2. what is the product expected from the reaction of 1,3-butadiene and 3-sulfolene? why is this not a major concern as a by-product?
Answers
The product expected from the reaction of 1,3-butadiene and 3-sulfolene is 4-vinylcyclohexene.
This is because the reaction between these two compounds involves a Diels-Alder reaction, in which the 1,3-butadiene acts as the diene and the 3-sulfolene acts as the dienophile. The result is a cycloaddition product, which in this case is 4-vinylcyclohexene.
This product is not a major concern as a by-product because it is relatively stable and does not undergo further reactions easily. Additionally, it is not a particularly toxic or hazardous compound, so it does not pose a significant risk to human health or the environment. Therefore, the formation of 4-vinylcyclohexene as a by-product of the reaction between 1,3-butadiene and 3-sulfolene is not a major concern.
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Related Questions
which statement is true regarding the conversion of arginine to ornithine in the urea cycle? a. the enzyme catalyzing this reaction is a hydrolase. b. this enzyme-catalyzed reaction occurs in the matrix. c. one of the products of this reaction is fumarate. d. the enzyme catalyzing this reaction is a ligase. e. the enzyme catalyzing this reaction is a hydrolase, and the reaction occurs in a matrix.
Answers
This reaction is catalyzed by an enzyme called a hydrolase, and it takes place in a matrix.
What enzyme does arginine's transformation into urea and ornithine?By converting l-arginine to l-ornithine and urea, the ureohydrolase arginase, an enzyme that contains manganese, catalyzes the last stage in the urea cycle to get rid of harmful ammonia.
Why is arginine necessary for the urea cycle?It is changed by the enzyme arginase into L-ornithine, a building block for polyamines and urea, both of which are necessary for the urea cycle. Arg is a precursor of creatine, which is responsible for Arg catabolism, the production of agmatine, and the synthesis of proteins. Creatine is crucial for the energy metabolism of muscle, neuron, and testicles.
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A chemical reaction causes the chemical compositions of substances to change. Reactants are substances that enter into a reaction, and products are substances produced by the reaction
Which of the following are the reactants for this simulation? Select all that apply.
Answers
The statements which is true about the reactants from the given simulation above is: It involves the breaking of chemical bonds.
The correct answer choice is option c
How does reactants involved in the breaking of chemical bonds?For a chemical reaction to occur, the bond between the reacting substances breaks either by covalent or electrovalent bonding in order to form new substance.
So therefore, reactants usually break chemical bonds duringchemical reaction.
Complete question:
A chemical reaction causes the chemical compositions of substances to change. Reactants are substances that enter into a reaction, and products are substances produced by the reaction
Which of the following are the reactants for this simulation? Select all that apply
a. A chemical reaction results to formation of new bonds
b. A chemical reaction involves the formation of new substance.
c. It involves the breaking of chemical bonds
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What happens to the chemical structure of water when it changes states
Answers
Answer:
When water changes to a solid or gas, it's said that water changes to a different state of matter
Explanation:
Even when water physical form changes, the molecules stay the same. Water's molecules contains two hydrogen atoms that is bonded with one oxygen atom.
I KNOW THE ANS JUST NEED AN EXPLANATION...PLEASE I WILL Mark you the brainiest
Answers
What is the man’s weight on Mars where the acceleration due to gravity is 3.7 m/s2?
Answers
Answer:
6.39 × 10^23 kg (0.107 M⊕)
Explanation:
if a mixture of solid nickel(ii) oxide and 0.20 m carbon monoxide comes to equilibrium at 1500 k, what is the equilibrium concentration of ?
Answers
If a mixture of solid nickel oxide and 0.20 M carbon monoxide comes to equilibrium at 1500 k, The concentration of CO₂ at equilibrium is approximately 800 M.
This reaction is an example of heterogeneous equilibria between the substance's reactants and products in two or more phases.
Thus, Kc depends on the concentration of CO₂ and CO and the equilibrium expression is as follows:
K(c) = [CO₂] ÷ [CO] (1)
As per the reaction, 1 mol of CO gives 1 mol of CO₂.
