Chemistry, 23.10.2019 21:00 gtemple22pdzs4j
Match the descriptions in the first columns with the terms in the second column.
first column
forms when electrons are shared unequally between two atoms.
the compound ki is held together by
results in no net charge on the atom
results in a partial charge on the atoms
forms when electrons are shared equally between atoms
forms when there is a complete transfer of one or more electrons
second column
a. polar covalent bond
b. non-polar covalent bonds
c. ionic bonds
Answers: 1
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Answer asap need by wednesday morning explain how a buffer works, using an ethanoic acid/sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
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Chemistry, 22.06.2019 19:30
Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol
Answers: 3
Match the descriptions in the first columns with the terms in the second column.
first...
first...
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