Pre-Lab:Lab Report #1 CHEM2123

Using the numbers above the dot structures, click the numbers of the correct dot structures only. Ex: if only #1 and 2 are correct, click 1 and 2 only. 1 ●2 Ca: F: 2 7 6 3 5 1 2 4 3 H 4 5 7 6 [ANN]

Based on the TLC plate shown below, which lane contains the most non-polar compound? -1--+--|- 2 3 1 0 1 O 2 3

Using the numbers above the dot structures, click the numbers of the correct dot structures only. Ex: if only #1 and 2 are correct, click 1 and 2 only. 1 Ca O 5 4 1 3 7 2 2 14: 3 LiO 4 5 6 7 Al He: Ne: 00 12

Question 2) A polar compound will have a    (smaller/larger) Rf when a polar stationary phase is used

Considering IR spectroscopy, which of the following statements is incorrect?   Question 20 options:   Primary amines produce two signals resulting from symmetric stretching and asymmetric stretching   C=O bonds produce strong signals in an IR spectrum while C=C bonds often produce a weak signals   Symmetrical C=C bonds and C≡C bonds do not produce signals   Concentrated alcohols give rise to broad signals while dilute alcohols give rise to narrow signals   Carboxylic acids exist as dimer due to hydrogen bonding and thus produce a narrow signal at 3600 cm-1 and a characteristic signal due to C=O at 1700 cm-1

Part A Find the number of ibuprofen molecules in a tablet containing 155.0 mg of ibuprofen (C13 H18 O2). Express your answer using four significant figures. ΑΣφ molecules G Search or type URL esc & dele 7. 8. 3 4 T 11 G K S 1) C V 38 36 command option command

What is the meaning of the term tertiary (3°) when it is used to classify amines? Draw a structural formula for the one tertiary (3°) amine known as Hünig’s base (N,N-diisopropylethylamine).

4. Circle and identify all the functional groups in the chemical structure of Pfizer COVID 19 antiviral oral drug Nirmatrelvir as shown below ( ems NH

111 Naming and Drawing Organic Molecules Drawing a skeletal structure from a condensed structure Draw a skeletal ("line") structure of this molecule: OH CH3 C-CH2-CH=CH2 OH Click and drag to start drawing a structure. Explanation Check алл P σ Ö X MacBook Air G P 2/5 Julianna ? Ar 2024 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessibility A1 F12

Do not give handwriting solution.

Design a procedure to distinguish between the following four substances: CH3OH(1), KI(s), C12H22011(s), and C,H61). Hint: Picture it like you have 4 beakers. You know one beaker has CH30H, one beaker has KI, one beaker has C12H22011, and one beaker has C6H6. However you don't know which beaker is which for sure. You need to design a series of tests you could do in order to label each beaker with the compound it contains. For example, you might say something like "First, I will do a test; this will tell me because Now, I am down to 3 beakers...."

MgBr H20 "Me Et

Check the box under each molecule in the table below that is an isomer of this molecule: OH OH If there are no isomers, check the none of the above box under the table. HO OH OH Onone of the above R да HO OH X 5

The compounds below are natural products. Dopamine is a neurotransmitter, and capsaicin is the compound that makes peppers spicy. In their neutral forms shown below, how many lone pairs are present in dopamine and capsaicin HO NH2 HO. HO dopamine capsaicin

Circle and label the functional groups in the following:

Please do no with students who have not yet After your first attempt, you may retake the quiz one additional time. In order to n Question 1 What is the molecular formula of the following compound? Please write your answer using this format: C25H32NO Question 2 NH₂ What orbitals overlap to form the indicated carbon-carbon bond?

Provide all significant resonance structures for celecoxib     Please don't provide handwriting solution

Check the box under each molecule that has a total of two β hydrogens. If none of the molecules fit this description, check the box underneath the table.

What functional groups are presented in the following molecule all that apply

Is there a molecule that could have the common name "methylmalonic acid"? If so, draw its skeletal structure in the drawing area below. If not, check the box under the drawing area. Click and drag to start drawing a structure. There is no such molecule. X Ś X :0 Ś +

I keep getting this wrong and I've tried 6 different ways. I also cant put bonds on only one element if they are combined. The system doesnt allow me to.  Draw the structure of dopamine. Be sure to draw the nonbonding electron pairs.

Draw the skeletal ("line") structure of ethylmethylpropylamine. Click and drag to start drawing a structure. :0 Undo 1)

Identify 2 functional groups in each molecule present.

What is the Name of the compound below? CH3CH2- CH3 N-CH2CH3 Diethyl methyl amine N-Methylbutan-1-amine N-Ethylpropan-1-amine Ethyl dimethyl amine

Draw the attraction between a water molecule and a molecule of PCl3 First, draw one molecule and add the partial charges where needed - use the ΔEN to determine the types of bonds.  Then, draw the second molecule so that the δ+ on one molecule lines up across from the δ- on the other.  Since we can't draw the molecules here you will answer questions about the drawings that you made on the homework worksheet. PCl3 has  ________ bonds with a ΔEN =  ________ . PCl3 has 4 REDs and is symmetrical/asymmetrical (answer is  ___________ ) making it a polar/nonpolar (answer is  ___________ ) molecule. Each Cl has a  __________ charge and the P has a  __________ charge.   H2O has 2  ________ bonds with a ΔEN =  +__________ .   H2O has 4 REDs and is symmetrical/asymmetrical (answer is  _________ ) making it a polar/nonpolar (answer is  __________ ) molecule.   Each H has a  ___________ charge and the O has a  _________ charge.   The strongest possible attractive force between these two molecules…