What is the pressure in mm of Hg of 3.50 X 10-4 moles of a gas in a 1.12 X 10-1 L container at a temperature of 0.00°C?

What energy is it when you flip on a switch on a lamp

What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m

Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction