Chemistry, 29.10.2019 18:31 Nextlevel3
An atom of argon in the ground state tends not to bond with an atom of a different element because the argon atom has 1). more protons than neutrons 2). more neutrons than protons. 3) a total of 2 valence electrons. 4). a total of 8? valence electrons
Answers: 1
Chemistry, 22.06.2019 18:00, kingamir
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
Chemistry, 23.06.2019 03:50, arimarieestrada
How many liters of oxygen gas, at standardtemperature and pressure, will react with 35.8 grams ofiron metal? 4 fe (s) + 3 o2 (g) → 2 fe2o3 (s)
Answers: 3
Chemistry, 23.06.2019 06:00, bvbbridesmaid5519
Is the flow of energy during vaporizing more like the flow during melting or during freezing
Answers: 1
An atom of argon in the ground state tends not to bond with an atom of a different element because t...
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