1,698 Answered Questions for the topic biochemistry

Biochemistry

12/08/20

Which histidine species would be present at pH 7.2?
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12/08/20

please help i need help please
A farmer has been using calcium for decades to help maintain chemical balance in the soil used to grow his crops. Unfortunately, the farmer's calcium supplier has been steadily increasing the price... more
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Biochemistry Biology Microbiology

12/07/20

The specific growth rate (u) is a bettter measure of the cell's growth rate than dX/dt •Why ?
It is about batch fermentation process and bacterial growth curves. u=dx/dt
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12/03/20

standard Enthalpy of formation

how do i find the standard enthalpy of formation of glucoamylase? How do i estimate it
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Biochemistry

11/29/20

What is the difference between protein renaturation and protein refolding?

Are protein renaturation and protein refolding the same thing? If they are not what is the difference between them?
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11/28/20

Enthalpy of Formation
Substance H2O(l) H2O(g) CO2 (aq) CO2 (g) CO(g) CH4 (g) C2H6(g) Hfo (kJ/mole) -285.83 -241.82 -413.82 -393.51 -110.53 -74.81 -84.68 Use the enthalpy of formation data in the... more
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11/28/20

Enthalpy (Chemistry)
Calculate the enthalpy of the following chemical reaction:CS2(ℓ) + 3O2(g) ---> CO2(g) + 2SO2(g)Given: C(s) + O2(g) ---> CO2(g) ΔH = −393.5 kJ/mol S(s) + O2(g) ---> SO2(g) ΔH =... more
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11/28/20

Enthalpy (Chemistry)
Find the ΔH for the reaction below, given the following reactions and subsequent ΔH values:N2H4(l) + H2(g) → 2NH3(g)N2H4(l) + CH4O(l) → CH2O(g) + N2(g) + 3H2 (g)        ΔH = -37... more
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11/28/20

Enthalpy (Chemistry)
Find the ΔH for the reaction below, given the following reactions and subsequent ΔH values:FeO (s) + CO (g) --> Fe (s) + CO2 (g)      = ? Fe2O3 (s) + 3 CO (g) --> 2 Fe (s) + 3 CO2 (g)     ... more
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11/28/20

Enthalpy (Chemistry)
Consider the reaction: 2 SO2 (g) + 2 H2O (g) --> 2 H2S (g) + 3 O2 (g)Calculate the  rxn using the standard enthalpy of formation data provided.SO2 (g) -296.8 kj/molH2O (g) -241.8 kj/molH2S (g)... more
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11/24/20

Ions: Electron configuration
Write the complete electron configuration for the nickel(II) ion.Using NOBLE GAS notation write the electron configuration for the chromium(III) ion.
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11/24/20

Ions: Electron Configuration
Write the complete electron configuration for the common monatomic ion formed by the element bromine, Br.This ion is a(n) _______cationanion with a charge of____?
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11/24/20

Ions: Electron Configuration
Write the complete electron configuration for the chromium(III) ion.Using NOBLE GAS notation write the electron configuration for the iron(II) ion.
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11/23/20

Ions: Isoelectronic series
Considering only ions with charges of +1, +2, -1 and -2, or neutral atoms, give the symbols for 4 species that are isoelectronic with the barium ion, Ba2+.
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11/23/20

Ions: Isoelectronic Series
Considering only ions with charges of +1, +2, -1 and -2, or neutral atoms, give the symbols for 4 species that are isoelectronic with Xe.
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11/23/20

Ions: isoelectronic Noble Gas
A monatomic ion with a charge of +1 has an electronic configuration of 1s22s22p63s23p64s23d104p65s24d105p6.This ion is a(n) _______cationanion.What is the chemical symbol of the noble gas this ion... more
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11/23/20

Ions: isoelectronic Noble Gas
A monatomic ion with a charge of -2 has an electronic configuration of 1s22s22p6.This ion is a(n) _______cationanion.What is the chemical symbol of the noble gas this ion is isoelectronic... more
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11/23/20

Ions: Electron Configuration
Write the complete electron configuration for the common monatomic ion formed by the element rubidium, Rb.This ion is a(n) _______cationanion with a charge of?
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11/23/20

Ion: Electron Configuration
Write the complete electron configuration for the iron(III) ion.Using NOBLE GAS notation write the electron configuration for the manganese(II) ion.
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11/23/20

which type of hexose that uses CH2OH instead of CH3
which type of hexose that uses CH2OH instead of CH3
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Biochemistry

11/22/20

How many bonds can sodium, magnesium, calcium, and chlorine each form? What type of bond is each element?
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11/21/20

What ion/atoms are isoelectronic?
SeleniumMagnesiumBromineNitrogenKryptonZincBarium IronBromideBarium cationIron (III)Selenide
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11/19/20

i need help on this

help explain how it is possible for you to see the red ball?1# How does Figure 1 help explain how it is possible for you to see the red ball?
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11/19/20

i need help on this

SEP Construct an Explanation Describe the chemistry of the fire triangle. How does the fire triangle relate to how fiercely a wildfire burns?  SEP Construct an Explanation How do firefighters use... more
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11/19/20

i need help on this chemistry

Describe (in words) how conduction, convection and radiation all take place to heat the room.
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