If 14.8 L of ammonia (NH3) are collected at STP, how many moles of water have reacted? __ mol H20

Li3N(S) + 3 H20(1) --> NH3(g) + 3 LiOH(aq)
**Report your answer to the correct number of significant digits!

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

Light waves can move through , but they travel fastest when they move through a(n) .

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.