CHEMISTRY!! 50 POINTS! There are 5.5 L of a gas present at -38.0 C. What is the temperature if the volume of the gas has changed to 1.30 L?

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

What are the first three quantum numbers for the electrons located in subshell 2s?

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?