Chemistry, 29.01.2022 23:00 anaalashay
Two students were hunting for rocks and minerals to take to science class to identify. They were going to use the properties of rocks and minerals to help with the identification. They noticed that the rock shown in the image has luster. That means it must contain a mineral that is a metalloid, non-metal, hy metal D rare earth element. Please help!!
Answers: 1
Chemistry, 22.06.2019 07:00
6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space
Answers: 2
Chemistry, 22.06.2019 17:50
Cryolite, na3alf6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.1.) balance the equation: - alo3(s)+naoh(l)+hf(> na3alf6+h2o(g). 2.) if 17.5 kilograms of al2o3(s), 51.4 kilograms of naoh(l), and 51.4 kilograms of hf(g) react completely, how many kilograms of cryolite will be produced? 3.)which reactants will be in excess, (al2o3, naoh, or hf) 4.)what is the total mass of the excess reactants left over after the reaction is complete in kg?
Answers: 2
Two students were hunting for rocks and minerals to take to science class to identify. They were goi...
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