Which of the following statements is correct in regards to density?

a-pressure is directly proportional to density.
b-pressure is inversely proportional to density.
c-temperature is directly proportional to density.
d-temperature and pressure do not affect density.

Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound