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An acid solution is 0.100 M in HCl and 0.190 M in H2SO4.What volume of a 0.150 M KOH solution would have to be added to 550.0 mL of the acidic solution to neutralize completely all of the acid?
if 25.0 milliliters of .2oo molar BrO3- is mixed with 30.0 milliliters of .450-molar Br- solution that contains a large excess of H+, the amount of Br2, formed, according to the equation above, is ?
What is the pH of a solution prepared by mixing 25 mL of 0.10 M methylamine with 25 mL of 0.10 M methylammonium chloride?
how many moles of oxygen are consumed each time 0.500 mole of P2O5 is formed?
How many milliliters of 0.100 M NaOH(aq) would be needed to completely neutralize 50.0 milliliters of 0.300 M HCl(aq).
If the heat capacity of the calorimeter and its contents is 13.43KJ/C, what is the enthalpy change for the reaction?
Choose the reaction type that is most likely to occur if the two chemical species given in each question are mixed. Assume that all acids, bases, and salts are dissolved in water.
At 80 °C the vapor pressures of pure liquids X, Y, and Z are 385, 190, and 66 mm Hg, respectively. What pressure must be exerted on the surface of a solution containing one mole of X, three mole
If the concentration of NO2 is 5.5 × 105 ppm, and the total pressure is 790 torr, what is the partial pressure of CO in the flask?
It contains 57.8 percent C, 3.64 percent H, and 38.5 percent O. The molar mass is known to be approximately 166 g/mol. What is the molecular formula of terephthalic acid?
A zero-order reaction has a constant rate of 3.40×10-4 . If after 45.0 seconds the concentration has dropped to 3.50×10-2 , what was the initial concentration?
The container is 28.3cm higher than the level in the arm open to the atmosphere, and the atmospheric pressure reading outside the apparatus is 1.021 atm?
Determine the Kelvin temperature required for a 0.0470 mol of gas to fill a balloon to 1.20 L under 0.988 atm of pressure.
Suppose 5.0 mol of antimony (III)fluoride is added to 10.0 mil of carbon tetrachloride. How many grams CCl2F2 and SbCl3 are there if the reaction is 100% complete?
0.90 g of hydrogen chloride (HCl) is dissolved in water to make 2.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
Carbon disulfide burns with oxygen to form carbon dioxide and sulfur dioxide in the following manner:
Calculate the Calorimeter Constant if 25 g of water at 60C was added to 25 g of water at 25C with a resulting temperature of 35C?
When mixed together as descripbed in the procedure, the intensity of the FeSCN 2+ absorbance will be less than half the original intensity. Explain why.
a solution is prepared by dissolving 20.0 g of NaI in enoug water to make 300 mL of solution How many moles of ions are in 25.0 mL of the solution?
A solution is prepared by adding 80.0 mL of 0.090 M HBr to 130.0 mL of 0.50 M HI. Calculate the concentrations of all species in this solution. HBr and HI are both considered strong acids.
sodium-24 is a radioistope with half life of 15 hors. A sample of pure sodium-24 has an inital mas of 400.0g. what mass of sodium-24 remains after 60 hours?
After the reaction, the volume of the system was 2.20 L. Calculate the total internal energy change, , in kilojoules.
Calculate the concentration of CO (ppm) in the stack gas.
Calculate the final temperature when a 20.4 gram sample of ice at 0oC is placed into a styrofoam cup containing 111 grams of water at 72.7 oC.
The addition of 6 g of salt to a sample of pure water causes its freezing point to be reduced from 0°C to -1.5°C. After an additional amount of salt is dissolved in the solution, its freezin