Chemistry, 19.10.2019 11:00 isobelbunney
Guys heres a chance to earn many much points:
1. define valence electron and identify number of valence electrons in an element using periodic table
2. describe and identify properties of chemical bonding: ionic and covalent
3. identify the elements and calculate the number of atoms in a chemical formula
4. identify special properties of water including surface tension and specific heat (5.04)
5. explain how the bonds between water molecules affect its properties
6. compare acids and bases. be able to explain their properties and
give examples
7. know ph scale and explain hydronium and hydroxide concentration
8. explain how to use an acid-base indicator to determine ph
give correct answers or i will !
Answers: 1
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Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage
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Chemistry, 22.06.2019 09:00
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 09:00
Ineed to find the answer of this question because i dont understand it
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Chemistry, 22.06.2019 19:50
If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?
Answers: 2
Guys heres a chance to earn many much points:
1. define valence electron and identify n...
1. define valence electron and identify n...
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