If an unknown mineral has a hardness between 5 and 9, what could you do to the mineral to find out more about its hardness?

An ionic bond forms between atoms of

What is the molality of a solution prepared by dissolving 82.2 g of ethylene glycol, hoch2ch2oh, in 1.50 l of water? assume the density of water is 1.00 g/ml?

You place a pan of water on the stove and turn on the heat. The water begins to boil. What is happening?

Can you determine the atomic weights of zinc or copper by the methods used in this experiment? how? what additional information is necessary in order to do this?

Which factor is most likely to determine which plants can survive in an area? (APEX) A. types of animals B. atmosphere pressure C. amount of rainfall D. human presence

Why are there so many volcanoes in and around japan

A liquid fuel mixture contains 30.35% hexane (c6h14), 15.85% heptane (c7h16), and the rest octane (c8h18). what maximum mass of carbon dioxide is produced

What is the suns color

A container has a volume of 200 L at 0.94 atm and 25 C. The pressure changes to 1.00 atm and the temperature changes to 0 C. What is the new volume of the container

f litmus paper is dipped in an acidic solution and then in a basic one, what will happen? The paper will turn from blue to red. The paper will turn from red to clear. The paper will turn from blue to clear. The solution will turn from red to blue.