An element like silicon is not usually used to make wires or pans because it what?

How many moles of water, H2O contain 2.0x10^22 molecules of water

Based on the electromagnetic spectrum what is the relationship between wave length and frequency

Which interactions and processes contribute to the dissolution of ionic compounds in water? Check all that apply. a. Hydrationb. Affinity of oxygen towards cationsc. Ion-dipole interactionsd. Hydrogen bondinge. Affinity of hydrogen towards anionsf.

During heating or cooling processes, how are changes in enthalpy and temperature related?

A. 250 Kelvin to Celsius

A sample of three mixed gases is at 632.0 mmhg. if the partial pressure of co2 is 124.3 mmhg and the partial pressure of n2 is 461.9 mmhg, what is the partial pressure of o2?

How do the products and reactants of a chemical change compare? The mass of the products is greater than the mass of the reactants because energy is taken in by the reaction.

All the following are characteristic properties of phosphorus. Which one is a chemical property? (a) When exposed to air, white phos - phorus will burn spontaneously, but red phosphorus will not. (b) Red phosphorus and white phos - phorus are solids.

What are the monomers of proteins called

What type of fermentation occurs in yeast?