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Organic Chemistry

11/23/21

6. How would you prepare the following compounds, starting with cyclopentene and other reagents needed? a. Chlorocyclopentane b. Cyclopentanol

How would you prepare the following compounds, starting with cyclopentene and other reagents needed? a. Chlorocyclopentaneb. Cyclopentanol

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Organic Chemistry

11/22/21

Hi,I need help to name this compound

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Organic Chemistry Science Biology Chemistry

11/22/21

The chemical reaction involved is the decomposition of Hydrogen iodide gas into Hydrogen gas and Iodine gas. Starting with 0.900 mol of Hl in an evacuated 2.0-L flask and with Kc=0.014,

what is the molar concentration of hydrogen iodide gas at equilibrium?

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Organic Chemistry Science Biology Chemistry

11/22/21

If 0.8 mole of Sulfur dioxide and 0.4 mole of nitrogen dioxide are placed into a 2-liter container and allowed to reach equilibrium,

what will be the molar concentration of sulfur dioxide at equilibrium (Products of the reaction are sulfur trioxide and nitrogen monoxide)? The equilibrium constant, Kc, is 64.00 for the reaction... more

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Organic Chemistry Science Biology Chemistry

11/21/21

In what proportion should 5% and 1% hydrocortisone ointments be mixed to prepare a 2.5% ointment?

Applying: Altering Strength, Stock Solutions, and Alligation Calculations

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Organic Chemistry Science Chemistry Microbiology

11/21/21

If 60 mL of a combination gel of hydrocortisone acetate, 1% w/w, and pramoxine, 1% w/w, is mixed with 12.5 mL of a gel containing hydrocortisone acetate, 2.5% w/w, and pramoxine, 1% w/w,

calculate the percentage strength of each of the two drugs in the mixtureApplying this: Altering Strength, Stock Solutions, and Alligation Calculations

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Organic Chemistry Science Biology Chemistry

11/21/21

If a pharmacist added each of the following to 22-g packages of 2% mupirocin ointment, what would be the percentage strengths of the resulting ointments:

(a) 0.25 g mupirocin powder and (b) 0.25 g o nonmedicated ointment base? (answer to two decimal places)By applying: Altering Strength, Stock Solutions, and Alligation Calculations

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Organic Chemistry Science Biology Chemistry

11/21/21

A pharmacist receives a prescription for 60 g of a 0.75% w/w bexarotene gel. How many grams each of a 1% w/w bexarotene gel and gel base must be used?

Using this: Altering Strength, Stock Solutions, and Alligation Calculations

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Organic Chemistry Science Biology Chemistry

11/21/21

A pharmacist combines the contents of a 30-g tube of a 0.5% ointment and a 90-g tube of a 1.5% ointment of the same active ingredient. What is the concentration of the mixture?

Solve by applying: Altering Strength, Stock Solutions, and Alligation Calculations

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Organic Chemistry Science Biology Chemistry

11/21/21

A farm product contains a 12.5% w/v concentrate of tiamulin hydrogen fumarate, used to treat swine dysentery when diluted as a medicated drinking water.

Altering Strength, Stock Solutions, and Alligation CalculationsHow many gallons of medicated water may be prepared from a liter of concentrate if the final product is to contain 227 mg of tiamulin... more

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Organic Chemistry

11/18/21

What makes one carbocation more stable than another?

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Organic Chemistry Science Biology Chemistry

11/18/21

What are the main functions of underground stems?

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Organic Chemistry Math Chemistry Computer Science

11/15/21

Na+1 Electron Configuration

what is Na+1 Electron Configuration, noble gas notation, orbital notation and E-dot

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Organic Chemistry

11/15/21

Wavelengths for organic chemistry

The equipment used for aviation communications emits high‑frequency radiowave energy with a wavelength of 0.250 km. What is the energy of exactly one photon of this radiowave radiation?E=What is... more

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Organic Chemistry

11/10/21

For the reaction below identify the oxidizing agent and the reducing agent. Use the oxidation method. Show all work!

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Organic Chemistry Math Chemistry Biochemistry

11/10/21

How many liters of 70% alcohol can be prepared from 1 gallon of 100% alcohol?

