(SOMEONE HELP ME PLEASE) Metamorphic Rock: Rocks which form when igneous, sedimentary, or even metamorphic rock is by extreme or .
▪are “morphed,” or changed to a different kind of rock.
▪Usually form in the Earth
▪This heat and pressure can be caused by processes such as , and .

Does anyone know the answers to this?!

You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. the only problem is that you do not know what element will form. by your previous calculations you know that you will have 6.3 moles of product. when it is complete, you weigh it and determine you have 604.4 grams. what element have you produced?

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?