Which of the following is a chemical property of water?

boils at 100 °C

Has a density of 1

gm/mL

Is liquid at room

temperature

Reacts with pure

sodium

What will happen if a fluid is heated?

What can be explained by the Arrhenius theory?

Which ion in the ground state has the same electron configuration as an atom of argon in the ground state

The pigment which determines skin color is.

A system absorbs 191 kj of heat and the surroundings do 120 kj of work on the system. what is the change in internal energy of the system?

When electrons are removed from the outermost shell of a calcium atom, the atom becomes A) an anion that has a larger radius than the atom. B) an anion that has a smaller radius than the atom. C) a cation that has a larger radius than the atom.

A molecule of an unsaturated hydrocarbon must have 1) at least one single carbon-carbon bond 2) at least one multiple carbon-carbon bond 3) two or more single carbon-carbon bonds 4) two or more multiple carbon-carbon bonds

A 8.85 g sample of hydrate of sodium carbonate, Na2CO3 ∙ XH2O was heated carefully until no more mass was lost from the sample. After heating, the final weight of the material was 7.55 g. How many moles of water left the compound? 0 moles

PF3Br2 is a nonpolar molecule. Based on this information, determine the F-P-F bond angle, the Br-P-Br bond angle, and the F-P-Br bond angle. Enter the number of degrees of the F-P-F, Br-P-Br, and F-P-Br bond angles, separated by commas (e. g.

Using your periodic table identify the radioactive isotope;