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Organic Chemistry Science Chemistry Physics

11/09/21

Compute the total enthalpy change by using the Hess Law

Use the Hess law to calculate the total enthalpy2H2O ------> 2H2 + O2 +572 KJ/mol2HF ------> H2 + F2 + 542 KJ/mol

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Organic Chemistry Science Chemistry Physics

11/09/21

----------Chemistry--------

Prove that the enthalpy change of formation is equal to the total change reaction using carbon dioxide.C2H5OH + O2 ------> CO2 + H2OC2H5OH ------- ΔH= -278KJ O2 ------- ΔH= 0 ... more

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Organic Chemistry Chemistry

11/07/21

Pentene is expected to show a positive bromine test

1) Draw the reaction mechanism of pentene and bromine.2) Identify nucleophile and electrophile in the reaction3) Indicate one bond breakage in the reaction and name the type of bond breakage to be... more

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Organic Chemistry Math Chemistry Biochemistry

11/05/21

From the following formula of hydrophilic ointment solve for the quantities of each ingredient needed to prepare 5 lb (Avoir) of the ointment. Note: 1 lb = 454 g (avoir)

Methylparaben 0.25 gPropylparaben 0.15 gSodium lauryl sulfate 10 gPropylene glycol 120 gStearyl alcohol 250 gWhite Petrolatum 250 gPurified Water, add 1000 ga) Use Ratio & Proportion for... more

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Organic Chemistry Math Calculus Chemistry

11/04/21

Please helppppp

The terminal velocity of a 3×10^−5 kg raindrop is about 9 m/s . Assume a drag force FD=−bv.a) Determine the value of the constant b. Express your answer using one significant figure.b= _____... more

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Organic Chemistry Chemistry Biochemistry

11/04/21

Calculate the enthalpy change using Hess Law

using the given chemical reaction below with the net chemical reaction, calculate the enthalpy change. Net Reaction: H2 + O >>>>>> H2O 2H2O >>>>>> 2H2 +... more

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Organic Chemistry Chemistry Biochemistry

11/04/21

Calculate the enthalpy change using Hess Law

using the given chemical reaction below with the net chemical reaction, calculate the enthalpy change. Net Reaction: 4NH3 + 3O2 >>>>>> 2N2 + 6H2O N2 +... more

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Organic Chemistry Chemistry

11/02/21

What will be the pressure of a gas compressed from an initial pressure of 11.5 atm in 53.2 L at 25°C to a volume of 23.1 L at 75°C.

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Organic Chemistry Math Math Chemistry

11/02/21

From the following formula for a progesterone nasal spray, calculate the quantity of each ingredient needed to prepare twenty- four 15-mL containers of the spray.

Progesterone 20 mgDimethyl-b-cyclodextrin 62 mgPurif ed water, ad 1 mL

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6. How would you prepare the following compounds, starting with cyclopentene and other reagents needed? a. Chlorocyclopentane b. Cyclopentanol

Hi,I need help to name this compound

The chemical reaction involved is the decomposition of Hydrogen iodide gas into Hydrogen gas and Iodine gas. Starting with 0.900 mol of Hl in an evacuated 2.0-L flask and with Kc=0.014,

If 0.8 mole of Sulfur dioxide and 0.4 mole of nitrogen dioxide are placed into a 2-liter container and allowed to reach equilibrium,

In what proportion should 5% and 1% hydrocortisone ointments be mixed to prepare a 2.5% ointment?

If 60 mL of a combination gel of hydrocortisone acetate, 1% w/w, and pramoxine, 1% w/w, is mixed with 12.5 mL of a gel containing hydrocortisone acetate, 2.5% w/w, and pramoxine, 1% w/w,

If a pharmacist added each of the following to 22-g packages of 2% mupirocin ointment, what would be the percentage strengths of the resulting ointments:

A pharmacist receives a prescription for 60 g of a 0.75% w/w bexarotene gel. How many grams each of a 1% w/w bexarotene gel and gel base must be used?

A pharmacist combines the contents of a 30-g tube of a 0.5% ointment and a 90-g tube of a 1.5% ointment of the same active ingredient. What is the concentration of the mixture?

A farm product contains a 12.5% w/v concentrate of tiamulin hydrogen fumarate, used to treat swine dysentery when diluted as a medicated drinking water.

What makes one carbocation more stable than another?

What are the main functions of underground stems?

Na+1 Electron Configuration

Wavelengths for organic chemistry

For the reaction below identify the oxidizing agent and the reducing agent. Use the oxidation method. Show all work!

How many liters of 70% alcohol can be prepared from 1 gallon of 100% alcohol?

Compute the total enthalpy change by using the Hess Law

----------Chemistry--------

Pentene is expected to show a positive bromine test

From the following formula of hydrophilic ointment solve for the quantities of each ingredient needed to prepare 5 lb (Avoir) of the ointment. Note: 1 lb = 454 g (avoir)

Please helppppp

Calculate the enthalpy change using Hess Law

Calculate the enthalpy change using Hess Law

What will be the pressure of a gas compressed from an initial pressure of 11.5 atm in 53.2 L at 25°C to a volume of 23.1 L at 75°C.

From the following formula for a progesterone nasal spray, calculate the quantity of each ingredient needed to prepare twenty- four 15-mL containers of the spray.

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