What makes alcohols different from other organic molecules structurally?.
Answers
Alcohols are a category of organic molecules that include the hydroxyl functional group (-OH). The presence of this hydroxyl group makes alcohols different from other organic molecules structurally.
The presence of this functional group changes the physical and chemical characteristics of the molecule, including its polarity, boiling point, and reactivity.
A hydroxyl functional group has an oxygen atom bonded to a hydrogen atom. Alcohols have an -OH functional group on an aliphatic carbon atom (not attached to a benzene ring), and the number of carbon atoms in the alcohol molecule may vary. The general formula for alcohols is R-OH, where R is a hydrocarbon chain. The properties of alcohols are influenced by the length and branching of the hydrocarbon chain and the degree of unsaturation in the chain.
The following are some of the differences between alcohols and other organic molecules:
1. Alcohols are more polar than alkanes and other hydrocarbons because of the presence of the hydroxyl group. As a result, they have a higher boiling point than alkanes with a similar molecular weight.
2. Alcohols can hydrogen bond with one another because of the presence of the hydroxyl group, which allows for strong intermolecular attractions.
3. Alcohols can react with acids to produce esters or ethers. The acidity of the hydrogen atom bonded to the oxygen atom in the hydroxyl group makes this reaction possible.
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Related Questions
In which medium will a sound wave move more quickly?
Ethanol, air, vacuum, rock.
Answers
Answer:
Rock
Explanation:
in which shell duplet rule is applied, why?
Answers
Answer:
In first shell duplet rule is applied because first shell contains maximum 2 electrons
Explanation:
what are organelles explain
Answers
Answer:
I hope this helped
Explanation:
An organelle is a subcellular structure that has one or more specific jobs to perform in the cell, much like an organ does in the body. Among the more important cell organelles are the nuclei, which store genetic information; mitochondria, which produce chemical energy; and ribosomes, which assemble proteins.
dimensional analysis 9 lemons = 1 orange How many lemons in 10 oranges?
Answers
So, 10 oranges= 90 lemons
Answer: there are 90 lemons in 10 oranges
What the concentration of oxygen
Answers
Answer:
19.5%
Explanation:
the air required for human breathing is 19.5 percent.
g a 0.1599 gram sample containing an unknown amount of chloride is titrated with a 0.7890 m silver nitrate solution. 30.83 ml of the silver nitrate solution was required to reach the end point of the titration. what is the mass percent of chloride in the original sample?
Answers
To determine the mass percent of chloride in the original sample, we need to first calculate the amount of chloride present in the sample. We can do this by using the balanced equation for the reaction between chloride and silver nitrate:
AgNO3 + Cl- → AgCl + NO3-
First, we need to calculate the number of moles of silver nitrate used in the titration:
moles of AgNO3 = volume (L) x molarity (M) = 0.03083 L x 0.7890 M = 0.02439 moles
Next, we can use the balanced equation to find the number of moles of chloride:
moles of Cl- = moles of AgNO3 = 0.02439 moles
Finally, we can use the number of moles of chloride to calculate the mass of chloride in the sample:
mass of Cl- = moles of Cl- x molar mass of Cl- = 0.02439 moles x 35.5 g/mol = 0.868 g
To find the mass percent of chloride in the original sample, we divide the mass of chloride by the total mass of the sample and multiply by 100%.
mass percent of Cl- = (mass of Cl- / total mass of sample) x 100%
Since we don't know the total mass of the sample, we can use the mass of chloride we just calculated and the formula above to find the mass percent of chloride in the original sample.
mass percent of Cl- = (0.868 g / 0.1599 g) x 100% = 54.3%
So, the mass percent of chloride in the original sample is 54.3%.
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Which statement correctly compares what occurs when molecules absorb photons in the microwave region with what occurs when molecules absorb photons in the infrared region?
Microwave photons cause the molecules to increase their rotational energy states, whereas infrared photons cause the molecules to increase their vibrational energy states.
Microwave photons cause the molecules to increase their rotational energy states, whereas infrared photons cause the molecules to increase their vibrational energy states.
A
Microwave photons cause electrons in the molecules to increase their electronic energy states, whereas infrared photons cause the molecules to increase their rotational energy states.
Microwave photons cause electrons in the molecules to increase their electronic energy states, whereas infrared photons cause the molecules to increase their rotational energy states.
B
Microwave photons cause the molecules to increase their vibrational energy states, whereas infrared photons cause electrons in the molecules to increase their electronic energy states.