Given, Concentration of CO = 0.20M
Given, Kc = 4.0 × 10³
At equilibrium:
Let the concentration of CO₂= x M
The concentration of CO becomes = 0.20M - x M
substituting these values in equation (1)
4.0 × 10³ = x ÷ (0.20 - x)
on solving the value of x is:
x = 800
[CO₂] = 800 M
Thus, the concentration of CO₂ at equilibrium is approximately 800 M.
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what is the mass of one mole of magnesium chloride
Answers
The mass of one mole of magnesium chloride is 95.21 g/mol.
The mass of one mole of magnesium chloride (MgCl2) can be calculated by adding the atomic masses of one mole of magnesium and two moles of chlorine.
Atomic mass of magnesium = 24.31 g/mol . Atomic mass of chlorine = 35.45 g/mol (because chlorine has two isotopes, the average atomic mass is taken) . Thus, the mass of one mole of magnesium chloride (MgCl2) = 24.31 g/mol + 2(35.45 g/mol) = 24.31 g/mol + 70.90 g/mol = 95.21 g/mol . Therefore, the mass of one mole of magnesium chloride is 95.21 g/mol.
Atomic mass is the amount of matter that makes up an element's atom. The total mass of the protons, neutrons, and electrons that make up an atom is a little bit less than the observable atomic mass.
The average mass of an element's atoms , expressed in ( amu, commonly known as daltons , D) is the element's atomic mass. The mass of each isotope is multiplied by its abundance to get the atomic mass , which is a weighted average of all the isotopes of that element.
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Sn=0.14 (E)
Sn+2 = -0.15(E)
Which form of tin is the stronger reducing agent? OS O Sn +2?
Answers
0.14
Explanation:
I just needed to finish setting up my account
A gene or trait that appears or expresses itself over a recessive trait is called the anstwer
Answers
How many grams are there in 2 x 1024 molecules of BCl3?
Answers
Answer:
How many grams are there in 1x10^24 molecules of BCl3? I use 117.17 as the molecular weight.
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How many grams are there in 1x10^24 molecules of BCl3? I use 117.17 as the molecular weight.
Did you try approaching this problem with dimensional analysis?
We know:
1×1024 molecules
117.17 g/mol
And we want our answer to be in g.
molecules ×gmolדconversion factor"=g
The conversion factor has to have units of
molmolecules in order for everything to work out.
What property do you know that has units of molmolecules?
I don’t know of any, but I do know that Avogadro’s number has units of moleculesmol. So for our conversion factor, we divide by Avogadro’s number, which is the same thing as multiplying by its inverse.
1×1024 molecules×117.17 gmol×mol6.022×1023molecules=
The “molecules” units cancel. The “mol” units cancel. Leaving us with “g”. The dimensions (units) work out. Now just do the math with the numbers.
Explanation:
What are some ways we can measure how much energy a substance has?
Answers
The sum of all an object's atoms and molecules' energies makes up the substance's total energy.
What is a substance's total amount of energy?The sum of all an object's atoms and molecules' energies makes up the substance's total energy. Both the potential energy resulting from the interactions between molecules and the kinetic energy of the particles resulting from the motions of molecules within the material and of atoms inside molecules make up thermal energy.The equation q = m c T , where m is the mass of the sample, c is the specific heat, and T is the temperature change, may be used to determine how much heat is acquired or lost by a sample (q).
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What do each of the variables in Coulomb’s law stand for and what are their units?
Answers
Answer:
File down there
Explanation:
Which of the following equilibria would not be affected by a pressure change?
1) C2H4(g) + H2O(g) = C2H5OH(g)
2) 4HCl(g) + O2(g) = 2H2O(g) + 2Cl2(g)
3) PF3Cl2(g) = PF3(g) + Cl2(g)
4) CO(g) + H2O(g) = H2(g) + CO2(g)
Answers
Answer:
C2H4(g) +H2O(g)=C2H5OH(g)
Rank the atoms from highest to lowest atomic radius.
Source
Carbon
= Lithium
E
dium
Boron
= Fluorine
= Potassium
Target
Answers
From highest to lowest atomic radius:
Potassium > Lithium > Carbon > Boron > Fluorine.
What is an atomic number ?Atomic number is the number of protons found in the nucleus of an atom, which determines the element and its unique properties. It is denoted by the symbol "Z" and is listed in the periodic table of elements along with the element's symbol, name, and atomic mass.
