2,220 Answered Questions for the topic organic chemistry

Organic Chemistry Chemistry Biochemistry Chem

03/29/20

Chemistry question about solutions
Why do we use salt on ice in cold weather? The combination increases the boiling point of the ice, making it melt faster. The combination increases the vapor pressure of the ice, so it evaporates... more
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Organic Chemistry Chemistry Biochemistry Solutions

03/28/20

Chemistry question about solutions

Select the best term that completes this statement: Solvents dissolve solutes because the two substances have ________________ intermolecular... more
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Organic Chemistry Chemistry Biochemistry Solvent

03/27/20

Chemistry question about basis of dilution
The fundamental basis of the dilution equation is the idea that ______________________ . the amount of solute stays constant. the amount of solvent stays constant the solute is soluble in any... more
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Organic Chemistry Chemistry Biochemistry Solutions

03/27/20

Chemistry question about solutions (acid and basic)
What ultimately occurs in the ionization process of a weak acid or base? It eventually reverses completely to reform the un-ionized acid or base molecules It eventually goes 100% to completion. It... more
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Organic Chemistry Chemistry Biochemistry Chemical

03/27/20

Chemistry question about chemical equilibrium
Why is a chemical equilibrium considered a dynamic equilibrium? Because both forward and reverse reactions continue, even though there is no net change. Because there is no net change in the... more
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Organic Chemistry Chemistry Biochemistry

03/26/20

Chemistry MATH Question 1
A rate is equal to 0.0200 M/s. If [A] = 0.100 M and rate = k[A]0[B]2, what is the new rate if the concentration of [A] is increased to 0.200 M?
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Organic Chemistry Chemistry

03/26/20

someone please help
Determine the maximum number of peak(s) you would expect to observe in a 13C-NMR spectrum 1-pentene, assuming that each distinct chemical environment gives rise to a peak.
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Organic Chemistry

03/25/20

Why can caffeine be extracted from tea leaves into hot water?
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Organic Chemistry Science Chemistry Biochemistry

03/25/20

How is a balanced chemical equation similar to a recipe? Explain and give examples.
Please explain it clearly for me. I really need help.
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Organic Chemistry Biology Chemistry Nutrition

03/24/20

How do you lose weight?
Give me simple details with simple explanation on how to lose weight. The answer should NOT include the word energy but a simple calculation detailing the proces of how to gain/lose weight.
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Organic Chemistry Chemistry Equations Temperature

03/21/20

Chemistry problem about gas laws

Determine the temperature of the gas that has the following properties:R = 0.08205 L•atm/mol•K.P = 2.07 atmV = 32.8 Ln = 2.88 molI know the formula is R=(L.atm)/(mol.K) but i know the R and it is... more
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Organic Chemistry Chemistry Volume Gas Laws

03/21/20

Chemistry exercise about gas laws
A sample of gas has an initial volume of 545 mL and an initial temperature of 298 K. If the volume is changed to 495 mL, what is the new temperature? Assume pressure and amount remain constant.... more
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Organic Chemistry Chemistry Law

03/21/20

Chemistry question about Boyle's law
To apply Boyle's law to a gas, what properties of the gas must remain constant? Select all that apply. amount in moles volume pressure temperature I know the temperature should remain constant but... more
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Organic Chemistry Chemistry Molecule

03/21/20

Chemistry question about molecule
A molecule that has a permanent separation of partial charge is called a(n)? I do not know if i should write dipole or dipole-dipole.
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Organic Chemistry Chemistry Phases

03/21/20

Chemistry exercise about the different phases:

if a sample has a relatively low density, the phase is like to be (gas or liquid or solid) but probably not (gas or liquid or solid) and (gas or liquid or solid).
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Organic Chemistry Chemistry Chem Ap Chem

03/21/20

(Please Help) Determination of boiling point of unknown liquid
Data:Calibration of thermometer:In ice-water system:Actual temperature, T(°C): T1: 0.0Thermometer reading, R(°C): R1 :0.2In boiling water system:Actual temperature, T(°C): T2: 100.0Thermometer... more
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Organic Chemistry Chemistry Properties Gases

03/21/20

Quemistry question about the property of gases.

The collisions of gas particles with the walls of their container is the source of what property of gases? temperature mass density pressure volume I think it is pressure the answer but i am not... more
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Organic Chemistry Chemistry Gases Gas Law Formula

03/21/20

This is a chemistry about the phases and the gas law formulas.

Does the identity of the gas matter when using the gas law formulas? Why or why not? Yes, because the volume of a gas depends on its molar mass. No, except for the ideal gas law, which includes the... more
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Organic Chemistry Chemistry Gases Problems Phases

03/21/20

This is a chemistry question about the gases problems.

Of the phases of matter commonly studied in chemistry, which phase has some regular behaviors independent of the identity of the substance involved?
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Organic Chemistry Chemistry Chemical Processes

03/21/20

This is an chemistry problem about calories and i need help do it. Thanks.
Lean ground beef is 20.0% fat, 18.0% protein, and 62% non-caloric components (mostly water). What are the Calories in a 100.0-gram serving of lean ground beef? Give your answer to three significant... more
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Organic Chemistry

03/18/20

Why is it not necessary to measure the volume of acetic anhydride to two significant figures and What is the theoretical yield of aspirin (in two significant figures).
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Organic Chemistry

03/17/20

Reaction with bromine water.
Will cyclobutanal react with bromine water or not?
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Organic Chemistry

03/16/20

Draw the following structures.
Draw the structures of the following:a. A compound with empirical formula C5H8O that gives a positive iodoform test and does not decolorize KMnO4.b. A compound with empirical formula C5H8O that... more
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Organic Chemistry

03/16/20

Simple qualitative test
What qualitative test will distinguish benzaldehyde and phenylacetaldehyde with each other
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Organic Chemistry

03/05/20

Does the water solubility of benzocaine change after it reacts with Hcl?

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