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charle [14.2K]
3 years ago
7

Which term answers the question "how fast in what direction"

Chemistry
2 answers:
myrzilka [38]3 years ago
5 0
Velocity the direction and speed
Sholpan [36]3 years ago
5 0
Velocity :) .............
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Evidence of chemical reactions include changes in
trasher [3.6K]

Answer:

color, state, odor

Explanation:

7 0
3 years ago
A sample of the chiral molecule limonene is 79% enantiopure. what percentage of each enantiomer is present? what is the percent
Degger [83]

Answer :  The % of (+) limonene isomer = 79%


                The % of (-) limonene isomer = 0%


                The % of enantiomeric excess = 58%


Explanation :   Enantiomeric excess (ee) is the measurement of purity used for chiral substances.


Given,


% of pure limonene enantiomer = The % of (+) limonene isomer = 79%


Therefore, The % of (-) limonene isomer = 0%


Formula used :  

\%(+)\text{ isomer}=\frac{ee}{2}+50\%


Where,         ee → enantiomeric excess


Now, put all the values in above formula, we get the value of enantiomeric excess (ee).


     {ee}=\frac{\%(+)-50\%}{2}


            =\frac{79\%-50\%}{2}


              = 58%



7 0
3 years ago
Read 2 more answers
How many grams of hydrogen reacts with 32 g of oxygen to produce 34 g of hydrogen peroxide
nordsb [41]

Answer:

2 grams.

Explanation:

H2 + O2 --->  H2O2

Using molar masses:

2*1 g hydrogen   reacts with 2*16  g oxygen.

so 2g H2 reacts with 32 g O2.

8 0
3 years ago
Regions in DNA that encodes for
fenix001 [56]

Answer:

A gene is a region of DNA that encodes function. A chromosome consists of a long strand of DNA containing many genes. A human chromosome can have up to 500 million base pairs of DNA with thousands of genes.

Explanation:

8 0
3 years ago
If you are administering an oral acetaminophen dose of 320. mg from a bottle at a concentration of 32.0 mg/ml , how many millili
aliina [53]
The  number  of  milliliters of  the   solution  that you  need  to  give  to  the  patient  is  calculated  as  follows

32mg  is in  1  ml  of  the  solution
what  about 320mg
 =( 320mg  x 1 ml) /32mg=  10ml
4 0
4 years ago
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