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GK

George K.

Organic Chemistry

an hour ago

. Calculate the number of moles in each of the following masses: a. 64.1 g of aluminum

SM

Sarai M.

Organic Chemistry

an hour ago

Which organic components did you identify as being present in your sequiterpene component of the turmeric

RB

Roxanne B.

Organic Chemistry

4聽hours ago

You have been asked to determine the fate of a contaminant spilled into the following system: Contaminant spilled into lake with a volume of 7 x 10^6 m3 Sediment volume: 2.1 x 10^4 m3 Sediment foc: 0.05 Sediment density (ps ): 2.5 kg/L Air volume: 6.0 x 10^9 m3 Compound information: Carbon Tetrachloride Kaw: 1.082 Log Koc: 2.18 Density (p): 1.59 g/cm3 a. Find the fraction of carbon tetrachloride in air, water, and sediment at equilibrium. Assume no reaction and that the system is closed. Make sure you carry your units throughout the calculation to ensure they work out the way they should. b. If the maximum allowable concentration of carbon tetrachloride in water is 5 ug/L and 32,000 L of carbon tetrachloride spills into the lake, will the lake water exceed the allowable concentration at equilibrium?

YA

Yao A.

Organic Chemistry

6聽hours ago

why will different milks and different incubation temperatures affect how long it takes to get to the finished acidity level?

YA

Yao A.

Organic Chemistry

7聽hours ago

why will different milks and different incubation temperatures affect how long it takes to get to the finished acidity level?

PP

P P.

Organic Chemistry

7聽hours ago

Draw the organic products formed in each reaction.

PP

P P.

Organic Chemistry

7聽hours ago

Draw the products formed in each reaction and include the stereochemistry around any stereogenic centers.

PP

P P.

Organic Chemistry

8聽hours ago

Which alkyl halides can be prepared in good yield by radical halogenation of an alkane ?

PP

P P.

Organic Chemistry

8聽hours ago

Five isomeric alkanes (A-E) having the molecular formula C6H14 are each treated with Cl2+hv to give alkyl halides having molecular formula C6H13Cl. A yields five constitutional isomers. B yields four constitutional isomers. C yields two constitutional isomers. D yields three constitutional isomers, two of which possess stereogenic centers. E yields three constitutional isomers, only one of which possesses a stereogenic center. Identify the structures A-E.

PP

P P.

Organic Chemistry

8聽hours ago

What is the major monobromination product formed by heating each alkane with Br2 ?

PP

P P.

Organic Chemistry

8聽hours ago

Draw all constitutional isomers formed by monochlorination of each alkane with cl2 and hv.

PP

P P.

Organic Chemistry

8聽hours ago

Rank the indicated hydrogen atoms in order of increasing ease of abstraction in a radical halogenation reaction.

PP

P P.

Organic Chemistry

9聽hours ago

How is each compound (B-D) related to A ? Are they enantiomers, diastereomers, constitutional isomers, or not isomers of each other ?

PP

P P.

Organic Chemistry

10聽hours ago

Label each stereogenic center as R or S.

PP

P P.

Organic Chemistry

10聽hours ago

Draw all possible stereoisomers for each compound. Label all enantiomers and diastereomers. Label any meso compound.

PP

P P.

Organic Chemistry

10聽hours ago

How are the compounds in each pair related to each other ? Are they identical, enantiomers, diastereomers, constitutional isomers, or not isomers of each other ?

PP

P P.

Organic Chemistry

10聽hours ago

What is the maximum number of stereoisomers possible for each compound ?

xh

Xiaoyi H.

Organic Chemistry

11聽hours ago

Which

ML

Marne L.

Organic Chemistry

12聽hours ago

Consider the information in your answer to Question 7. What minimum mass in grams of potassium dichromate is required to produce 1.500 grams of the ketone? [Molar masses: Alcohol = 100.159 g路mol?鹿; Ketone = 98.143 g路mol?鹿; K?Cr?O? = 278.185 g路mol?鹿. [Give only the number without the unit. Round to three decimal places. Use a decimal point.] *

ML

Marne L.

Organic Chemistry

12聽hours ago

The procedure for the synthesis of menthone indicates that you should use 10 cm鲁 of 6M sulphuric acid. Suppose that only sulphuric acid with concentration 1.5M is available in the laboratory. What volume in cubic centimetres of this solution do you need to add to the reaction mixture to replace the solution originally specified?

ML

Marne L.

Organic Chemistry

13聽hours ago

Consider the information in your answer to Question 7. What minimum mass in grams of potassium dichromate is required to produce 1.500 grams of the ketone? [Molar masses: Alcohol = 100.159 g路mol?鹿; Ketone = 98.143 g路mol?鹿; K?Cr?O? = 278.185 g路mol?鹿. [Give only the number without the unit. Round to three decimal places. Use a decimal point.] *

ML

Marne L.

Organic Chemistry

13聽hours ago

Synthesising menthone is an exothermic process that includes a reflux procedure. Mark the correct statements. * a) The reflux process enables us to transfers energy to the reaction mixture for an extended period of time without loss of solvent or reagents. b) The reflux process increases the rate of the oxidation of menthol. c) The reflux process increases the yield of the oxidation of menthol. d) A water bath can be used in the preparation of menthone because the boiling point of the reaction mixture is below 100掳C due to the inclusion of acetone in this mixture.

RM

Robert M.

Organic Chemistry

1聽day, 2聽hours ago

Isopropylphenyl bromide (2-Bromo-2-phenylpropane) was subjected to aqueous ammonia solution. Two products resulted, isopropylphenyl ammine and isopropenylbenzene (2-Phenylpropene ). Isopropylphenyl bromide is a benzylic substrate, and on top of that it is tertiary, 3潞. Whether benzylic or tertiary, it is enough of a condition for SN1/E1 reaction to take place, unless strong a base is the reagent in which case it would definitely be E2. What is the rate law of the following reaction ?

NV

Nimesha V.

Organic Chemistry

None

MM

Meikie M.

Organic Chemistry

1聽day, 22聽hours ago

An exhaust air stream from a landfill contains 4000 ppm methane (CH4), 1000 ppm ethane (C2H6), and 5% oxygen (O2). Note that 鈥渘ormal鈥 air is 21% O2. a)How many moles of oxygen are required for combustion? b)Does additional air need to be added to the exhaust gas to reach the required amount of oxygen? Please support your answer. [Note that the molecular weight of air is 28.97 g/mol.]

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