A balloon has a volume of 456 ml at standard pressure. It is taken under water in a submarine until the air pressure is 2508 mm Hg. Assuming the temperature remained
constant, what is the final volume of the balloon?
273 ml
Oь
1505 ml
5.5 ml
138 ml

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

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o

Which of the following is not true about the atomic model of substances?