An open u-tube manometer has a column of water 40 cm high on one side supporting a 31 cm column of an unknown fluid on the other side. What is the density of the unknown fluid.

indium, and thallium have three electrons i think

the potential energy of the reactants is 200j.

from the energy diagram, the energy of the product formed is 350j; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.