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Balance the equations and indicate the type of reaction. CaO +HCl -> CaCl2 + H2O. and also, Fe + O2 -> FeO3.
Furoic acid, HC5H3O3, has a Ka value of 6.76 10-4 at 25C. Calculate the pH at 25C for a solution formed by mixing 28.0 mL of 0.260 M HC5H3O3 and 23.0 mL of 0.21 M NaC5H3O3 and diluting the total volume to 125 mL.
Calculate the volume and mass required to make 0.1m solutions of your assigned acid (HNO3) and conjugate base
The average pH of precipitation in rural areas is 5.80. Assuming that the pH is controlled by the carbonate system, i.e., no anthropogenic acid gases are present in the atmosphere.
What is the main component of the first eluting peak and what percentage of the total absorbance at 300nm is due to this component?(assuming the light path- length = 1.0 cm)
If 5.400 g of C6H6 is burned and the heat produced from the reaction is absorbed into 5691 g of water and 21 degrees C, what is the final temperature of the water?
What is the empirical formula of a hydrocarbon which produces 2.703 g CO2 and 1.108 g H2O
A sample consisting of 3.0 mol of ideal gas molecules at 200K at 2.00 atm is compressed reversibly and adiabatically until the temperature reaches 250K.
If 155mL of wet {grm{H}}_2 is collected over water at 24 ^circ {rm C} and a barometric pressure of 739torr , how many grams of {grm Zn} have been consumed.
at 400 K, the rate of decomposition of a gaseous compound initially at a pressure of 12.6 kPa, was 9.71 Pa/s when 10.0 % had reacted and 7.67 Pa when 20.0 % had reacted.Determine the order of reaction.
Suppose we start with 0.0530 mol of N2O5 in a volume of 5.2 L. How many minutes will it take for the quantity of N2O5 to drop to 0.0253 mol?
how many liters of oxygen will be produced if 162 grams of aluminum chlorate is decomposed
Determine the molarity of the NaOH(sodium hydroxide) solution. In an acid-base titration, 22.13 mL of a sodium hydroxide solution are required to neutralize 24.65 mL of the potassium hydrogen phthalate solution?
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