your answer with the appropriate units.
the value of deltaH for the reaction below is -72kj .how much of heat is released when 3.0 mol of HBr is formed in this reaction . is the reaction exothermic or endothermic
At a certain temperature, the equilibrium constant for the reaction 2HI(g)39. At a certain temperature, the equilibrium constant for the reaction 2HI(g) H2(g) + I2(g) is 0.49.
Greg Nard added an equivalent of 3,4-epoxy-4-methylcyclohexanol to an ether solution of methyl magnesium bromide and then added dilute hydrochloric acid.
How does Ksp govern the dissolution of an insoluble solid. Determine the number of moles if IO3- simply by knowing the number of moles of S2O3 2. Do you expect the Ksp to be a large number or a small number
A saturated solution of MgF2 has [Mg^2+] = 2.6 X 10 ^-4 M and [F-] = 5.2 X 10 ^-4 M. What is the value of Ksp for MgF2
A flask contains both A and B. Both decompose following first-order kinetics with half-lives of 50 and 18 minutes, for A and B respectively. If the concentrations of A and B are initially the same, how long will it take for the concentration of A ..
volumetric flask dissolved with distilled water and then diluted to the mark with distilled water. 10.0mL of this solution is transferred to a 100mL volumetric flask and diluted to the mark with distilled water. Calculate the molarity of the solut..
6.48 g of NaH2PO4 and 21.96 gm of K2HPO4 are dissolved in sufficient water to make a liter of solution. Calculate the pH of the resulting solution.
question a glycine buffer is prepared by mixing 100 ml of 1.0m glycine ph 6.0 with 100 ml of 0.5m naoh and 300 ml of
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