Hey can you help please

In this reaction n2o4(g)→2no2(g) what changes in color would you expect as pressure is increased at a constant temperature

You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap

Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?