What is the specific heat for the substance
Question: It takes 46.0 J to raise the temperature of an 12.5g piece of unknown substance from 13.0 oC to 26.2 oC. What is the specific heat for the substance?
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A 0.5220 g sample of an unknown monoprotic acid was titrated with 9.98×10?2 M NaOH. The equivalence point of the titration occurs at 23.70 mL. Determine the molar mass of the unknown acid.
Part A What is the reaction that corresponds to the first ionization energy of rubidium, Rb ? Part B What is the reaction that corresponds to the electron affinity of iodine, I
Silver chloride, AgCl, is a sparingly soluble solid. Answer the following questions about a saturated solution prepared by placing solid silver chloride in a 3.49 10-5 M NaCl(aq) solution
What is the molecular equation, total ionic equation, and net ionic equation for the reaction of Pb(NO3)2 and HCl
What element within the reactants is oxidized in the following equation, and what element is reduced. I2 + 2 Br - ? 2 I- + Br2
Calculate the concentration of bicarbonate ion, HCO3-, in a 0.010 M H2CO3 solution that has the stepwise dissociation constants Ka1 = 4.3 × 10-7 and Ka2 = 5.6 × 10-11
How many moles of H2 gas would be formed from the electrolysis of 10 moles of water?
Toxic cyanide ions can be removed from wastewater by adding hypochlorite: 2CN-(aq)+5OCl-(aq)+H2O(l) --> N2(g)+2HCO3-(aq)+5Cl-(aq) How many liters of 0.125M OCl- are required to remove the CN- in 3.4X10^6L of wastewater in which the CN- conentra
A solution of a specific vitamin has ?max = 223 nm and a concentration of 8.31 × 10-7 M. The absorbance of the solution at 223 nm is A = 0.180. What is the molar absorptivity of the vitamin at 223 nm?
At equilibrium, [A] = 0.420 M and [C] = 0.580 M. Calculate the value of the equilibrium constant, Kc.
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