Match the following. match the items in the left column to the items in the right column. 1. the starting materials completely lose their properties to form new substances chemical change 2. a change from one state of matter to another phase change 3. a change in shape, size, or physical characteristics but remaining same substance law of constant composition 4. a pure compound consists of exactly the same elements in the exact same ratios by mass physical change 5. the smallest unit of a compound molecule
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Chemistry, 21.06.2019 20:00
Smog is the term used to describe the combination of fog and smoke
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Chemistry, 22.06.2019 09:30
Which formula can be used to calculate the molar mass of hydrogen peroxide
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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 13:50
What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.
Answers: 2
Match the following. match the items in the left column to the items in the right column. 1. the sta...
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