I have a gas at 1044.51oC and it has a pressure of 2987.5mmHg. If I change the volume from 12.890L to 48.56L and the pressure to 786.5mmHg, what will be my new temperature?

Drive down any three characteristic of modern periodic table

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

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?