Answers: 2
Chemistry, 21.06.2019 15:00
1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )
Answers: 1
Chemistry, 22.06.2019 12:30
Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.
Answers: 2
Chemistry, 22.06.2019 23:50
Be sure to answer all parts. the following equilibrium constants were determined at 1123 k: c(s) + co2(g) โ 2co(g) k'p = 1.30 ร 1014 co(g) + cl2(g) โ cocl2(g) k''p = 6.00 ร 10โ3 calculate the equilibrium constant at 1123 k for the reaction: c(s) + co2(g) + 2cl2(g) โ 2cocl2(g) 4.68 ร 10 9 (enter your answer in scientific notation.) write the equilibrium constant expression, kp:
Answers: 3
Which trophic level contains the secondary consumers?...
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