material engineering
see attachment please
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Chemistry Discussion Question
Explain how the study of living materials requires an understanding of chemistry. Provide one example to support the idea that studying the human body would be difficult if not impossible without understanding the molecular components.
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true or false: the volumes of one mole of diffrent solid and liquid substances are the same
true or false: the volumes of one mole of diffrent solid and liquid substances are the same
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chemical engineering class
i have an exam take home 50 points in my CHEE1000 class and i want a good quality
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analyticalChemistryToughJob
Can any of you do it perfect ? fulfilling all guidelines
please reply asap
i m attaching a zip file for help as well.
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Aleks question
Need this question answered to 100 % accuracy with correct significant figures and units
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I need help in organic chemistry
http://www.csun.edu/~hcchm007/333su15e3.pdf
http://www.csun.edu/~hcchm007/333s15f.pdf
http://www.csun.edu/~hcchm007/333su14e3.pdf
http://www.csun.edu/~hcchm007/333f13f.pdf
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11 Grade Chemistry Writing Chemical Equations
I need these 10 question answered follow instructions on paper please
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CHEMistry Homewrok !
for normax
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Biochemistry homework
1. ) how many grams of sodium succinate (MW=140 g/mol) and disodium succinate (MW 162 g/mol) must be added to 1 L of water to produce a solution with pH 6.5 and a total solute concentration of 40 mM? The pKa is 5.64.
2.) You are hired in a lab and are asked to make a buffer of a pH of 10.2.
a. What acid/ conjugate base pair is best for this solution? Why?
b. Calculate the amount (in grams) of the acid/ conjugate base you should combine to get 2L of 0.5 M solution.
3.) Buffers are important physiological compounds that resist change in pH.
a). Calculate the pH of the buffer system that is 0.75 M benzoic acid and 0.25 M benzoate if pKa=4.2
b). Calculate the number of moles of benzoic acid that are required to make a liter of 0.25 M buffer solution at the pH calculated in part a
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We Acceppt
