What is the formula for sodium sulfide?

a.) Na3S

b.) NaS2

c.) NaS

d.) Na2S

How does the arrangement of the particles in a gas compare to that of a solid

Which type of chemical reaction is Cs+N2>Cs3N

Which of these terms refers to matter that could be heterogeneous? (1) element (3) compound (2) mixture (4) solution

A medical research lab in Europe is studying a drug's absorption in the blood. Another lab in Japan is trying to delay the elimination of this drug from the blood so that it can act in the body for a longer period of time.

In the Hall-Heroult process, a large electric current is passed through a solution of aluminum oxide dissolved in molten cryolite, resulting in the reduction of the to pure aluminum.

What is the difference expressed in kilograms between the mass of proton and the mass of electon?

A molecule from a new organism contains adenine, cytosine, guanine, and thymine. What molecules is being looked at?

In what pH range does phenol red change from yellow to pink

Given the generic chemical reaction below write the rate of the reaction

23 For a reaction at equilibrium, which change can increase the rates of the forward and reverse reactions?