A vessel containing 39.5 cm3 of helium gas at 25 degrees Celsius and 106 kPa was inverted and placed in cold ethanol. As the gas contracted, ethanol was forced into the vessel to maintain the same pressure of helium. If this vessel required 7.5 cm3 of ethanol, what was the final temperature of the argon?

Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.

What is the mass of sodium in 3 moles of sodium chloride

How do scientists think that gravity affected the formation of our solar system?