2,220 Answered Questions for the topic organic chemistry

Organic Chemistry Chemistry

10/08/20

Is Methylsulfonylmethane Stable in Mineral Water?
I suffer from electrolyte imbalances quite often, so I have started making my own carbonated mineral water with potassium chloride, sodium bicarbonate, and magnesium bicarbonate. Am I introducing... more
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Organic Chemistry Chemistry Biochemistry

10/08/20

Calculate the mass of the polystyrene sample.
A sample of polystyrene, which has a specific heat capacity of 1.880 J*g^-1 * C^-1, is put into a calorimeter that contains 300.0 g of water. The polystyrene sample starts off at 88.6 C and the... more
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Organic Chemistry Science Biology Chemistry

10/08/20

Can someone help me please?
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
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Organic Chemistry Science Biology Chemistry

10/08/20

Can someone help me please?
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
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Organic Chemistry Chemistry

10/07/20

Analyze Redox Reactions
Br2 + Mn2Br- + Mn2+Species oxidized:Species reduced:Oxidizing agent:Reducing agent: As the reaction proceeds, electrons are transferred from___to___.
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Organic Chemistry Chemistry

10/07/20

Analyze Redox Reactions
2ClO3- + 5Fe+ 12H+5Fe2+ + Cl2+ 6H2OName of the element oxidized:Name of the element reduced:Formula of the oxidizing agent:Formula of the reducing agent:
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Organic Chemistry Chemistry

10/07/20

Net Ionic Equations
Write a net ionic equation for the reaction that occurs when excess hydroiodic acid and potassium sulfide are combined.
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Organic Chemistry Chemistry Biochemistry

10/07/20

Calculate the initial temperature of the iron sample.

A 57.2 sample of iron, which has a specific heat capacity of 0.449 J * g^-1 *C^-1 , is put into a calorimeter that contains 150.0 g of water. The temperature of the water starts off at 20.0 C. When... more
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Organic Chemistry Chemistry Biochemistry

10/07/20

Calculate the new temperature of the water bath.

A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 9.90kgof water at 38.0°C. During the reaction 140.kJ of heat flows out of the flask and into the... more
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Organic Chemistry

10/07/20

2,6-octadione is produced by ozonolysis of an alkene. What is the structure of that alkene? Show your reasoning, including a chemical reaction with the correct reagents and reaction conditions.
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Organic Chemistry Chemistry

10/07/20

Titration problem
If 27.21 ml of NaOH are required to titrate 50 ml of a solution that contains 1.2067g of KHP what is the molarity of the NaOH? You'll need to look up the molecular weight of KHP. Do not include... more
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Organic Chemistry

10/07/20

How many grams of salicylic acid can be produced from 4.0 millimoles of methyl salicylate?
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Organic Chemistry Chemistry Biochemistry

10/06/20

What is the heat of combustion for cyclohexane in kJ/ mol of cyclohexane
A 4.25 g sample of cyclohexane (C6H12, MM= 84g/mol) is combusted in a bomb calorimeter with a total heat capacity of 5.86 kJ/ ºC. The temperature of the calorimeter increases from 23.5 ºC to 39.8... more
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Organic Chemistry Chemistry Biochemistry

10/06/20

By how much will the temperature of the calorimeter increase if the combustion of a certain sample of cyclohexane releases 9892 J of heat?
The heat capacity of a bomb calorimeter is .By how much will the temperature of the calorimeter increase if the combustion of a certain sample of cyclohexane releases 9892 J of heat?
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Organic Chemistry Chemistry Biochemistry

10/06/20

What will be the final temperature of the Aluminum bar and of the water once thermal equilibrium is achieved ?

A 10.0 g bar of aluminum initially at  is placed in 100.mL of water initially at  . What will be the final temperature of the Aluminum bar and of the water once thermal equilibrium is achieved ?... more
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Organic Chemistry Chemistry Biochemistry

10/06/20

Calculate the heat gained by the water if the final equilibrium temperature is 57.8 °C.

A 1.5 g iron nail is heated to 95.0 °C and placed into a beaker of water. Calculate the heat gained by the water if the final equilibrium temperature is 57.8 °C. The specific heat of iron = 0.449... more
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Organic Chemistry Chemistry Biochemistry

10/06/20

Calculate the energy required to heat 0.60kg of ethanol from 2.2°C to 13.7°C.
Calculate the energy required to heat 0.60kg of ethanol from 2.2°C to 13.7°C.Assume the specific heat capacity of ethanol under these conditions is ·2.44J·g−1K−1.Be sure your answer has the correct... more
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Organic Chemistry Chemistry College

10/06/20

College Organic Chemistry homework help

Draw structural formula for the following:Condensed or expanded NOT Line Angle.    Ethoxy propane     3 – chloro – 4 – ethyl hexanoic acid    N, N- diethyl butanamide... more
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Organic Chemistry Chemistry Biochemistry

10/06/20

What is the final temperature of 10.0g of water initially at C after absorption of 100.J of heat?

What is the final temperature of 10.0g of water initially at C after absorption of 100.J of heat? The specific heat of water is 4.184 J/g C.
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Organic Chemistry Chemistry Biochemistry

10/06/20

Calculate the energy required to heat 701.0mg of silver from −0.8°C to 8.9°C.

Calculate the energy required to heat 701.0mg of silver from −0.8°C to 8.9°C. Assume the specific heat capacity of silver under these conditions is ·0.235J·g−1K−1.Be sure your answer has the... more
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Organic Chemistry Chemistry Biochemistry

10/06/20

What can the chemist report for the specific heat capacity of the substance?
Hello, I'm so confused on this question, can I please have a detailed explanation?A chemist carefully measures the amount of heat needed to raise the temperature of a 261.0mg sample of a pure... more
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Organic Chemistry Chemistry Biochemistry

10/06/20

What can the chemist report for the specific heat capacity of the substance?

A chemist carefully measures the amount of heat needed to raise the temperature of a 261.0mg sample of a pure substance from 2.8°C to 19.5°C. The experiment shows that 0.606J of heat are needed.... more
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Organic Chemistry Chemistry Biochemistry

10/06/20

What can the chemist report for the specific heat capacity of the substance?
A chemist carefully measures the amount of heat needed to raise the temperature of a 754.0g sample of a pure substance from 2.1°C to 20.2°C. The experiment shows that 9.69kJ of heat are... more
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Organic Chemistry Chemistry Biochemistry

10/06/20

What can the chemist report for the specific heat capacity of the substance?
A chemist carefully measures the amount of heat needed to raise the temperature of a 442.0mgsample of a pure substance from 52.4°C to 66.4°C. The experiment shows that 25.9J of heat are needed.What... more
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Organic Chemistry Chemistry

10/06/20

A student added 1.2 g of magnesium turnings to 100 ml of 1M HCl in a styrofoam cup calorimeter. The initial temperature of HCl was 24C and the final temperature of the solution was 50C What is the q?
Calculate the enthalpy of reaction
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