What is a nucleus ?The nucleus is the central core of an atom, composed of protons and neutrons, which are collectively known as nucleons. It is located at the center of the atom and contains almost all of its mass. The number of protons in the nucleus determines the identity of the atom and is referred to as the atomic number. The nucleus is held together by the strong nuclear force, which is one of the four fundamental forces of nature.
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Please helppp asapppp due soon ignore the answers i put in their wrong
Answers
Moles of Cu present = 19.0 g Cu x 1 mole Cu/63.55 g = 0.2990 moles Cu
Moles AgNO3 = 125 g AgNO3 x 1 mole AgNO3/169.9 g = 0.7357 moles AgNO3
Which reactant is limiting? It will be Cu because the mole ratio is 2 AgNO3 to 1 Cu and there is more than enough AgNO3. Thus, amount of Ag formed will depend on moles of Cu (0.2990)
Moles of Ag formed = 0.2990 moles Cu x 2 moles Ag/mole Cu = 0.598 moles Ag
Mass (grams) of Ag formed = 0.598 moles Ag x 107.9 g/mole = 64.52 g = 64.5 g of Ag (3 sig. figs.)
how does the human voice work
Answers
Answer:
vocla cords
Explanation:
CH4+202>CO2+2H2O ; How many grams of water are produced from 30.0g of oxygen? PLS HELP AND SHOW WORK!!!!
Answers
Two
moin tunetons of carbohydraus
Answers
Answer:
Carbohydrates can be divided into two main types: simple and complex. Simple carbohydrates are made up of just one or two sugar units, whereas complex carbohydrates are made up of many sugar units.
Atmospheric pressure at sea level is 1 bar.
A) If we climb a mountain and the pressure at the top is 0.5 bar, what is the partial pressure of oxygen? (assume at sea level the concentration of oxygen in 21\%) (1 mark)
B) If I have balloon with a volume of 1 I at sea level, what is its volume at the top of the mountain where the total pressure is 0.5 bar? (1 mark)
C) If the atmosphere on Mars is made up of an equal mix of nitrogen and carbon dioxide (50:50) and the total atmospheric pressure is 0.8 bar, what is the partial pressure of nitrogen? (1 mark)
Answers
A) The partial pressure of oxygen at the mountain top is 0.105 bar.
B) The balloon's volume at the mountain top is 2 I.
C) The partial pressure of nitrogen on Mars is 0.4 bar.
A) The partial pressure of a gas is calculated by multiplying the total pressure by the fraction of the gas in the mixture. In this case, the partial pressure of oxygen at the top of the mountain would be 0.5 bar multiplied by the concentration of oxygen at sea level, which is 0.21, resulting in 0.105 bar.
B) Boyle's law states that the volume of a gas is inversely proportional to its pressure at a constant temperature. Therefore, if the pressure decreases from 1 bar to 0.5 bar, the volume of the balloon would double, so its volume at the top of the mountain would be 2 I.
C) In a mixture of nitrogen and carbon dioxide with equal proportions (50:50) and a total atmospheric pressure of 0.8 bar, each gas contributes equally. Therefore, the partial pressure of nitrogen would be half of the total pressure, resulting in 0.4 bar.
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under which conditions do you expect a sample of gas to behave most ideally?
Answers
A sample of gas to behave most ideally (act as an ideal gas) at low pressure and high temperature.
A gas will behave most ideally (act as an ideal gas) under the following conditions:
Low pressure: When the pressure is low, the volume occupied by the gas molecules is large compared to the total volume of the container. Therefore, the effect of intermolecular forces is negligible and the gas molecules move freely without any significant interaction. This leads to the gas behaving ideally (act as an ideal gas).High temperature: When the temperature is high, the kinetic energy of the gas molecules is high, and they move faster. At high temperatures, the intermolecular forces are overcome, and the gas molecules move independently of one another. This results in a more ideal gas behavior (act as an ideal gas).Nonpolar molecules: Ideal gas behavior assumes that gas molecules are nonpolar and do not interact with each other. Molecules with dipole moments can experience intermolecular forces that can affect the behavior of the gas.Small molecules: Gases composed of small molecules behave more ideally (act as an ideal gas) than those composed of larger molecules. This is because small molecules have less surface area and therefore less opportunity for intermolecular forces to act.Overall, these conditions allow for the assumption that gas molecules are point masses with no volume and that they do not interact with each other.