Microwave photons cause the molecules to increase their vibrational energy states, whereas infrared photons cause electrons in the molecules to increase their electronic energy states.
C
Microwave photons cause the molecules to increase their rotational energy states, whereas infrared photons cause electrons in the molecules to increase their electronic energy states.
Answers
d.) Microwave photons cause the molecules to increase their rotational energy states, whereas infrared photons cause electrons in the molecules to increase their electronic energy states.
Explanation:
Microwave: transitions in the molecular rotational levels
Infrared: transitions in molecular vibrational levels
UV/Visible: transitions in electronic energy levels.
please help
The amount of matter in an object is known as ____ and it is measured using an electronic balance. The SI unit used with this measurement is ___. The amount of space something takes up is ___ and a graduated cylinder is most commonly used for liquids. The basic SI unit used for graduated cylinders in the ___.
please put answers in order
Answers
Answer:
Mass.
Si Unit Measurement.
volume.
milliliters.
what questions should I expect on the Chemistry module 4 DBA?
(When I’m finished with the DBA I’ll answer this question but right now I need help)
Answers
Decomposition processes should appear here on Chemistry previous modules DBA, When I'm done with the DBA, I'll respond to this query.
How do you define reaction?Opposition or antagonism to a force, effect, or movement is a reactionary act, process, or occurrence. especially: a reaction to a particular treatment, circumstance, or stimulus; leaning toward a past and typically antiquated political or social system or policy.
What kinds of reactions are there?Combination, disintegration, single-replacement, twofold, and combustion are the five fundamental types of chemical reactions. You can classify a reaction into one of these groups by looking at the reactants and products.
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Answer: I was asked to classify equations, balance equations, and define + explain the law of conservation of mass
Please answer all of them!!
Where are atoms found?
What is the Periodic Table of Elements?
What would you see if you looked at iron filings with a Scanning Tunneling Microscope?
Describe the different particles that make up an atom.
What are some examples of elements? How do you know they are elements?
How can you use the Periodic Table of Elements to help you find information about specific elements?
How did scientists conclude that most of an atom is empty space?
What are some different careers available for people that want to study atoms and molecules?
Answers
1.Electrons are found in shells or orbitals that surround the nucleus of an atom. Protons and neutrons are found in the nucleus. They group together in the center of the atom. That's all you have to remember.
2. Periodic table. a table of the chemical elements arranged in order of atomic number. Chemical Group/Family. In chemistry, a group (also known as a family) is a column of elements in the periodic table of the chemical elements.
3. If you were to look at some iron filings with a Scanning Tunneling Microscope, you would be able to see tiny spheres of iron atoms. Microscopic Atoms Atoms are extremely small. ... If you were to look at some iron filings with a Scanning Tunneling Microscope, you would be able to see tiny spheres of iron atoms.
4.The three main subatomic particles that form an atom are protons, neutrons, and electrons. The center of the atom is called the nucleus. First, let's learn a bit about protons and neutrons, and then we will talk about electrons a little later. Protons and neutrons make up the nucleus of an atom.
5. An element (also called a "chemical element") is a substance made up entirely of atoms having the same atomic number; that is, all of the atoms have the same number of protons. Hydrogen, helium, oxygen, nitrogen, carbon, gold, silver, lead, and uranium are well-known examples of elements
6.The periodic table of elements arranges all of the known chemical elements in an informative array. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass. The rows are called periods.
7.In 1911, a British scientist named Ernest Rutherford discovered that an atom is mostly empty space. He concluded that the positively charged particles are contained in a small central core called the nucleus. ... This attraction holds the negatively charged particles in the atom.
8.Astronomers.
Astrophysicists.
Atomic physicists.
Condensed matter and materials physicists.
Condensed matter physicists.
Cosmologists.
Extragalactic astronomers.
Fluid dynamicists.
what subatomic parts are equal to make a neutral atom
Answers
In a neutral atom, the number of protons (positively charged subatomic parts) in the nucleus is equal to the number of electrons (negatively charged subatomic parts) orbiting the nucleus. Therefore, the number of protons and electrons are equal, resulting in a neutral charge for the atom.
In physics, a subatomic particle is a particle smaller than an atom. According to the Standard Model of particle physics, a subatomic particle can be either a composite particle, which is composed of other particles (for example, a proton, neutron, or meson), or an elementary particle, which is not composed of other particles (for example, an electron, photon, or muon). Particle physics and nuclear physics study these particles and how they interact.
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How many grams are in 562 dg?
