When two solutions are combined a bright red precipitate is formed. Which is true of the precipitate? Im not sure what subject it is it’s science.

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa