In the dehydration synthesis of six triglyceride molecules, 18 water molecules are removed, and 6 bonds are formed.
During the dehydration synthesis process, also known as condensation reaction, triglyceride molecules are formed by joining three fatty acid molecules to a glycerol molecule. In this process, a water molecule is removed for each bond formation between the fatty acids and glycerol.
Since each triglyceride molecule consists of three fatty acids, and there are six triglyceride molecules involved, a total of 18 fatty acids are combined with 6 glycerol molecules. Therefore, 18 water molecules are eliminated during the dehydration synthesis of these triglyceride molecules.
At the same time, for each bond formed between a fatty acid and glycerol, a water molecule is released. Since there are three bonds formed per triglyceride molecule, and there are six triglyceride molecules, a total of 18 bonds are formed.
It's important to note that the number of water molecules removed and bonds formed may vary depending on the specific structure and composition of the triglyceride molecules involved in the dehydration synthesis reaction.
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PLEASE HELP
Select the statements that are correct regarding this reaction.
This is a fusion process.
This is a fission process.
The mass of the products is exactly equal to the reactants.
Only the number of particles of product equals the number of particles of reactants.
Could be more than one answer
Answer:
This is a fusion process.
This is a fission process.
Explanation:
Select the statements that are correct regarding this reaction.
This is a fusion process.
This is a fission process.
The mass of the products is exactly equal to the reactants.
Only the number of particles of product equals the number of particles of reactants.
Could be more than one answer
Hydrogen 1 + Lithium 7 yields 2 Helium 4 plus energy
you have merged hydrogen 1 with Lithium 7 to produce a temporary berylium8, so it is fusion, because you are fusing the particles together.
the energy of the impact of the hydrogen on the lithium
causes the temporary berylium 8 to split into 2 helium atoms, so it is then fission, because you are splitting an atom of berylium8.
the mass of the reactants and products are not equal, because some of the energy comes from conversion of the reactant mass to energy by E=mcc
The number of reactant particles does equal the number of product particles, bute answer says ONLY which is not correct
In the given reaction, The mass of the products is exactly equal to the reactants. However this a radioactive process where, lithium and hydrogen react together forming two helium nuclei.
What is mass conservation?According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the total mass of a system is conserved. In a closed system the mass cannot be lost.
For a chemical reaction, new products are formed by regrouping of atoms from the reactants where no new atom is produced not any lost. Hence, the total mass in the reactant side will be equal to the total mass in the product side.
In the given reaction the number of particles are equal in both side as well mass too equal in both side. The total mass in reactant side and product side is 8.
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What is the mole concept and why is it important in chemistry?
Answer:
Avogadro's number
Explanation:
Answer:
The mole concept is a unit used in chemistry to express amounts of a substance. It is defined as the amount of a substance that contains Avogadro's number of particles. It is important in chemistry because it allows for accurate and consistent measurement of chemical reactions.
Explanation:
which of the following compounds is an organic base containing chlorine and two phenolic rings, used increasingly for hand scrubbing, neonatal washes, wound degerming, and prepping surgical skin sites
A. carbolic acid
B. chlorhexidine
C. triclosan
D. formalin
E. quartemmy ammonium compounds.
The compound that fits the description of an organic base containing chlorine and two phenolic rings, used for hand scrubbing, neonatal washes, wound degerming, and prepping surgical skin sites is: B. chlorhexidine
Chlorhexidine is a disinfectant and antiseptic compound commonly used in healthcare settings. It has broad-spectrum antimicrobial properties and is effective against a wide range of bacteria, fungi, and viruses. Chlorhexidine is available in various forms, such as solutions, creams, and wipes, and it is used for hand hygiene, skin preparation before surgical procedures, and wound cleansing.
Carbolic acid (A), triclosan (C), formalin (D), and quaternary ammonium compounds (E) are different types of disinfectants or antiseptics, but they do not specifically match the description given in the question.
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Why is the combustion of hydrocarbons important for modern society?
I just know the other answers to the test are
1. large differences
2. sodium
3.energy and light
4.10co2+4h2o
The combustion of hydrocarbons is important for modern society for energy and light generation.
Importance of hydrocarbon combustionWhen hydrocarbons burn in oxygen, the process is an exothermic reaction. In other words, the combustion of hydrocarbons yields a lot of energy. This energy is important for different purposes in modern society.
The combustion of hydrocarbon remains a major source of energy for industrial and domestic usage. For example, fossil fuel-derived diesel, kerosene, and PMS are all hydrocarbons of varied chains. Their combustion is what is used to drive many engines, including cars.
Not only energy, but the combustion of hydrocarbons also generates light for different human uses. Although alternate forms of energy are now being exploited due to the emission rate of hydrocarbon combustion, it remains a major source of energy and light to modern society.
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hydrogen gas (h2) reacts with oxygen gas (o2) to form water (h2o). what mass of oxygen gas was reacted in excess hydrogen gas to produce 100. g water?
To produce 100. g water, 88.8 g of oxygen gas was reacted with excess hydrogen gas.
