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Find the empirical formula for the ion MnxO-y using this experimental info: The reaction below takes place in a 608 mL volume of solution. A 0.228 M solution of MnxO-y reacts with excess Br- and H+ to form a .228 M solution of Mn2+ and 9.992g of water.
Calculate the approximate molarity of this solution from the volume, percent composition, and density.
What is the concentration of hydronium ion from pH and the concentration of hydroxide ion from pOH
The atomic mass of silicon is 28.0855 amu and the natural abundance of 29Si is 4.68%. What is the natural abundances of 28Si
The equation for a Beer's Law plot is y = 2012.5x + 0.003. If the recorded absorbance for an equilibrium mixture is 0.362, what is the concentration of FeCNS2+ (aq)?
Calculate the volume of glacial acetic acid needed to make 1L of the buffer. Glacial acetic acid is 99.5% acetic acid
what is the enthalpy of the reaction 2X(aq)+Y(l) ? X2Y(aq) given that the solution has the same heat capacity as water?
how much heat energy is needed to convert 64.0 grams of ice at -18.0 degrees celcius to h2o at the temperature of 25.0
The pressure in an automobile tire is 1.83 atm at 26.0°C. What will be the pressure if the temperature warms up to 37.0°C.
Does the reaction occur spontaneously at the temperature of 298 K and standard state conditions also Calculate the value of S°univ.
What is the connection between the moving mirror velocity and the frequency of these cosine waves. This data must be truncated. Give two reasons why the data must be truncated
q. determine the mass in gms for pure ag sample that loses 2.88kj if its temperature drops from 143 degree celsius to
When heated, ammonium carbonate decomposes as follows. NH4CO2NH2(s) ->2 NH3(g) + CO2(g) At a certain temperature the equilibrium pressure of the system is 0.318 atm. Calculate KP for the reaction.
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