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A railroad car of mass 23200 kg moving at 4.33 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 2.63 m/s. What is the speed of the three coupled cars after the collision? Answer in units of m/s.
How much kinetic energy is lost in the collision? Answer in units of J.
Question- A 100 mL sample of .18 M HClO4 is titrated with .27 M LiOH. Determine the pH of the solution before the addition of any LiOH. a) Determine the pH after the addition of 30 mL of LiOH.
the oxygen gas emitted by an aquatic plant was collected over water at a temerature of 293 k and a total pressure of 755.2 mmhg.
1. calculate the ph of each of the following solutionsa. .100 m hc3h5o2 ka1.3 x 10-5b. .100 m nac3h5o2c. pure h2od. a
A metal, M, was converted to the chloride, MCl2. Then a solution of the chloride was treated with silver nitrate to give silver chloride crystals
PH And Percent Ionization, 1. Determine the pH and the percent ionization in a 0.50M solution of KOBr. The Ka for HOBr = 2.5 x 10 ^ -9.
When 1.00 mol H2S was put into a 10.0 L vessel and heated to 1132 degrees Celcius , it gave an equilibrium mixture containing 0.0285 mol H2. what is the value of Kc at this temperature
a naturally occurring element a exists in three forms of its isotopes a-28 27.977 amu 92.23 abundance a-29 28.976 amu
A 10.00 g sample of sucrose (C12H22O11) was dissolved in 200.0 g H2O. What will be the vapor pressure of this solution at 100C? Sucrose is non-disscociated, non-volatile solute.
Assume you have a jar of pulverized rock to test. Create a detailed 4-step procedure describing how you expect to go about doing this.
How much of a 12.0 M HNO3 solution should you use to make 850.0 ml of a 0.250M HNO3 soution? C) How much of a 5.0 M sucrose solution should you use to make 85.0 ml of a 0.040 M solution?
Calculate pCO2+ at each of the following points in the titration of 25.00 mL of 0.02022 M CO2+ by 0.03855 M EDTA at pH 6.00.
Determine what is the total mass of glucose in 5.10L of blood If a person has a glucos level of 108 mg.100mL, ? express your answer in grams?
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