1,698 Answered Questions for the topic biochemistry

Biochemistry Science Biology Chemistry

03/02/22

need help with photosynthesis experiments
You have CAM, C3 and C4 plants. You should now investigate photosynthesis using these different plants. The light mentioned is photosynthetically active radition(PAR light), nutrients are nitrogen,... more
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03/02/22

A 7.00 L tank at 7.66 degrees C is filled with 4.90 g of dinitrogen monoxide gas and 4.66 g of chlorine pentafluoride gas. You can assume both gases behave as ideal gases under these conditions.
Calculate the mole fraction and partial pressure of each gas, and the total pressure in the tank. Round each of your answers to 3 significant digits.= _____
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03/01/22

CONCENTRATION OF SOLUTIONS CHEMISTRY (MOLARITY)
What is the molarity of a solution that contains 25 g of KOH in 250 mL of solution?  What is the mole fraction of sulfuric acid (H2SO4) in 8% aqueous H2SO4 solution?
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02/28/22

What types of intermolecular forces would occur in each of the following
(CH3)2NHSO2BrFCH3CF3HBrKCl
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02/22/22

Chemistry Help ASAP
2 HNO3 + Mg(OH)2 ----> Mg(NO3)2 + 2 H2ONO3 has a charge of -1.The equation is balanced. A 40-ml solution of Mg(OH)2 is neutralized by 12 ml of 0.9 M HNO3. How many moles of HNO3 were used to... more
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Biochemistry Chemistry Thermodynamics

02/21/22

Fill in the blank: It is ridiculous to report the speed of a molecule u, to be μ=6051.78±30 ms−1. The correct way to record this measured speed is μ=??±30
μ=_??_ ± 30Thank you so much in advance!
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Biochemistry Nutrition

02/18/22

Magnesium glycinate and digestion
Does magnesium glycinate split up into magnesium and glycine after digestion or does the magnesium-amino-acid-bond remain intact?
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02/18/22

What is the weight of a specimen (MW=56.1) in grams if the molarity of a 500 mL solution is 1.5 M?
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02/18/22

The solution is made up of a A, B, and C in 4:3:1 proportions. How much of each is present if the whole solution has a volume of 350 mL?
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02/18/22

What is the percent weight in weight strength if 50 grams of NaCl is dissolved in 300 mL of solvent with specific gravity of 1.2?
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02/16/22

Which of the following molecules has the lowest viscosity?
Which of the following molecules has the lowest viscosity?a. methanolb. glycerolc. methaned. water 2. The boiling point of methane (CH4) is much lower than that of hydrogen fluoride (HF)... more
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Biochemistry

02/14/22

If the amino group of a protein has a pKa of 8 when exposed to H2O, would you expect the pKa to be higher/lower than 8 if the group were buried in the hydrophobic protein interior?
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02/13/22

A chemist prepares a solution of silver(II) oxide (AgO) by measuring out 0.00339 μmol of silver(II) oxide into a 450. mL volumetric flask and filling the flask to the mark with water.
Calculate the concentration in mmol/L of the chemist's silver(II) oxide solution. Round your answer to 3 significant digits.= ____ mmol / L
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02/13/22

How do you do anti dihyrdroxyl addition to an aromatic hydrocarbon?
I am familiar with how to turn an alkene into an anti/trans diol but via epoxidation followed by water and a base (or acid). However I am writing a paper on the carcinogenic effects of polycyclic... more
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Biochemistry Science Science Chemistry

02/12/22

How do you balance these redox reactions by the half-reaction method?
How do you balance these redox reactions by the half-reaction method?Na + Hg2Cl2 → NaCl + Hg
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02/12/22

How do you balance these redox reactions by the half-reaction method?
How do you balance these redox reactions by the half-reaction method? 1. Al2O3 + C → Al + CO2 2. Na + Hg2Cl2 → NaCl + Hg
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02/12/22

How do I write balance equations for this redox reaction NaBr + Cl2 ===> NaCl + Br2 by the half reaction method?
How do I write balance equations for this redox reaction NaBr + Cl2 ===> NaCl + Br2 by the half reaction method?
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02/12/22

How do I write balance equations for this redox reactions Fe2O3 + CO ===> Fe + CO2 in acidic solution?
How do I write balance equations for this redox reactions Fe2O3 + CO ===> Fe + CO2 in acidic solution?
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02/11/22

CHEMISTRYYY Helllppp!!!
Balance these redox reactions by the half-reaction methodSn2+ → Sn + Sn4+
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02/10/22

A chemist prepares a solution of copper(II) sulfate by measuring out 45.0 μmol of copper(II) sulfate into a .450 ml volumetric flask and filling the flask to the mark with water.
Calculate the concentration in μmol / L of the chemist's copper(II) sulfate solution. Round your answer to 3 significant digits.= ____ μmol / L
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02/09/22

Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium bromide (NaBr) and liquid water (H2O).
If 2.56g of sodium bromide is produced from the reaction of 6.5g of hydrobromic acid and 5.7g of sodium hydroxide, calculate the percent yield of sodium bromide. Round your answer to 2 significant... more
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02/09/22

Liquid octane (CH3(CH2)6 (CH3) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O).
If 8.68g of water is produced from the reaction of 29.7g of octane and 43.7g of oxygen gas, calculate the percent yield of water. Round your answer to 3 significant figures.= ____ %
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Biochemistry

02/08/22

biochemistry qustion
1.The process of protein folding and aggregation of hydrophobic molecules in aqueous environment is described bioenergitically as _______ ? A. having positive ΔGo’B. having... more
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02/07/22

Liquid octane (CH3(CH2)6 (CH3) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O).

If 8.68g of water is produced from the reaction of 29.7g of octane and 43.7g of oxygen gas, calculate the percent yield of water. Round your answer to 3 significant figures.= ____ %
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02/07/22

Gaseous butane (CH3(CH2)2 CH3) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O).
If 18.5g of water is produced from the reaction of 34.3g of butane and 87.1g of oxygen gas, calculate the percent yield of water. Round your answer to 3 significant figures.= _____ %
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