11. Work out the mass of the solute in the following solutions a) 250cm3 of a 2 M solution of Ca(OH)2

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

with this one i know the answer in craters one reason i looked it up and i learned about it there is my evidence

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.