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Consider the titration of 30.0 mL of 0.030 M NH3 with 0.025 M HCl. The equivalence point is reached when 36 ml of HCl (titrant) is added. What is the pH at the equivalence point? (Kb of NH3 = 1.8 x 10-05) (a) For 36.0 mL of titrant, what is the pH?
A 1.994g sample of ethanol, CH3CH2OH is combusted in a bomb calorimeter. The temperature of the calorimeter increases by 10.91. If the heat capacity of the bomb is 615.5j/k and it contains 1.150kg of water, what is the enthalpy chnge per mol of et..
how many moles of oxygen are consumed each time 0.500 mole of P2O5 is formed?
The disappearance of X is monitored at timed intervals. Assume that temperature and volume are kept constant. The data obtained are shown in the table below.
Chlorine will spontaneously react with iodide to produce chloride and iodine.
Determine the molecular formula of the compound at the temperature of 120 degrees celsius and Pressure 750 mm hg, if 1 l of the gaseous compound weighs 2.3 grams? '
Calculate the mass of propylene glycol that must be added to 0.500 kg of water to reduce the vapor pressure by 4.60 torr at 40 degrees celcius.
If the temperature in the laboratory is 22.7oC and the atmospheric pressure is 0.966 atm, what volume would be occupied by the carbon dioxide produced in this reaction (in cm3)?
What masses of calcium sulfate and phosphoric acid can be produced from the reaction of 1.0kg calcium phosphate with 1.0kg concentrated sulfuric acid (98% H2SO4 by mass)?
The products of the fastest inactivation process are as explain the mechanism is accountable for the making of the products.
Understanding of Chemistry basics - explain a situation that violates the second law of thermodynamics?
2C2H6 + 7O2---> 4CO2 + 6H2O if the reaction produces 2.75 mol of H2O how many grams of CO2 are also produced?
Calculate the percent manganese in the sample as Mn3O4 (only part or none of the manganese may exist in this form, but we can make the calculations on the assumption that it does)
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