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how many sulfate ions are there in 321 grams of iron lll sulfate
Answers
Of course, the mole specifies a much larger quantity, and if I have a mole of stuff then I have
6.022
×
10
23
individual items of that stuff. We can also specify an equivalent mass, because we also know the mass of a mole of iron, and a mole of oxygen etc........The mole is thus the link between the macro world of grams and kilograms and litres, that which we can measure out in the lab, to the micro world of atoms, and molecules, that which we can perceive only indirectly.
Here we have the formula unit
F
e
2
(
S
O
4
)
3
. If there is a mole of formula units, there are necessarily 2 moles of iron atoms, 3 sulfate ions,.......etc.
What is the % dissociation of a solution of acetic acid if at equilibrium the solution has a pH = 4.74 and a pKa = 4.74?
Answers
Answer:
\(\% diss = 50\%\)
Explanation:
Hello there!
In this case, when considering weak acids which have an associated percent dissociation, we first need to set up the ionization reaction and the equilibrium expression:
\(HA\rightleftharpoons H^++A^-\\\\Ka=\frac{[H^+][A^-]}{[HA]}\)
Now, by introducing x as the reaction extent which also represents the concentration of both H+ and A-, we have:
\(Ka=\frac{x^2}{[HA]_0-x} =10^{-4.74}=1.82x10^{-5}\)
Thus, it is possible to find x given the pH as shown below:
\(x=10^{-pH}=10^{-4.74}=1.82x10^{-5}M\)
So that we can calculate the initial concentration of the acid:
\(\frac{(1.82x10^{-5})^2}{[HA]_0-1.82x10^{-5}} =1.82x10^{-5}\\\\\frac{1.82x10^{-5}}{[HA]_0-1.82x10^{-5}} =1\\\\\)
\([HA]_0=3.64x10^{-5}M\)
Therefore, the percent dissociation turns out to be:
\(\% diss=\frac{x}{[HA]_0}*100\% \\\\\% diss=\frac{1.82x10^{-5}M}{3.64x10^{-5}M}*100\% \\\\\% diss = 50\%\)
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Which one of the following substances will give an aqueous solution of pH<7? a. KI b. NH4Br c. Na2CO3 d. CH3COONa e. CH3OH
Answers
The reaction produces CH3COONa and water.The reaction is given below:
CH3COOH + NaOH → CH3COONa + H2O
Hence, the substance that will give an aqueous solution of
pH<7 is CH3COONa.
Among the given options, the substance that will give an aqueous solution of
pH<7 is CH3COONa.
The answer is d. CH3COONa.What is the pH scale?The pH scale ranges from 0 to 14. A pH of 7 is regarded as neutral. A solution is acidic if its pH is less than 7. If the pH of the solution is greater than 7, it is considered to be basic. Water, with a pH of 7, is neutral. The formula of acetic acid is CH3COOH. The salt of this acid is CH3COONa, which is called sodium acetate. When acetic acid is completely ionized, sodium acetate is formed. In the reaction, the H+ ions from acetic acid react with the OH- ions from sodium hydroxide, producing water. The reaction produces CH3COONa and water.The reaction is given below:
CH3COOH + NaOH → CH3COONa + H2O
Hence, the substance that will give an aqueous solution of
pH<7 is CH3COONa.
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A certain metal forms a bromide containing percent by mass. what is the chemical formula of the compound?
Answers
In order to determine the chemical formula of a bromide compound based on its percent composition, we require the specific value for the percent by mass of the metal. Without this information, it is impossible to ascertain the chemical formula.
The percent composition represents the proportion of each element in the compound by mass.
For example, if the metal in question is sodium (Na), and the given percent by mass is 58.5%, it indicates that sodium comprises 58.5% of the compound's total mass.
With this information, we can deduce the chemical formula, which, in this case, would be NaBr for sodium bromide.
However, without the precise percentage, we cannot determine the chemical formula accurately.
Hence, without certain information, it is not possible to ascertain the chemical formula.
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how many grams of helium are in a balloon with 8.40 mol of helium atoms?
Answers
There are 33.6 grams of helium in a balloon with 8.40 mol of helium atoms.
