Getting for the first quiz of this unit.
Acids [H+] and bases [OH-] together produce a salt and water. Acids produce conjugate bases and bases produces conjugate acids. These can then change through reactions.
When converting H+ to OH- use the equation H+ = Kw/ OH- in which Kw = 1.0 x 10^-14 and this equation can be used with OH- interchangeably
H+ to pH and OH- to pOH uses -log and going from pH to pOH would subtract 14.
Here's a link that provides information. mrwiggersci
Sunday, January 31, 2016
Wednesday, January 27, 2016
Post 1 Acid and Base
We did another lab that involved the titration of vitamin c and iodine, which produced a clear color, and starch, which turned the solution blue to determine the concentration of vitamin c within different juices. Unsurprisingly, the grapefruit juice contained the most.
Sunday, January 17, 2016
Post 3 Aqueous Solutions
Our latest unit includes both stoichiometry and molarity in calculations that, just like stoichiometry, convert volume (ml, L) using molarity (mol/L) into mols which are then converted into the new unit.
Here's a video that goes over it. youtube
Here's another website that goes over the step by step process of calculating molarity using stoichiometry. yeahchemistry
Here's a video that goes over it. youtube
Here's another website that goes over the step by step process of calculating molarity using stoichiometry. yeahchemistry
Thursday, January 14, 2016
Post 2 Aqueous Solutions
We have recently finished gathering the data for the murder investigation lab which involved double replacement chemical reactions, determining which reactions produced solids which when then used to determine that the mystery poison was silver carbonate. Here's a link to the lab. murder mystery lab
We discovered that the culprit was Mr.Green.
Here's a reminder on: double replacement youtube
solubility rules chem
molarity occc , chemteam
We discovered that the culprit was Mr.Green.
Here's a reminder on: double replacement youtube
solubility rules chem
molarity occc , chemteam
Sunday, January 10, 2016
Post 1 Aqueous Solutions
We did a lab that went over the concentration of stocks which involved diluting a stock of food colored water until the coloring had disappeared. Overall, it was a fun simple lab that got us into the new unit.
Here's a website that goes over it. chemteam
Here's a website that goes over it. chemteam
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