Chemistry, 29.01.2021 18:10 jebjeb6135
Which two elements have the most similar chemical properties?
A)Cl and Ar
B)Be and Mg
C)Na and P
D)Ca and Br
Answers: 1
Chemistry, 21.06.2019 14:30
Which statement justifies that phosphine (ph3) is a polar molecule?
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Chemistry, 21.06.2019 23:00
When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )
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Chemistry, 22.06.2019 21:50
Given the data below for the reaction, 2 a + 2 b + 4 c => d + e + 3 f, the reaction is fill in the [ ] order in a, fill in the [ ] order in b, fill in the [ ] order in c and fill in the [ ] order overall. (use the words "first, second, third, fourth" to fill each blank)experimentinitial conc of a, mol/l initial conc of b, mol/l initial conc of c, mol/l initial rate, mol/l.s1 0.1 0.1 0.2 2 x 10-32 0.2 0.3 0.2 6 x 10-33 0.3 0.1 0.2 2 x 10-34 0.4 0.3 0.4 1.2 x 10-2
Answers: 2
Chemistry, 22.06.2019 23:00
What is the average rate of the reaction between 10 and 20 s?
Answers: 1
Which two elements have the most similar chemical properties?
A)Cl and Ar
B)Be and Mg
...
B)Be and Mg
...
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