Answers
Answer:
56.2 g
Explanation:
What’s a physical change
Answers
Answer:Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds.
Explanation:
What mass is grams of potassium chloride is produced if 2.4 moles of potassium chlorate decompose according to the following equation? heat 2KC10;(s)– 2KCI(s) + 30,(g)
Answers
The mass of potassium chloride produced when potassium chlorate decomposes in this instance is 178.92 g.
How to find the mass ?The balanced chemical equation is:
2KClO3(s) → 2KCl(s) + 3O2(g)
From the equation, we can see that 2 moles of KClO3 produce 2 moles of KCl. Therefore, 1 mole of KClO3 produces 1 mole of KCl.
Given that 2.4 moles of KClO3 decompose, the amount of KCl produced will also be 2.4 moles.
Now, we need to find the mass of KCl produced, using the molar mass of KCl:
KCl: K = 39.10 g/mol, Cl = 35.45 g/mol
Molar mass of KCl = 39.10 + 35.45 = 74.55 g/mol
Mass of KCl produced = number of moles x molar mass
Mass of KCl produced = 2.4 moles x 74.55 g/mol = 178.92 g
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Which type(s) of elements bonded to form the solute that would be considered ionic
and which type bonded to form the solute that would be considered covalent? (i.e.
metal with nonmetal, metal with metal, nonmetal with nonmetal)
Answers
Answer:
Ionic Bonds are formed from metal to nonmetals. Covalent Bonds usually form from nonmetals.
Explanation:
The following differential equation describes a chemical reaction,
dx
dy
=e
−y
(2x+1) where y is the amount of chemical product and x is the length across the reactor. i. Find the particular solution for y, given that y=0 at the edge of the reactor where x=0. [2 marks] ii. Use the particular solution in part i. to find the amount of chemical product, y, at a distance of x=1.
Answers
The amount of chemical product, y, at a distance of x = 1 is given by y = -ln(-(1/2) ln|3| + C3), where C3 is a constant.
The given differential equation is dx/dy = e^(-y)(2x+1), where y represents the amount of chemical product and x represents the length across the reactor.
i. To find the particular solution for y, we need to solve the given differential equation. Let's separate the variables and integrate both sides with respect to x and y.
dx/(2x+1) = e^(-y) dy
Integrating both sides, we get:
∫ dx/(2x+1) = ∫ e^(-y) dy
To integrate the left side, we can use the substitution u = 2x+1. This gives us du = 2dx, which implies dx = du/2.
∫ dx/(2x+1) = ∫ (1/u) (du/2)
= (1/2) ∫ du/u
= (1/2) ln|u| + C1, where C1 is the constant of integration.
= (1/2) ln|2x+1| + C1
Integrating the right side:
∫ e^(-y) dy = -e^(-y) + C2, where C2 is the constant of integration.
Now, equating both sides and simplifying:
(1/2) ln|2x+1| + C1 = -e^(-y) + C2
Rearranging the terms:
e^(-y) = -(1/2) ln|2x+1| + C3, where C3 = C2 - C1.
Taking the natural logarithm of both sides:
-y = ln(-(1/2) ln|2x+1| + C3)
y = -ln(-(1/2) ln|2x+1| + C3), where C3 is a constant.
ii. To find the amount of chemical product, y, at a distance of x = 1, we substitute x = 1 into the particular solution obtained in part i.
y = -ln(-(1/2) ln|2(1)+1| + C3)
Simplifying further:
y = -ln(-(1/2) ln|3| + C3)
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if you add 5 ml of 0.5 m naoh solution to 20 ml each of buffer b (with a ph of 4.03) and buffer c, which buffers ph would change the least?
Answers
If you add 5 ml of 0.5 M NaOH solution to 20 ml each of buffer B (with a pH of 4.03) and buffer C, the buffer whose pH will change the least is buffer B.
What is a buffer?
A buffer is a solution that resists changes in pH when acid or alkali is added. A buffer solution is a solution that contains a weak acid and its corresponding weak base or a weak base and its corresponding weak acid.
The Henderson-Hasselbalch equation can be used to calculate the pH of a buffer solution before and after adding a strong base or acid.
The equation is pH = pKa + log ([A-]/[HA])
where:pKa is the dissociation constant for the acid[A-] is the conjugate base of the acid when a command (such as NaOH) is added to a buffer solution, the base reacts with the weak acid to form the conjugate base of the acid and water. The addition of the conjugate base of the acid causes the pH of the solution to rising.
