2,220 Answered Questions for the topic organic chemistry

Organic Chemistry Chemistry

04/19/22

Calculate the amount of heat needed to melt 118. g of solid hexane and bring it to a temperature of 63.2 C. Be sure your answer has a unit symbol and the correct number of significant digits.
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Organic Chemistry Chemistry

04/17/22

Calculate the amount of heat needed to boil 126. g of methanol, beginning from a temperature of 24.2 C. Be sure your answer has a unit symbol and the correct number of significant digits.
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Organic Chemistry Chemistry

04/16/22

Calculate the amount of heat needed to melt 146 g of solid ethanol and bring it to a temperature of -83.8 C. Be sure your answer has a unit symbol and the correct number of significant digits.
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Organic Chemistry Chemistry Biochemistry

04/16/22

Calculate the amount of heat needed to boil 47.3 g of octane, beginning from a temperature of 1.2 C . Be sure your answer has a unit symbol and the correct number of significant digits.
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Organic Chemistry

04/16/22

Select which of these pairs of compounds is the more reactive between propane and cyclopropane
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Organic Chemistry Chemistry Biochemistry Ap Chemistry

04/12/22

Chem Titration need help urgent
One of the titration curves in the diagram represents the titration of an aqueous sample of Na2CO3 with strong acid; the other represents the titration of an aqueous sample of NaHCO3 with the same... more
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04/12/22

AP Chem Need Help Urgent (Titration)

1. Answer all parts of the following question:a) The graph below shows the titration curves of a 1 M solution of a weak acid with strong base and 1 M solution of a strong acid with the same base.... more
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Organic Chemistry Pharmacology

04/09/22

Organic chemistry analysis of THC
Identify the chiral centers located within tetrahydrocannabinol, designate which centers are R/S, and explain why each center is R/S.Bonus: Theoretically, if you could change ANY of the chiral... more
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Organic Chemistry

04/09/22

Identify the functional Groups in Methamphetamine.
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04/08/22

Identifying the relationship between 2 structures !
how to identify the name of the second structure (on the right) and possibly what their relationship is (Constitutional Isomers, Enantiomers, Diastereomers, etc.)
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Organic Chemistry

04/08/22

Cahn-Ingold Prelog Rules
Hi! In prioritizing the atoms in a chirality center, would C be prioritized first or CH3?
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Organic Chemistry Science Chemistry

04/08/22

Balanced equation

How would you write a balance equation between sodium hydroxide and oxalic acid ?
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04/07/22

Phase Changes : How much heat must be lost to freeze 75.3 g of water at 11°C?

How much heat must be lost to freeze 75.3 g of water at 11°C? 
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Organic Chemistry Chemistry Diels Alder Reaction

04/05/22

Diels alder reaction lab question
I recently did a lab in my organic chemistry class where we reacted cyclopentadiene and maleic anhydride to produce cis-norbornene-5,6-endo-dicarboxylic anhydride. My question is, why was the... more
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Organic Chemistry

03/31/22

3 A student trying to prepare aspirin begins with 2.52 g of salicylie acid and excess acetic anhydride. a What is the student's theoretical yield of aspirin? Show your work.
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Organic Chemistry Chemistry Chem

03/31/22

Identify the nucleophilic centers in the following molecules:
1) 2) 3)
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Organic Chemistry Chemistry

03/31/22

Identify the electrophilic centers in the following molecules:
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Organic Chemistry Chemistry Biochemistry Microbiology

03/29/22

How to show the balanced chemical reaction based on this?
Unravel the titer value of 1 N H2SO4 and KHCO31 equivalent H2SO4 = ____ equivalent of KHCO3 = _____ grams of KHCO3. Each mL of 1N H2SO4 is equivalent to _____ mg of KHCO3
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Organic Chemistry Science Chemistry Biochemistry

03/29/22

To what volume must 1800 mL of a 0.2150 N solution must be diluted in order that the resulting solution will be 0.2000 N?
The answer should be rounded in 2 decimal places and for consistency of the atomic weights, round up to 1 decimal place. Example: Chlorine is 35.5 and Oxygen is 16. Sulfur is 32.1. etc.
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Organic Chemistry Science Chemistry Biochemistry

03/29/22

If a 0.3911 gram sample of 95% sodium bicarbonate is titrated with 0.9387 N sulfuric acid, what volume of the acid is needed to produce an endpoint?
The answer should be rounded in 2 decimal places and for consistency of the atomic weights, round up to 1 decimal place. Example: Chlorine is 35.5 and Oxygen is 16. Sulfur is 32.1. etc.
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Organic Chemistry

03/28/22

What is the condensed structure of trans-1,3-dimethylcyclopentane and 4-chloro-5-methyl-2-hexyne
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Organic Chemistry Algebra 2 Calculus Chemistry

03/28/22

On a 5 day wilderness expedition you'll need to heat 4.0 kg of water to the boiling point each day. The air temperature will average 25°C.
You have available canisters of compressed butane C4H10 fuel, which you'll burn to heat the water. Each canister has 100.g of butane in it. What is the minimum number of fuel canisters you must... more
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Organic Chemistry Algebra 2 Calculus Chemistry

03/27/22

On a 7 day wilderness expedition you'll need to heat 3.0kg of water to the boiling point each day. The air temperature will average 25°C.

You have available canisters of compressed propane C3H8 fuel. Each canister has 50. g of propane in it. What is the minimum number of fuel canisters you must bring? The standard heat of formation... more
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Organic Chemistry

03/26/22

Question on conjugated pi bonds
1,2,3-butatri-ene is given, and the number of conjugated pi bonds is asked. The answer given is 2, but I am not sure how?
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Organic Chemistry Chemistry

03/26/22

First ionization energies
For row 5 on the periodic table, as one moves across, it is seen that ionization energy is higher for p than d and d is higher than s. Explain this trend while talking about atomic structure and... more
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