1,698 Answered Questions for the topic biochemistry

Biochemistry Math Chemistry

07/03/22

How do you calculate this?
You have prepared a solution by dissolving 14.521g of dodecane (C12H26) in 34.50mL of cyclohexane (C6H12) at 25°C. What is the expected vapor pressure (in units of mmHg) of this solution? At 25°C,... more
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Biochemistry Math Chemistry

07/02/22

Can you check if my steps are correct to this problem??
You have prepared a solution by dissolving 73.15mg of sucrose (table sugar, C12H22O11) in 1.55kg of water. What is this solution's sucrose concentration in parts per million, ppm? ppm=... more
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Biochemistry Organic Chemistry

07/02/22

Phosphorylation at the beginning of glycolysis
What are the main purposes of glucose being phosphorylated once it enters the cell through glucose transporters? What would happen if glucose is not phosphorylated once it enters the cell?
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Biochemistry Chemistry

07/01/22

help solving this
A reaction is found to be 0th order with respect to thiosulfate ion. If the concentration of thiosulfate ion is 0.105M after 22.7 seconds have passed, and the rate law constant is 0.0187 M/sec,... more
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Biochemistry Chemistry

07/01/22

I need help solving this problem
A reaction is found to be 0th order with respect to chlorate ion. If the initial concentration of chlorate ion is 0.883M and the rate law constant is 0.0193 M/sec, what will the concentration of... more
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Biochemistry Chemistry

07/01/22

Need help solving this!
You have prepared a solution by dissolving 16.425g of dextrose (C6H12O6) in 21.50mL of water at 25°C. What is the expected vapor pressure (in units of atm) of this solution? The vapor pressure of... more
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Biochemistry Math Chemistry

07/01/22

I need help solving this problem!!
You are going for a walk in the park. For the first 73.75 minutes, you are feeling rather energetic and walk at a rate of 3.93 miles per hour. Suddenly, a ferocious looking butterfly starts chasing... more
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Biochemistry Math Chemistry

06/29/22

Help me solve this problem??
What is the expected boiling point of a solution made by dissolving 14.33g of glycerol (C3H8O3) in 51.00mL of water?The boiling point elevation constant for water is 0.512°C/molal. Report your... more
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Biochemistry Math Chemistry

06/29/22

Help me solve this

You have prepared a solution by dissolving 73.15mg of sucrose (table sugar, C12H22O11) in 1.55kg of water. What is this solution's sucrose concentration in parts per million, ppm? (show steps)
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Biochemistry Math Chemistry

06/29/22

Help me solve this!!
You have prepared a solution by dissolving 2.709g of nickel(II) chloride tetrahydrate in 60.0mL of water. What is this solution's chloride ion concentration in molality, m? (show steps)
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Biochemistry Chemistry

06/29/22

Help me solve this problem??
You have prepared a solution by dissolving 232.29mg of copper(II) nitrate pentahydrate in 1.45kg of water. What is this solution's Cu+2 concentration in parts per million, ppm? (show steps)
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Biochemistry Chemistry

06/29/22

Help me solve this
You have prepared a solution by dissolving 232.29mg of copper(II) nitrate pentahydrate in 1.45kg of water. What is this solution's Cu+2 concentration in parts per million, ppm? (show steps)
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Biochemistry Math Chemistry

06/28/22

Help me solve this problem
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... more
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Biochemistry Math Chemistry

06/28/22

Help me solve this!
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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Biochemistry Math Chemistry

06/28/22

Help me solve this problem
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... more
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Biochemistry Chemistry

06/28/22

Help me solve this
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... more
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Biochemistry Biology

06/21/22

Explain the difference between oxidative phosphorylation and substrate-level phosphorylation.
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Biochemistry

06/21/22

Explain why ATP hydrolysis releases so much energy and why this is useful for the cell.
The primary reason why ATP hydrolysis releases so much energy is that the three phosphate groups on ATP have a strong negative charge. This will cause the phosphate groups to repel each other and... more
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Biochemistry

06/21/22

Provide at least 3 properties that make water essential for life.

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Biochemistry

06/21/22

What are the four levels of protein structure and what is one attribute of each level?
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06/20/22

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... more
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06/19/22

Answer the question given in the description.
Design the experiment to describe the action of milk sugar digested into sour taste yoghurt.the experiment should have; Materials Procedures Conclusion Picture link which is similar to the... more
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06/09/22

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.... more
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06/04/22

Can someone emurate some of the pharmaceutically important compounds in thiols?
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06/03/22

Compare the concentration [H+] of a solution with a pH of 2 to a solution with a pH of 4
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