When an acid (such as HCl) is added to a buffer solution, the acid reacts with the weak base to form the conjugate acid of the base and water. The addition of the conjugate acid of the base causes the pH of the solution to decrease. Based on the above equation, pH change will be minimum in Buffer B. Therefore, the buffer whose pH will change the least is buffer B.
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After Jenny finished collecting her data, she made the following table.
Toy Car Experiment
Distance Traveled
(meters) Total Time
(seconds)
10 7
20 14
30 21
40 28
50 35
60 42
Which of the following is true?
A.
It took the car less time to travel the first 10 meters than it did to travel the last 10 meters.
B.
The car was moving during the first 10 meters, but it was not moving during the last 10 meters.
C.
It took the car the same amount of time to travel the first 10 meters as it did to travel the last 10 meters.
D.
It took the car more time to travel the first 10 meters than it did to travel the last 10 meters.
Reset Submit
Answers
The true statement is: It took the car the same amount of time to travel the first 10 meters as it did to travel the last 10 meters (Option C)
How to determin which statement is trueThe following data were obtained from the question:
Distnce travelled: 10 20 30 40 50 60Time taken: 7 14 21 28 35 42Now, we shall determine the time taken to travel the first 10 m. This is shown below:
Distance = 10 - 0 = 10 mTime = 7 - 0 = 7 sNext, we shall determin the time taken to travel the last 10 m. This is shown below:
Distance = 60 - 50 = 10 mTime = 42 - 35 = 7 sFrom the above illlustration, we can see clearly that it took the car the same time to travel the first 10 m and the last 10 m.
Thus, the true statement is option C: It took the car the same amount of time to travel the first 10 meters as it did to travel the last 10 meters
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Complete the following table based on Le Chatelier's Principle. (5 points) Effect on equilibrium Change required to return to equilibrium Disturbance Addition of reactant Shift to the right Some of the added reactant must be consumed Addition of product Removal of reactant Decrease in volume (increase in pressure) Increase in temperature Decrease in temperature
Answers
Based on Le Chatelier's Principle, the table can be completed as follows:
Effect on equilibrium Change required to return to equilibrium Disturbance Addition of reactant Shift to the right Some of the added reactant must be consumed Addition of product Shift to the left Some of the added product must be consumed Removal of reactant Shift to the left Some reactant must be replenished Decrease in volume (increase in pressure) Shift to the side with fewer moles of gas Increase in volume (decrease in pressure) Shift to the side with more moles of gas Increase in temperature Shift to the endothermic direction Decrease in temperature Shift to the exothermic direction
Please note that the changes required to return to equilibrium are general guidelines based on Le Chatelier's Principle, but the specific reaction and conditions may influence the extent and nature of these changes.
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look at image please
Answers
The mass of oxygen gas produced, given that 15.8 g of potassium permanganate is heated until no more oxygen gas is given off is 1.6 g
How do i determine the mass of oxygen produced?From the question given, the following data were obtained:
Mass of potassium permanganate = 15.8 gMass of remaining material after heating = 14.2 gMass of oxygen gas =?The mass of oxygen gas produced from the reaction can be obtained as follow:
Mass of potassium permanganate = Mass of remaining substance + mass of oxygen
Inputting the given parameters, we have:
15.8 = 14.2 + mass of oxygen
Collect like terms,
Mass of oxygen = 15.8 - 14.2
= 1.6 g
Thus, we can conclude that the mass of oxygen gas produced from the reaction is 1.6 g
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How can an igneous rock become a sedimentary rock?
Answers
On the surface, weathering and erosion break down the igneous rock into pebbles, sand, and mud, creating sediment, which accumulates in basins on the Earth's surface. As successive layers of sediment settle on top of one another, the sediment near the bottom is compressed, hardens, and forms sedimentary rock.
Increasing which factor will not increase the rate of a chemical reaction?.
Answers
The factor that will not increase the rate of a chemical reaction is the volume of the reactants.
A chemical reaction is also characterized by a rearrangement of atoms.Increasing the concentration of reactants, temperature, and surface area all speed up the rate of a chemical reaction.
However, increasing the volume of the reactants will not increase the rate of a chemical reaction as it does not affect the collision frequency of reactant molecules.A reaction occurs when reactant molecules collide with one another and successfully overcome the activation energy barrier.
Concentration, temperature, and surface area all affect the likelihood of collision frequency and can hence speed up a reaction.
An increase in volume, on the other hand, can increase the space between molecules, reducing collision frequency, and, as a result, slowing down the reaction.
