Chemistry, 10.10.2021 20:50 elizabethhubbe
If an ion has a -2 charge, how many extra electrons do you add to the lewis structure
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Chemistry, 21.06.2019 18:30
Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.
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Chemistry, 22.06.2019 03:50
What is the temperature of one mole of helium gas at stp?
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Chemistry, 22.06.2019 18:00
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, 22.06.2019 19:30
Helium decays to form lithium. which equation correctly describes this decay?
Answers: 2
If an ion has a -2 charge, how many extra electrons do you add to the lewis structure...
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