How many moles of PbS are equivalent to 458g PbS

Which of these would decrease the solubility of a solid in water?

Describe the results of a physical change and list three examples of physical change.

A sentence where kinetic energy of matter and temperature are both explained

Which indicator most likely suggests that a chemical change is taking place? change in size change of color change of state change in shape

You inoculate bacteria in a broth culture and bacteria only grew at the very bottom of the tube. How would you best describe the oxygen utilization of this bacterium?

What is the concentration of a solution containing 1.11 g sugar (sucrose, C12H22O11, MW = 342.3 g/mol, d = 1.587 g/cm3) in 432 mL glycerine (C3H8O3, MW = 92.09 g/mol, d = 1.261 g/cm3) in molarity and molality.

What's the name of a wave moving along a line?

Does the energy in a solid increase or decrease when changing to a liquid?

Is iron a substance or mixture?

How can scientists study the composition of distant stars?