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10 ml of a solution of KCl containing NaCl gave on evaporation 0.93 g of mixed salt which gave 1.865 g of AgCl by the reaction with AgNO3 . Calculate the quantity of NaCl in 10 ml of solution.
When the reaction is complete, what is the concentration ratio of conjugate base to acid? How many moles of strong base were initially added
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition
Calculate the standard enthalpy of the reaction, \Delta {{H}^\circ}_{\rm rxn}, for the thermite reaction: \rm 2Al(s) + Fe_2O_3(s) \rightarrow 2Fe(s) + Al_2O_3(s)
What is the total mass of bovine serum albumin (BSA) in 50 ml of BSA at 4% (wt./vol), given in milligrams? What is the answer in micrograms?
If an Al strip is placed in CuSo4 solution. Would you expect a spontaneous reaction to take place based on the net potential
What advantages does ligroin have over n-pentane as a recrystallization solvent
The mixture of tetra phosphorous trisulfide as well as powdered glass is in the tip of strike anywhere matches and this compound is made up using the above equation.
Sodium carbonate is a reagent that may be utilized to standardize acids in the same way that you have used KHP in this experiment. In such standardization it was found that a 0.512-g sample of sodium carbonate required 25.3mL of a sulfuric acid so..
Potassium nitrate has lattice energy of -163.8 kcal/mol as well as a heat of hydration of -155.5 kcal/mol. Explain how much potassium nitrate has to dissolve in water to absorb 114kJ of heat
the process (A-> B is first order with a half-life of 0.21 seconds. How long would it take for 15.0M of A to decrease to 0.25 M?
In trial two the preliminary temperature of the HCl was 22.5. While the Mg was added the temperature was 24.0 as well as rose to 42.20, leveling off at 41.50. Compute heat released by the reaction in each trial, the amount of Mg (moles) and ΔH1 (Mg..
A 4.60 g nugget of pure gold absorbed 288 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C? The specific heat of gold is 0.129 J/(g·°C).
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