Search found 6 matches

by Angelica Gomez 1A
Sun Jul 24, 2016 10:40 am
Forum: Calculating pH or pOH for Strong & Weak Acids & Bases
Topic: Ch.12 #59b [ENDORSED]
Replies: 2
Views: 369

Ch.12 #59b [ENDORSED]

"Calculate the pH, pOH, and percentage protonation of solute in each of the following aqueous solutions: b) 0.162 M NH2OH" When writing the chemical formula, how do you know if it is going to form OH- or H3O+? The solutions say it is NH2OH(aq) + H2O(l) <---> NH3OH(aq) + OH(aq). But couldn'...
by Angelica Gomez 1A
Tue Jul 19, 2016 6:52 pm
Forum: Naming
Topic: Writing chemical formulas [ENDORSED]
Replies: 1
Views: 165

Writing chemical formulas [ENDORSED]

When we are writing water in a chemical formula does it matter if we use "OH2" or "H2O"?
by Angelica Gomez 1A
Mon Jul 11, 2016 5:02 pm
Forum: Hybridization
Topic: Sigma and pi bonds [ENDORSED]
Replies: 2
Views: 258

Sigma and pi bonds [ENDORSED]

Is it necessary to draw a Lewis structure for a molecule in order to find out the number of pi and sigma bonds?
by Angelica Gomez 1A
Thu Jul 07, 2016 7:11 pm
Forum: Lewis Structures
Topic: Writing formulas for compounds [ENDORSED]
Replies: 2
Views: 516

Writing formulas for compounds [ENDORSED]

"Write the complete Lewis structure for each of the following compounds: a) Ammonium chloride b) potassium phosphide c) sodium hypochlorite."
How do we figure out the subscript for each element when we are writing the formula for the compound?
by Angelica Gomez 1A
Wed Jun 29, 2016 7:50 pm
Forum: Administrative Questions and Class Announcements
Topic: Quiz 1
Replies: 1
Views: 226

Quiz 1

For the first quiz are we supposed to know how to classify wavelengths according to the infrared, visible, and ultraviolet spectrum?
by Angelica Gomez 1A
Sat Jun 25, 2016 9:20 am
Forum: SI Units, Unit Conversions
Topic: Conversions [ENDORSED]
Replies: 8
Views: 1033

Conversions [ENDORSED]

What would I multiply "kJ" by to convert it into "J"? Would it be 1000?

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