Chemistry, 07.05.2021 22:30 payen96151
Which observation indicates that a chemical reaction has taken place?
O A substance becomes warmer.
O A material changes from a solid to liquid.
O Bubbles form when a liquid is heated.
O A new chemical substance is formed.
Answers: 2
Chemistry, 21.06.2019 19:10, cristinaledford3696
Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.
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Chemistry, 22.06.2019 09:00, SilverTheAmarok
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
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Chemistry, 22.06.2019 09:20, pandaman632
What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?
Answers: 1
Which observation indicates that a chemical reaction has taken place?
O A substance becomes warmer...
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