Test 2  [ENDORSED]

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Celeste Martinez 1K
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Test 2

Postby Celeste Martinez 1K » Thu Apr 19, 2018 9:17 pm

For test 2 and future tests/exams, are we suppose to memorize constants, conversions, or any formulas? Also for wavelength, which units are preferable, m or nm?

Kuldeep Gill 1H
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Re: Test 2  [ENDORSED]

Postby Kuldeep Gill 1H » Thu Apr 19, 2018 10:01 pm

On the Chem 14A website, there is a link titled constants and equations.. this is what will be given to us, everything else other than a periodic table is what we would have to know. As far as wavelength I think either is okay as long as the question does not specify but remember in terms of the equations you would use the unit m.

Luis Torres 1C
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Re: Test 2

Postby Luis Torres 1C » Fri Apr 20, 2018 4:28 pm

If you recall from test 1, we were given a cover sheet of constants and equations. I know that same cover sheet is being provided for test 2 and test 3, but I am not positive about the midterm/final. As for the units, as long as the question does not specify, you are free to use whichever. nm are usually more practical.

Alondra Juarez section 1E
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Joined: Fri Sep 29, 2017 7:03 am

Re: Test 2

Postby Alondra Juarez section 1E » Sun Apr 22, 2018 12:40 pm

for the test we are going to be given the constant but I do believe that we might need to know the formulas that we are to use.

Jesus A Cuevas - 1E
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Re: Test 2

Postby Jesus A Cuevas - 1E » Sun Apr 22, 2018 12:59 pm

In short, no we are not expected to memorize the formulas since we will be provided a formula and constant sheet for all exams. However, we will be expected to know which formula to use and how to appropriately manipulate the formula for the given question. (i.e. p*c = ((h*c)/λ) ----> p = (h/λ) or E = h*v = h(c/λ)). And the preferred units for wavelength will be dependent on what units are asked for in the question.

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