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When 1.0L of1.0M Ba(No3) solution is mixed with 1.00L of 1.05 M Na2So4 solution at 25 degree C in Coffee cup calorimeter. The reaction is Ba(NO3)2(aq)+Na2so4(aq)toBso4(s) + 2NaNo3 (aq). The final the mixture increasing to 28.1 C degree. Calculate the enthalpy change per mole for this process. ( Assuming C=4.18 J deg c^-1 g^-1 and density of the final solution is 1.00g/ml).
predict the products formed (if any) and write the balanced molecular equation, complete ionic equation and net ionic equation.
Calculate the molarity of a Ca(OH)2 solution if it takes 25.0 mL to titrate 0.650 g of KHP in a standardization titration. (KHP has one H+ and a formula weight of 204.2 g/mol.)
Calculate the Gibbs free energy (in kJ/mol) at 80 degrees celsius. Assuming that the change in enthalpy is negligible over this temperature range
1000g of Na2HPO4 is dissolved in 100mL of water. using mass balance and charge balance deterimne the pH of the resulting.
Determine the volume of 6.44*10^-2 M adenosine triphosphate (ATP) that is having 1.68 mol of adenosine triphosphate express your answers in (mL)?
The half-life of a certain radioactive element is 1,250 years. What percent of the atoms remain after 7,500 years?
If replacing magnesium with an equal weight of sodium, how would the enthalpy of the reaction changed?
The combustion of one mole of propane, C3H8 (Molar mass 44 g mol-1) releases 2230 kJ. How much heat is released by 6.60 g of propane?
A.117 gram sample of a metal reacts with hyrdochloric acid to produce 36.3 ml of dry hydrogen gas, measured at STP. what is the equivalent weight of this metal?
Calculate the concentrations of all species in a 1.75 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
Using bond-line formulas, draw 6 constitutional isomers that have 1) the molecular formula C5H10O, and 2) a three membered ring
The specific heat of water increases at a constant rate. The specific heats of NaOH, HCl, and the product of the reaction are the same as that of water.
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