2,220 Answered Questions for the topic organic chemistry

Organic Chemistry Science Chemistry Biochemistry

03/09/22

How many grams of nitric acid are there in 3 mol nitric acid?
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Organic Chemistry Science Chemistry Biochemistry

03/09/22

Solve for the molarity of 0.327 grams sulfuric acid in a 250 ml solution.

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Organic Chemistry Biology Chemistry Biochemistry

03/09/22

What is the normality of 0.446 g hydrochloric acid in a 250 ml solution?
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Organic Chemistry Chemistry Biochemistry Pharmacology

03/09/22

Solve for the normality of 0.545 grams sodium carbonate in a 500 ml solution.
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Organic Chemistry Science Chemistry Biochemistry

03/09/22

A silver chloride sample was allowed to dissociate in 15 ml of water.

What is the chloride ion concentration if the sample weighs 0.5479 g?
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Organic Chemistry Science Chemistry Biochemistry

03/09/22

BOILING POINT OF A SOLUTION
How many moles of ions are formed in aqueous solution when 1 mol of Sr(OH)2 dissolves in water? Explain its effect in the freezing and boiling point of a solution
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Organic Chemistry Science Chemistry Biochemistry

03/09/22

COLLIGATIVE PROPERTY CHEMISTRY
Which compound will have the lowest impact in the colligative property? Why?A. 3 mol CaCl2B. 3 mol C6H12O6C. 3 mol NaClD. Both A and B
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Organic Chemistry Science Chemistry Biochemistry

03/08/22

An excess lead nitrate solution was added to a 6.5 g sample mixture containing strontium nitrate and potassium bromide to precipitate out 0.8993 g of lead (II) bromide.

Solve for the percent by mass of the individual components of the mixture.
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Organic Chemistry Chemistry Biochemistry Analysis

03/08/22

An excess sodium sulfate was added to a 53-ml sample of barium nitrate.

If 3.09 g of ppt was formed, what is the molar concentration of the sample?
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Organic Chemistry Chemistry

03/06/22

Determination of pH
You are testing a newly discovered pH indicator which has a Ka of 2.5  10-7. You carefully prepare a solution of 0.0041 M indicator in solutions of 0.5 M HCl, 0.5 M NaOH, and in unknown solution A.... more
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Organic Chemistry Chemistry

03/06/22

Spectrophotometric Determination of pH 2
Salts of hypoiodite ion behave as a weak base, undergoing hydrolysis in water according to the equation:IO- + H2O  HIO + OH-Kb for hypoiodite ion = 0.00044.Calculate the [H+] and pH of a 0.713 M... more
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Organic Chemistry Chemistry

03/06/22

Spectrophotometric Determination of pH
Formic acid (HCOOH) is a weak acid that partially dissociates as follows, with a Ka = 0.0001778:HCOOH + H2O ↔ H3O+ + HCOO-Calculate the [H+] and pH of a 0.559 M solution of formic acidNow calculate... more
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Organic Chemistry

03/03/22

In functional groups, how can you distinguish between hexylamine (C6H13NH2) and aniline (C6H5NH2)?
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Organic Chemistry

03/03/22

EAS Synthesis Multi Step
In no more than 4 steps, provide the reagents and intermediates for the synthesis of m-hydroxy toluene from toluene as the starting material.
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Organic Chemistry Chemistry Biochemistry

03/03/22

Indicate which member of the pair you would expect to have the higher boiling point.
HCl or I2 CH3F or CH3OH H2O or H2S SiO2 or SO2
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Organic Chemistry Chemistry Biochemistry

03/03/22

Choose the predominant intermolecular force involved for each substance.
Choices (London dispersion, Dipole-dipole, Hydrogen Bond, Covalent Network, Ionic Forces)Pair 1: HClPair 1: I2Pair 2: CH3FPair 2: CH3OHPair 3: H2OPair 3: H2SPair 4: SiO2Pair 4: SO2
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03/02/22

A 7.00 L tank at 7.66 degrees C is filled with 4.90 g of dinitrogen monoxide gas and 4.66 g of chlorine pentafluoride gas. You can assume both gases behave as ideal gases under these conditions.
Calculate the mole fraction and partial pressure of each gas, and the total pressure in the tank. Round each of your answers to 3 significant digits.= _____
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Organic Chemistry Science Chemistry Biochemistry

03/01/22

CONCENTRATION OF SOLUTIONS CHEMISTRY (MOLARITY)
What is the molarity of a solution that contains 25 g of KOH in 250 mL of solution?  What is the mole fraction of sulfuric acid (H2SO4) in 8% aqueous H2SO4 solution?
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Organic Chemistry Chemistry Biochemistry

02/28/22

What types of intermolecular forces would occur in each of the following
(CH3)2NHSO2BrFCH3CF3HBrKCl
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Organic Chemistry

02/27/22

acids and bases
why 2-methyl pyridine is a stronger base than pyridine?
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02/22/22

Chemistry Help ASAP
2 HNO3 + Mg(OH)2 ----> Mg(NO3)2 + 2 H2ONO3 has a charge of -1.The equation is balanced. A 40-ml solution of Mg(OH)2 is neutralized by 12 ml of 0.9 M HNO3. How many moles of HNO3 were used to... more
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Organic Chemistry Science Chemistry Biochemistry

02/18/22

What is the weight of a specimen (MW=56.1) in grams if the molarity of a 500 mL solution is 1.5 M?
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Organic Chemistry Science Chemistry Biochemistry

02/18/22

The solution is made up of a A, B, and C in 4:3:1 proportions. How much of each is present if the whole solution has a volume of 350 mL?
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Organic Chemistry Science Chemistry Biochemistry

02/18/22

What is the percent weight in weight strength if 50 grams of NaCl is dissolved in 300 mL of solvent with specific gravity of 1.2?
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Organic Chemistry Science Chemistry Biochemistry

02/16/22

Which of the following molecules has the lowest viscosity?
Which of the following molecules has the lowest viscosity?a. methanolb. glycerolc. methaned. water 2. The boiling point of methane (CH4) is much lower than that of hydrogen fluoride (HF)... more
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