General Chemistry Answers

Calculate the concentration of C6H5NH2, H3O+, and OH− in a 0.230 M C6H5NH3Cl solution. (Kb(C6H5NH2)=3.9×10^−10

Calculate the concentration of C6H5NH3+ and Cl− in a 0.230 M C6H5NH3Cl solution.  

Common aspirin is acetylsalicylic acid, which has the structure shown below and a pKa of 3.5. Calculate the pH of a solution in which one normal adult dose of aspirin (650 mg

mg ) is dissolved in 6.0 ounces of water.

Calculate the pH

pH of a solution in which one normal adult dose of aspirin (650 mg

mg ) is dissolved in 6.0 ounces of water.

iron reacts with sulfuric dilute acid. given the same mass of iron, which form of iron will react the fastest when acid is added and which will react slower ?

iron wool

iron filings

iron nails

a block of iron

. The red spectral line of lithium occurs at 671nm.calculate the energy of one photon.

 240 dm³ of air at s.t.p is compressed to 17 atmospheres in a compression tube. Determine the volume in dm³ occupied in the tube.

The vehicle that was transporting the dynamite sticks in Part A has been struck by another vehicle. A small fire appears to be spreading from a tire on a vehicle at the scene of the accident. Identify the explosive material that could be involved, and describe the chemical interaction that could be occurring as a result of the collision between the two vehicles. What immediate action should the EHS and FS responders take to protect human health and the environment?

A sample of gas occupies a volume of 300 ml at a pressure of 0.5 atm and a temperature of 22 0 C.

Calculate the new pressure if the volume is decreased to 220 ml at a constant temperature.

pretend you are a water molecule describe the journey you take and what happens to you as you transition between the solid liquid and gas phases you can journey in whichever direction you please as long as your energy changes and your phase change terminology is correct