An infrared wave traveling through a vacuum has a frequency of 4.0 x 1014 Hz. What is the wave's wavelength? O 7.5 x 107 m
O 7.5 x 10-7 m
O 1.2 x 1014 m
O 1.2 x 10-14 m

Elements that do not have full outer electron shells will donate, share, or take electrons from other atoms. choose the items that have the correct binary ionic formula.

‘which reaction would most likely require the use of an inert electrode?

Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3