1,377 Answered Questions for the topic biochemistry
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How much heat is required to warm 35.21g of liquid water at 88.53°C to steam (gaseous water) at 124.67°C?Specific Heat (ice) = 37.6 J/K*mol; Specific Heat (water) = 75.3 J/K*mol; Specific Heat...
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The enthalpy of fusion for aluminum metal is 10.9kJ/mol. How much heat is required to melt 9.75g of solid aluminum metal at its melting point? Report your answer in units of kJ. (Show steps)
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The specific heat of solid aluminum metal at 273.15K and 1 bar pressure is 0.897 J/g*K. When 27.49kJ of heat is added to a block of Al(s), the temperature rises from 280.9K to 337.3K. What is the...
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Biochemistry Chemistry
21h
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The specific heat of solid copper metal at 273.15K and 1 bar pressure is 0.385 J/g*K. How much heat (in units of kJ) is required to raise the temperature of 89.83g of Cu(s) from 288.3K to...
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Biochemistry Biology
7d
Explain the difference between oxidative phosphorylation and substrate-level phosphorylation.
Biochemistry
7d
What are the four levels of protein structure and what is one attribute of each level?
8d
Chemistry Conversion Question
When doing metric/unit conversions, how do you know when it is supposed to be multiple steps? For example one of my homework questions asks how many centimeters are in 8 nanometers. I have to go...
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19d
HELP PLEASEEEE ASAP
consider the reaction and write the letter of the correct answer. a. → b. ←PCl5(g) + heat←→PCl3 (g) + Cl226. Addition of C1227. Increase in pressure28. Removal of heat29. Removal of PCl330....
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Calculate the cell potential of the electrolytic cell
Calculate the cell potential of the electrolytic cell, identify the anode and the cathode and write thebalanced equation for the overall cell reaction that occurs according to the reaction shown...
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Determine if the reaction is spontaneous or not:
a. 3 Li + Al ⟶ 3 Li + Al3+ E ̊ = - 1.39 V
Asteroid split lab
Background: The two tables below contain both the assumptions and parameters needed to evaluate if the plucky heroes in Armageddon could save Earth. In order to miss, Earth two conditions must...
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Biochemistry
05/15/22
Titration Question
You titrate 25.0 mL of HCl solution of an unknown concentration with a 0.160 M NaOH solution. Complete neutralization of the HCl solution requires the addition of 41.6 mL of titrant.Calculate the...
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The circulatory system
using this diagram http://2.bp.blogspot.com/_Obwvpc-KSC4/S7_cIBqIOKI/AAAAAAAAAZA/ASV_3vwTe00/s1600/system+circulation.JPGwrite down where the blood flows. Starting from the small intestines going...
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Biochemistry Chemistry
05/14/22
Prepare 100. ml of 0.1 N H2S04 by diluting from original H2S04. Eq. wt. of H,S04 = 98/2=49 . dH2S04= 1.08 Purity =98%
Prepare 100. ml of 0.1 N H2S04 by dilutingfrom original H2S04.Eq. wt. of H,S04 = 98/2=49 .dH2S04= 1.08Purity =98%
Biochemistry Chemistry
05/14/22
Prepare 100. ml of 0.1 N H2S04 by diluting from original H2S04.
Prepare 100. ml of 0.1 N H2S04 by dilutingfrom original H2S04.Eq. wt. of H,S04 = 98/2=49 .dH2S04= 1.08Purity =98%I need the solution
Biochemistry Chemistry
05/14/22
100ml of 0.1 N H2SO4 by diluting from original H2SO4.
how to solve this? 100ml of 0.1 N H2SO4 by diluting from original H2SO4.Atomic mass of: O=16 , H=1 S=32d H2SO4=1.08 purity%=98%i need the solution.
05/12/22
What would be the % calcium in a leafy vegetable extract applying 30.50 grams sample absorbing 9.8 mL of 0.0575 M EDTA solution?
I had a hard time solving this because our given formula is shown like this:% = V x M.F. x titer value / Wt(mg) ÷ MW x 100I do not know how to identify the M.F. and the titer value based on the...
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Spiderman stops a train
Background: Spiders can lift up to 8 times their own bodyweightThe force spiderman exerts is constant over the period of time he attempts to stop the train.The info given:The weight of the Train...
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05/11/22
Basic Chemistry
Please do show the complete solution and answer, that's all and thank you.
7.50 g of sodium chloride are added to 3200 mL of water. Find the mole fraction of the sodium chloride and of the water in...
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05/10/22
What are two skeletal isomers that can be found on the structural formula of dibutyl ether?
EXPLAIN THE DIAGRAM BELOW
EXPLAIN THE DIAGRAM BELOWDiagram- https://imgur.com/JKqEiAQ
What are the oxidizing and reducing agent from these chemical reactions? And how many electrons did it gain (oxidizing) and lose (reducing)?
a.) CuO + H2 = Cu + H2Ob.) Zn + Pb(NO3)2 = Pb + Zn(NO3)2
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