Chemistry, 09.05.2020 04:57, alejandrosaaved1
RUESLIUI II PUNTIL)
According to the principle of faunal succession, what must be true of the fossils on a
layer below?
O younger than the fossils above
older than the fossils in the layer above
the same age as the fossils in the layers above
identical to the fossils in the layers above
Answers: 3
Chemistry, 22.06.2019 15:30, sanchez7489
Draw the lewis dot structure for each of the following polyatomic ions
Answers: 1
Chemistry, 22.06.2019 17:50, kaylamount
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
Chemistry, 23.06.2019 00:30, mariaramirez110379
On the periodic table, elements are arranged by which of the following. a. mass numbers. b. increasing atomic number. c. alphabetical order. or d. density
Answers: 1
RUESLIUI II PUNTIL)
According to the principle of faunal succession, what must be true of the f...
According to the principle of faunal succession, what must be true of the f...
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