A sample of oxygen initially at 350 K is heated to 450 K. If the initial volume of the gas was 1 L, what is the final volume (approximately)? (A) 1 L
b) 1.3 L
c) 2 L
d) 2.7 L

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device