Exam II Marathon
Calculate the volume (in mL) of 0.500 M NaOH (aq) solution needed to completely neutralize 50.00 mL of a 0.125 M H2SO4 (aq) solution?
25.0 mL
12.5 mL
125 mL
62.5 mL
Argon-fluoride lasers are commonly used in corrective eye surgery. If this laser light has a wavelength of 185 nanometers (nm), what is the energy of one mole of Argon-fluoride laser photons in units of kJ/mol?
647 kJ/mol
570 kJ/mol
598 kJ/mol
620 kJ/mol
Which of the following statements regarding the characteristics of electromagnetic radiation is FALSE?
Wavelength (λ) and frequency (ν) are directly proportional to each other
Energy (E) and frequency (ν) are directly proportional to each other
Energy (E) and wavelength (λ) are inversely proportional to each other
Wavelength (λ) and frequency (ν) are inversely proportional to each other
According to the reaction given below, how many grams of Fe(OH)2 (s) is formed when 250 mL of 4.54 M LiOH (aq) reacts with excess FeCl2 (aq)?
35.7g
17.8g
25.5g
51.0g
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