1,708 Answered Questions for the topic biochemistry
10/17/19
Chemistry: Equilibrium Math Question 7
Consider the equilibrium between hydrogen sulfide and its gaseous elements:2 H2S(g) ↔ 2 H2(g) + S2(g) KP = 2.023E-6 at 908.0 Kif a vessel is initially charged with 8.35 bar of pure H2S(g), what is...
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10/17/19
Chemistry: Equilibrium Math Question 6
Determine the equilibrium vapor pressure of germanium metal at 508.0 C. The standard enthalpy of vaporization of germanium is 376.6 kJ/mol and the vapor pressure at 100 C is 1.6E-32 Pa. Be sure to...
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10/17/19
Chemistry: Equilibrium Math Question 5
A closed vessel is charged with 0.23 bar of hydrogen gas and allowed to react with excess I2(s) at 25 C.H2(g) + I2(s) ↔ 2 HI(g)What is the final equilibrium pressure of HI(g) in the vessel? KP = 0.284
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10/17/19
Chemistry: Equilibrium Math Question 4
At 25 C, the partial pressure of CO2(g) in a bottle of soda water is 1 bar. Calculate the equilibrium concentration of dissolved carbon dioxide under these conditions. The equilibrium constant for...
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10/17/19
Chemistry: Equilibrium Math Question 3
A2B ↔ 2A + BWith this simple equation, if you start with 0.815 M A2B, and at equilibrium 53% of it has decomposed, what is the equilibrium constant?
10/17/19
Chemistry: Equilibrium Math Question 2
The equilibrium constant for dissolving oxygen gas in aqueous solution is 1.33E-4. Compute the equilibrium concentration of dissolved oxygen, in mg L-1 when the partial pressure of O2 above the...
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10/17/19
Chemistry: Equilibrium Math Question
If a closed vessel is charged with 89000.0 Pa of nitric oxide and allowed to react with excess liquid bromine, what is the equilibrium partial pressure of the product?NO(g) + ½ Br2(l) ↔ NOBr(g)...
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10/16/19
AP Chemistry Question
Which of the following ions has the same number of electrons as Br -. A. Ca2+B. K+C. Sr2+D I-E Cl-
Is it possible to chemically synthesize blood?
Like we know all the chemical compositions of blood and add the ingredients. We even know the compositions of each blood group and synthesize it to be of a particular group, say A - (which is...
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Why does biological tissue shrink in ethanol?
Moving aldehyde-fixed biological tissue (in my case, 200um thickness mouse brain slices) from water to ethanol shrinks them considerably, even when transitioning slowly. I know that ethanol moves...
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Biochemistry Chemistry
09/23/19
CHEMISTRY stoichiometry and moles and combustion problem
Methanol has the chemical formula CH3OH. If 4 moles of methanol are combusted, how many moles of oxygen will be consumed? a- 2molb- 3 molc- 4 mold- 6 mole- not enough information
Biochemistry
09/17/19
The pH of the titration should plateau at a pH above_______
09/15/19
Molecules and Formula unit
some times we are asked to write the equation in particles form. I was wondering what is the difference between molecules and formula unit cause google didn't help.
09/09/19
Specific heat for Chemistry
A 121 g piece of metal is heated to 282 degree Celsius and dropped into a 85.0 gram of water at 26.0 degree Celsius. If the final temperature of water and metal is 58.4 degree Celsius, what is the...
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09/04/19
How much of each do we add? - DNA Extraction Buffer
We are given: 50 mls of DNA extraction buffer2% SDS, 100mM tris pH 8, 10mM EDTA, and proteinase K [1 ug/ml] How much of each do we add?
Biochemistry
08/29/19
Solve each of the following problems using one or more conversion factors: A container holds 0.470 qt of liquid. How many milliliters of lemonade will it hold?
Biochemistry
08/28/19
How many milliliters of gasoline have a mass of 1.0 kg (D=0.74g/mL)?
Biochemistry
08/27/19
Convert 5.5×1010 picoseconds to seconds.
Perform each of the following conversions using metric conversion factors.
08/05/19
Can I kill bacteria with distilled water?
Given that bacteria are hypertonic (contain more salts) compared to distilled water, and that they rely on ion concentration differences across the plasma membrane to survive, can I kill a...
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08/05/19
Are quaternary protein monomers unique to a particular protein complex?
I know that quaternary protein structures are formed exclusively via non-covalent bonds. My biochemistry professor discussed a viral capsid that is essentially one quaternary structure with 240...
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08/04/19
Cold water sour taste?
Recently I underwent a wisdom tooth extraction, and while there is still numbness I have observed something peculiar. If I drink cold water, it tastes sour, however the same effect is not observed...
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08/02/19
What if I can’t achieve a bachelor’s in Biology?? Help
Listen, I have wanted to go into the medical field my whole life. I know I will thrive in healthcare and that it is what I want to do; however, my issue is that I struggled with every single...
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