To find the grams or mass of helium in a balloon with 8.40 mol of helium atoms, you need to use the molar mass of helium. The molar mass of helium is approximately 4.00 grams per mole.
The following steps have to be performed :
1. Number of moles of helium atoms is 8.40 mol .
2. The molar mass of helium is 4.00 grams/mol.
3. Multiply the moles of helium atoms by the molar mass of helium to find the grams of helium:
Number of moles = given mass /Molar mass
8.40 mol = given mass / 4 grams
given mass = 8.40 mol × 4.00 g/mol = 33.6 grams
So, there are 33.6 grams of helium in a balloon with 8.40 mol of helium atoms.
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11. which of the following statements are true? i) more metallic elements form more acidic oxides ii) elements with large electron affinities are strong reducing agents iii) elements with similar electronegativities form covalent compounds
Answers
The statement that is true is III, which says, elements with similar electronegativities form covalent compound.
When two atoms have similar electronegativity, both the atoms tends to gain electrons and restrict themselves from sharing the electrons.
So, both the atoms are trying to gain a electron than they will share there electrons in order to achieve stability.
The acidity of the oxide depends on the size of the atoms, smaller the size, more is the acidic oxide. So, usually they are non metals which are acidic in nature, and the acidity if oxide decrease with increase in acidic characters.
And, the elements with greater electron affinity are good oxidizing agents, not reducing agents, because they tends to gain electron.
Hence the statement III is correct.
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The mechanism for the reaction 2H₂O₂ (aq) → 2H₂O(aq) + O₂(g) in the presence of: I (aq) is proposed to be
Step 1: H₂O₂ (aq) + I (aq) → H₂O(aq) + OI (aq) (slow)
Step 2: H₂O₂ (aq) + OI (aq) → H₂O(aq) + O₂(g)+ I (aq) (fast)
1-Write the equation for the overall reaction:
2-Identify the intermediate:
3-What is the molecularity of the rate-determining step?
Answers
2H2O2 (aq) 2H2O(aq) + O2 is the overall reaction (g)
OI- Intermediate
The molecularity of the RDS is 2
What is mecahnism?A reaction mechanism has to do with the way that the sequence of elementary reactions are taking place as we can see here.
The rate of a reaction, the energy changes that take place throughout the reaction, and the variables that affect the reaction can all be learned a lot from the reaction mechanisms. Additionally, they can serve as a guide for creating more effective and focused chemical processes as well as an aid in explaining the behavior of a chemical reaction as it is observed.
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Which description is common to most vascular and nonvascular organisms in the Kingdom Plantae?
produce pollen
use photosynthesis to get nutrients
have stamens and pistils
produce cones
Answers
Vascular and nonvascular organisms in the plant kingdom use photosynthesis to get nutrients.
Photosynthesis and plantsAll plants make use of photosynthesis to get food.
Vascular plants have vascular tissues such as xylem, phloem, etc. while non-vascular plants are devoid of vascular tissues.
Vascular tissues are used to conduct water (xylem) and manufactured foods (phloem) around the body of plants.
Lower plants have other means (such as diffusion and pseudo-vascular tissues) to conduct materials around their own bodies.
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3. The frontliners remind me of my neighbors because
Answers
The front liners remind me of neighbors because they help other people and they sacrifice their selves for others.
Both front liners and neighbors play an important role in supporting and caring for others.
Frontliners, such as healthcare workers and emergency responders, work tirelessly to provide essential services to their communities, even in the face of danger and adversity.
Similarly, neighbors often offer help and support to those around them, whether it be through lending a hand with household tasks or offering emotional support.
Both groups share a common goal of promoting the well-being of those around them and fostering a sense of community. By working together, front liners and neighbors can create a strong and resilient society that prioritizes care and compassion for all.
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Soraya left some soup in the refrigerator. She looked at the soup every day, but she always decided not to eat it. After five days, she started to see mold growing on the surface of the soup. She looked up mold online and found that mold is made of fungal cells. Why didn't Soraya see the mold growing on the soup before the fifth day? Why can she see it now?
Answers
Explanation:
In general, the longer that moisture is present, the greater the chance for mold to grow and spread. When mold spores encounter a moist surface, it starts growing within a few hours, spreading into the material while also filling the air with thousands of mold spores.