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Assuming STP, how many liters of carbon dioxide are produce when 5.74 g of CaCO3 reacts with an excess of H3PO4.
unknown concentration of sodium hydroxide for complete neutralization. What is the molarity of the sodium hydroxide solution?
the pH at the equivalence point. the pH after adding 6.0 mL of acid beyond the equivalence point
liquid butane c4h10 is stored in cylinders to be used as a fuel. suppose 30.4 g of butane gas is removed from a
The molar volume of the liquid at this temperature and pressure is 163.3 cm^3/mol. At 100 atm the melting temp changes to 351.26 K. Calculate the enthalpy and entropy of fusion of the solid.
Draw an arrow pushing mechanism for the formation of the acylium ion when acetic anhydride reacts with phosphoric acid.
Calculate thePH at the equivalence point in titrating 0.100 M solutions of each of the following with 9.0×10^ 2 M NaOH... calculate the ph for HCLO2
Using the Henderson-Hasselbach equation, calculate the volume of 0.10 M Na2HPO4 and 0.10 M NaH2PO4 that would be required to make 100.0 mL of a 0.10 M (total phosphate concentration i.e. HPO4 + H2PO4) buffer with a pH of 6.91.
calculate the moles of CO2 you would theoretically expect from 0.203 grams of an alka-seltzer tablet at 700. torr and 285. K.
Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and that the alcohol vaporizes at 25. Suppose that 1.15 of rubbing alcohol evaporates from a 65.0 aluminum block.
Calculate the values of q, w, delta U, and delta H for the reversible adiabatic expansion of 1 mole of a monatomic ideal gas from 5.00 m^3
A solution is prepared by mixing 80.0 mL of alcohol with enough water to give 200.0 mL solution. Calculate the % v/v concentration of alcohol in the solution.
Hydrogen peroxide H2O2 decomposes according to the equation: H2O2(liquid) = H2O (liquid) + 1/2O2 (g) From the following data, calculate the value of delta G for this reaction at 25 degrees C for a mol of hydrogen peroxide.
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