Chemistry, 13.05.2021 18:30 miyahvictoria
Two elements are found together in a substance. They are not chemically combined. Is this substance an element, a mixture or a compound?
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Chemistry, 21.06.2019 18:30
Calculate the change in entropy if br2(l) is converted into gaseous br atoms. s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)
Answers: 2
Chemistry, 22.06.2019 11:50
The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a
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Chemistry, 23.06.2019 07:00
Which of the following statements is true? an atom consists of protons, electrons, and neutrons.an atom consists of protons and neutrons.an atom consists of electrons bonded to one another.an atom consists of protons bonded to one another.
Answers: 1
Chemistry, 23.06.2019 20:00
Within nonmetals,ions that have more electrons tend to be bigger than ions that have fewer additional electrons why?
Answers: 1
Two elements are found together in a substance. They are not chemically combined. Is this substance...
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