Answer as soon as possible
which term a property of a mineral?
a- reflections
b- sharpness
c- composed of carbon
d- streak

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

Why can water dissolve many ionic compounds

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