Chemistry, 05.07.2019 07:00 georgesarkes12
A) find out from the electron configurations in the picture what element preferably makes a compound with na. is it picture a, b,c or d? b)what substance is it? 1) neon 2) natrium 3) chlorine 4) magnesium c) what new substance could have been made out of the natrium and the element you chose?
Answers: 1
Chemistry, 22.06.2019 16:30
Asample of freon gas has a volume of 2.23 liters, a pressure of 4.85 kpa, and a temperature of -1.36°c. calculate the volume at a pressure of 1.38 kpa and a temperature of 5.5°c. (show work)
Answers: 1
Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Chemistry, 23.06.2019 06:00
If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes? or no? this question is worth 20 points! let it be correct!
Answers: 1
Chemistry, 23.06.2019 11:40
Which of the following would have the lowest average kinetic energy
Answers: 1
A) find out from the electron configurations in the picture what element preferably makes a compound...
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