Chemistry, 02.01.2020 05:31 uwauwa1234
Identify the group number in the periodic table of x, a representative element, in each of the following ionic compounds: al2x3, xco3
Answers: 2
Chemistry, 22.06.2019 06:00
According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead
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Chemistry, 22.06.2019 11:00
The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.
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Chemistry, 22.06.2019 14:10
Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?
Answers: 1
Chemistry, 22.06.2019 17:40
How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?
Answers: 3
Identify the group number in the periodic table of x, a representative element, in each of the follo...
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