A gas exerts 4.5 atm at 25 C. How much pressure will exert at 50 C ? Assume constant temperature

Find the empirical formula of each of the following compounds. given mass or for each element in a sample of the compound 3,611 g ca; 6.389 g c1

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

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