Chemistry, 21.01.2021 22:20 cuppykittyy
What value was there in predicting the properties for gaps in Mendeleev’s table?
A. It created spaces for missing elements.
B. It helped in the discovery of new elements.
C. It helped in finding uses for the elements.
Answers: 3
Chemistry, 21.06.2019 17:10, PSBSolarYT
For which one of the following reactions is the value of δh° rxn equal to δh° f for the product? a. 2 h2 (g) + o2 (g) → 2 h2o (l) b. n2 (g) + o2 (g) → 2 no (g) c. 2 h2 (g) + o2 (g) → 2 h2o (g) d. h2o (l) + 1/2 o2 (g) → h2o2 (l) e. none of the above
Answers: 1
Chemistry, 22.06.2019 04:30, terrancebest
Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat
Answers: 2
Chemistry, 22.06.2019 19:00, Jasoncookies23
How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy
Answers: 1
What value was there in predicting the properties for gaps in Mendeleev’s table?
A. It created spac...
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