2,220 Answered Questions for the topic organic chemistry

Organic Chemistry Chemistry Biochemistry

09/16/20

What is the minimum mass of magnetite Fe3O4, a iron ore, from which 7.5kg of pure iron could be extracted?
What is the minimum mass of magnetite Fe3O4, a iron ore, from which 7.5kg of pure iron could be extracted?Be sure your answer has a unit symbol, if necessary, and is rounded to the correct number... more
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Organic Chemistry Chemistry Biochemistry

09/16/20

Iron(II) sulfate forms several hydrates with the general formula FeSO4 ·x H2O, where x is an integer. If the hydrate is heated, the water can be driven off, leaving pure FeSO4 behind.
Iron(II) sulfate forms several hydrates with the general formula FeSO4 ·x H2O, where x is an integer. If the hydrate is heated, the water can be driven off, leaving pure FeSO4 behind.Suppose a... more
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Organic Chemistry Chemistry Biochemistry

09/16/20

What is the maximum mass of pure gold that could be extracted from 150.g of calaverite, a gold ore with the chemical formula AuTe2
What is the maximum mass of pure gold that could be extracted from 150.g of calaverite, a gold ore with the chemical formula AuTe2Be sure your answer has a unit symbol, if necessary, and is rounded... more
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Organic Chemistry Chemistry Chemistry Biochemistry

09/16/20

Calculate the mass of hydrazine (N2H4) that contains a trillion (1.000 * 10^12) hydrogen atoms:
Calculate the mass of hydrazine (N2H4) that contains a trillion (1.000 * 10^12) hydrogen atoms.Be sure your answer has a unit symbol if necessary, and round it to 4 significant digits.
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Organic Chemistry Chemistry General Chemistry

09/14/20

Write which prefix is represented by each of the following sets of symbols
Write which prefix is represented by each of the following sets of symbols:-M-m-p-h-d-da-k-n
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Organic Chemistry

09/11/20

Need help fast!!
Using the brønsted theory classify the compound as either an acid or a base HCOOH HCOO- HNO3 -CH2COOCH3
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Organic Chemistry Biology Biochemistry

09/09/20

Is there an enzyme that functions without being associated with a complex?
I'm looking for an enzyme that does not function as part of a complex in its active state. Preferably it also is not part of a kinase or other kind of activating cascade as well though I would... more
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Organic Chemistry Chemistry

09/08/20

College Chemistry Help

So im trying to understand Line drawing structure better since im really confused on how to go about it on some formulas.How would i do a line drawing structure or condensed structural formula for... more
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Organic Chemistry Chemistry

09/03/20

how do i do these chemistry questions?
Draw a molecular model of ethane, the alkene with molecular formula C2H4. Then, orient the model so that the double bond lies in the plane of the paper and the hydrogen atoms are pointed toward... more
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Organic Chemistry Chemistry

09/02/20

Chemistry Home work help please

6. Name the following structures:a) CH3 CH2CH2CH3b) H2C=CHCH2CH3c) CH triple bond CHd) CH triple bond CCH2CH2CH2CH3
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Organic Chemistry College Organic

09/02/20

Organic Chemistry College help
Im so lost on how to go about or even start these.Draw structures for the following organic compounds: a) 1,1,2-trichlorobutane b) 3-ethyl-2,4,5-trimethyloctane c) 1,3-butadiene d) 1,2-pentadiene... more
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Organic Chemistry Chemistry

08/29/20

i need help with giving charges and understand

.Give the charge( SO3) 2-= AsO43-=.Au3PO4=_Cr2O3
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Organic Chemistry Biology Chemistry Biochemistry

08/29/20

Label the reversible chemical reaction diagram 
A ⮂ B+Ca. Reactant (substrate) for hydrolysisb. Products of hydrolysisc. Reactants for synthesisd. Product of synthesis
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Organic Chemistry Biology Chemistry Anatomy

08/29/20

Label the reversible chemical reaction diagram

A ⮂ B+C a. Reactant (substrate) for hydrolysisb. Products of hydrolysisc. Reactants for synthesisd. Product of synthesise. reaction arrow for hydrologic reaction f. Reaction arrow for synthetic... more
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Organic Chemistry Chemistry Biochemistry Chem

08/26/20

What is the condensed formula of 3-ethylheptane ?
Please write the condensed formula of 3-ethylheptane in one line.
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Organic Chemistry

08/24/20

The more I think about it the wronggrrrr I get!!! what am I missing here?
Two solutions are made. in the first beaker 0.5g of HCl is dissolved into 3.5L of water, in the second beaker 1.5g of KOH is dissolved in 6L of water - the two solutions are then poured... more
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Organic Chemistry Chemistry

08/24/20

What weight of the compound would be removed from a solution of X in 100 mL of water by single extraction with 100 mL of ether?
The distribution coefficient, K, is 10 for compound X. What weight of the compound would be removed from a solution of X in 100 mL of water by single extraction with 100 mL of ether? And in... more
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Organic Chemistry Chemistry

08/24/20

Why does salting out increase the partition coefficient in favour of the organic compound?
An organic compound can be extracted from a water layer by an organic solvent more efficiently if the water layer is saturated with an inorganic salt such as sodium chloride. This ‘salting out’,... more
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Organic Chemistry Chemistry

08/22/20

Reaction between 1,3-dimethylbenzene and HNO3, H2SO4
So this reaction will add a NO2 group to the benzene ring but is there a way to tell on which carbon in the ring will the NO2 group add onto because the mark scheme says to allow any... more
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Organic Chemistry College Diasteromers

08/22/20

College Organic Chem

Please help me im having problems finding and Drawing 2 diasteromers of a single structure. can someone please show me in expanded form. thank you
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Organic Chemistry Biology Biochemistry

08/18/20

What is the use of discolouring carbon/activated charcoal in the extraction of lactose from milk?

I get that activated charcoal is used to decolourise the solution but I want to know why we need to decolorize the solution.
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Organic Chemistry Reaction Of Butane

08/13/20

Theoretically, butanoyl chloride can be synthesized from butane as starting material.
Outline how this reaction can be completed requiring at least FIVE steps reactions. Draw all relevant compounds (as starting material and product) and state the suitable reagent
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Organic Chemistry Chemistry Biochemistry

07/30/20

HELP FAST - question on reductive amination
What molecule results from treating 4-oxopentanal with NH4Cl and NaCNBH3? Why? Is this a good, high yield reaction?
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Organic Chemistry

07/30/20

organic chemistry
please help!!!drawing a reaction equation (use the structural formulae for the compounds and products) 1. benzoic acid + diethyl ester reaction2. 2-naphthol + diethyl ester reaction3. Sodium... more
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Organic Chemistry Chemistry

07/29/20

HELP FAST: When KCN then acid is added to buten-3-one, why does the alkene react faster than the carbonyl?
When buten-3-one is treated with 1.KCN and 2. H3O+, the product is CN-CH2CH2COCH3 (a chain with a ketone and nitrile).Why does this occur? Isn't is more favorable for the KCN to react with the... more
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