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Explain how you would calculate how many seconds old you are. What conversion factors would you use?
Answers
365 days = 1 years
1 day = 24 hours
1 hour = 60 minutes
1 minute = seconds
I would be able to solve it.
How could your community apply kinetic tile technology to reduce its dependence on fossil fuels?
Answers
Answer:
hope it helps...
Explanation:
Alternative, renewable energy sources, such as wind and solar power, eliminate the pollution that accompanies fossil fuel energy. Alternative energy also reduces the reliance on limited fossil fuels. Consider installing solar panels in your home to reduce the amount of fossil fuel needed to power your home.
IF this helped please comment on my answer...
A student measures the mass of a substance as 1.7132kg and it's volume as 0.65l. What is the density substance in g/mL? Round your answer to the correct number of significant figures
Answers
Answer:
The substance has a density of 2.636 grams per mililiter.
Explanation:
We must remember that density (\(\rho\)), measured in grams per mililiters, is the mass of the substance (\(m\)), measured in grams, divided by its volume (\(V\)), measured in mililiters. That is:
\(\rho = \frac{m}{V}\)
In addition, a kilogram equals 1000 grams and a liter equals 1000 mililiters. If we know that \(m = 1713.2\,g\) and \(V = 650\,mL\), then:
\(\rho = \frac{1713.2\,g}{650\,mL}\)
\(\rho = 2.636\,\frac{g}{mL}\)
The substance has a density of 2.636 grams per mililiter.
To ensure that a vehicle crash is inelastic, vehicle safety designers add crumple zones to vehicles. A crumple zone is a part of a vehicle designed to crumple easily in a crash. Use Newton’s second law to explain why crumple zones reduce the force in a collision.
Answers
Answer:
well because with the velocity of the two, using the second law, it can slow the velocity before there is a casualty.
Explanation:
During a course of reaction, can only one activated complex be formed for a particular type of reaction?
Answers
No, during a course of reaction, multiple activated complexes can be formed for a particular type of reaction. An activated complex is a short-lived, high-energy intermediate state that occurs during a chemical reaction.
What is energy ?Energy is a fundamental concept in physics that describes the capacity of a physical system to do work or produce a change. It is a property of matter and radiation and can be converted from one form to another. There are various types of energy, including kinetic energy (energy of motion), potential energy (energy due to position or configuration), thermal energy (energy due to the temperature of a system), chemical energy (energy stored in the bonds between atoms and molecules), and nuclear energy (energy stored in the nucleus of an atom). The unit of energy is the joule (J) in the SI system.
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I need a help from this question!!
Answers
Answer:
B
Explanation:
Please take a look at the picture attached for the drawings and structures.
C2H4 is a alkene (C-C double bond). When steam (water) is added, it turns into an alcohol, where the double bond breaks and a (-OH) functional group is attached to one of the Carbons. In this case, C2H4 ethene is turned into ethanol.
When an alcohol undergoes oxidation, primary alcohols turn into aldehyde (-CHO) or carboxylic acids (-COOH). Secondary alcohol turns into ketone. Ethanol is a primary alcohol. And since it later reacts with propanol, it can only form carboxylic acid when it oxidizes. The product in this reaction is ethanoic acid.
Carboxylic acid reacts with alcohol to form an ester (-COO-). the -COOH group from acid combines with the -OH group from alcohol to form an ester bond -COO- while eliminating H2O. Therefore, when propanol undergoes esterification with ethanoic acid, propyl ethanoate is produced. It is the answer of B.
what is the chemical name for Li2CO2
Answers
Answer:
Lithium Carbonite
Explanation:
Answer:
Lithium
Explanation:
ernest rutherford developed an experiment that showed protons can pass through gold atoms untouched and/or un-deflected. sometimes the protons were deflected by something, but this did not happen too often. most of the atoms pass straight through. his experiment changed the way scientists viewed the structure of an atom. what conclusion did rutherford draw from his experiment?
Answers
Rutherford conclusion was: Inside of the gold atom consists of empty spaces.
Rutherford theorized that atoms have their charge concentrated in a very small nucleus.
This was famous Rutherford's Gold Foil Experiment: he bombarded thin foil of gold with positive alpha particles (helium atom particles, consist of two protons and two neutrons).
Rutherford observed the deflection of alpha particles on the photographic film and notice that most of alpha particles passed straight through foil.
That is different from Plum Pudding model, because it shows that most of the atom is empty space.
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