Chemistry, 21.10.2019 23:10 woodsjnjoseph3
Sample x has a mass of 22.7 g and reacts with sample y to form sample xy with a total mass of 86.9 g. what is the mass of sample y?
Answers: 1
Chemistry, 21.06.2019 23:00
Why are the trends and exceptions to the trends in ionization energy observed?
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Chemistry, 21.06.2019 23:00
Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?
Answers: 1
Chemistry, 22.06.2019 06:00
Compare and contrast physical changes with chemical changes.
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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.
Answers: 2
Sample x has a mass of 22.7 g and reacts with sample y to form sample xy with a total mass of 86.9 g...
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