What can you conclude about the mass of iron (III) sulfide produced when 3.0 g of iron filings react completely with
2.5 g of yellow sulfur solid, 58(s?
A)1.59 Fe2S3
B)2.59 Fe253
C)3.5g Fe253
D)5.5g Fe253

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?