Chemistry, 12.09.2021 14:00, lclaudettecarte3550
When an electron moves from one energy level to another, if the transition is to a energy level, energy is absorbed, and a photon is by the atom.
Question 16 options:
higher; absorbed
higher; emitted
lower; emitted
lower; absorbed
Answers: 3
Chemistry, 22.06.2019 01:30, lizethdominguez037
What is the value of keq for the reaction expressed in scientific notation
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, 22.06.2019 21:30, shiannethorn
How many liters of 3.0 m naoh solution will react with 0.60 liters of 4.0 m h2so4? h2so4 + naoh → na2so4 + h2o 1.2 l 1.6 l 2.4 l 2.8 l
Answers: 3
Chemistry, 22.06.2019 22:30, SavageKidKobe
Rank the four gases (air, exhaled air, gas produced from from decomposition of h2o2, gas from decomposition of nahco3) in order of increasing concentration of co2
Answers: 1
When an electron moves from one energy level to another, if the transition is to a energy level, en...
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