Describe the enthalpy of reaction among sodium hydroxide
Describe the enthalpy of reaction among sodium hydroxide (NaOH) and citric acid (H3Cit). Note that the neutralization reaction is:
H3Cit + 3 NaOH--->Na3Cit + 3H2O
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Describe the concentration of h+ in solution of .001 M NAOH? What is the ph? Calculate the concentration of OH- in a solution with H+ concentration of 1.3 x 10^-5? What is the ph?
The spring is primarily compressed by 45.0 cm and has negligible mass. If both blocks are released concurrently and the spring has dropped to the surface, m1 is found to encompass a speed of 2.5 m/s.
Describe the radius in the Angstroms at which the electron is most likely to be found. Suppose the species has an atomic number of 2. Write down for yourself the expression for the radial distribution function of a 2s electron in a hydrogenic atom
Soft Drink Taste Test A soft drink company wishes to introduce a new soft drink. The company is considering two flavors, lemon lime and cherry cola. In a sample of 125 people, it was found that
A cannon fires a shell at the angle of 45° above the horizontal. The shell consists of a mass of 15.7 kg, and its initial speed as it leaves the cannon is around 298 m/s.
Given that incident radiation of 5000A is used on a photocell containing cesium and the threshold wavelength of the photoelectric effect is 660 nm.
Discuss at what distance from the nucleus is the most probable point that a 2p electron will be found in the hydrogen atom? Submit the answer in units Angstroms.
The person is chosen at random from sample. Determine probability which person selected (a) had 2 injections, (b) did not get flu, and (c) got flu and had 1 injection.
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