Balanced chemical equation for the reaction between hydrogen gas and the oxygen gas to form water is;
2H₂ + O₂ → 2H₂O
From the equation, we can see that 1 mole of oxygen gas reacts with 2 moles of hydrogen gas to produce 2 moles of water. We can use this information to calculate the number of moles of oxygen gas required to produce 100 g of water.
First, we need to calculate the number of moles of water produced;
100 g H₂O × (1 mol H₂O/18.015 g H₂O) = 5.550 mol H₂O
Since 2 moles of water are produced for every mole of oxygen gas, the number of moles of oxygen gas required is:
5.550 mol H₂O × (1 mol O₂/2 mol H₂O) = 2.775 mol O₂
Finally, we can calculate the mass of oxygen gas required;
2.775 mol O₂ × 31.998 g/mol = 88.8 g O₂
Therefore, 88.8 g of oxygen gas was reacted with excess hydrogen gas to produce 100 g of water.
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The dissociation of calcium carbonate has an equilibrium constantKp = 1.16 at 800 °C.
CaCO3(s) <-> CaO(s) + CO2(g)
a. What is Kc for the reaction?
b. If you place 22.5 g of CaCO3 in a 9.56 L container at 800°C, what is the pressure of
CO2 in the container?
c. What percentage of the original 22.5 g sample of CaCO3 remainsundecomposed at
equilibrium?
a. Kc for the reaction is approximately 0.0146.
b. The pressure of CO₂ in the container is approximately 17.4 atm.
c. Approximately 99.97% of the original 22.5 g sample of CaCO₃ remains decomposed at
equilibrium.
a. To determine the equilibrium constant Kc for the reaction, we need to relate Kp to Kc using the relationship:
Kp = Kc(RT)^Δn
Where:
Kp is the equilibrium constant in terms of partial pressures,
Kc is the equilibrium constant in terms of molar concentrations,
R is the gas constant (0.0821 L·atm/(mol·K)),
T is the temperature in Kelvin, and
Δn is the change in the number of moles of gaseous products minus the number of moles of gaseous reactants.
In this case, the reaction has one gaseous product (CO2) and no gaseous reactants, so Δn = 1 - 0 = 1.
Given that Kp = 1.16, we can calculate Kc:
Kp = Kc(RT)^Δn
1.16 = Kc(0.0821 L·atm/(mol·K) * (800 + 273.15) K)^1
Simplifying the equation:
Kc = 1.16 / (0.0821 * 1073.15)
Kc ≈ 0.0146
Therefore, Kc for the reaction is approximately 0.0146.
b. To calculate the pressure of CO₂ in the container, we need to use the ideal gas law:
PV = nRT
Amount of CaCO₃ (n) = 22.5 g / (100.09 g/mol) (molar mass of CaCO₃)
Volume (V) = 9.56 L
Temperature (T) = 800°C = 800 + 273.15 K (converting to Kelvin)
Gas constant (R) = 0.0821 L·atm/(mol·K)
Substituting the values into the ideal gas law equation:
P * 9.56 L = (22.5 g / 100.09 g/mol) * (0.0821 L·atm/(mol·K)) * (800 + 273.15) K
Simplifying the equation:
P = [(22.5 / 100.09) * (0.0821) * (800 + 273.15)] / 9.56
P ≈ 17.4 atm
Therefore, the pressure of CO₂ in the container is approximately 17.4 atm.
c. To calculate the percentage of the original 22.5 g sample of CaCO₃ that remains undecomposed at equilibrium, we need to compare the moles of CaCO₃ decomposed to the initial moles of CaCO₃.
Moles of CaCO₃ decomposed = (22.5 g / 100.09 g/mol) - (22.5 g / 100.09 g/mol) * x
Where x is the extent of decomposition. At equilibrium, the reaction has reached a state where the rate of decomposition equals the rate of formation, and the extent of decomposition is constant.
Given that Kc = [CO₂] / [CaCO₃], and the stoichiometry of the reaction is 1:1 between CaCO₃ and CO₂, we can write:
Kc = [CO₂] / [CaCO₃] = x / (22.5 g / 100.09 g/mol)
Solving for x:
x = Kc * (22.5 g / 100.09 g/mol)
Substituting the value of Kc = 0.0146:
x = 0.0146 * (22.5 / 100.09)
x ≈ 0.00327
The moles of CaCO₃ decomposed is approximately (22.5 g / 100.09 g/mol) * 0.00327 mol = 0.00728 mol.
To calculate the percentage of CaCO₃ remaining:
Percentage remaining = (1 - (moles decomposed / initial moles)) * 100
= (1 - (0.00728 mol / (22.5 g / 100.09 g/mol))) * 100
Simplifying the equation:
Percentage remaining ≈ 99.97%
Therefore, approximately 99.97% of the original 22.5 g sample of CaCO₃ remains undecomposed at equilibrium.
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A sample of hydrogen gas H2 has a volume of 5.0 L and a pressure of 1.0 atm. What is the final pressure in atmospheres if the volume is decreased to 2 L with no change in temperature and amount of gas
Answer:
2.5 atm
Explanation:
P = Pressure
V = Volume
P1V1 = P2V2
1 x 5 = P2 x 2
5 = P2 x 2
Divide both sides by 2
5/2 = P2 x 2/2
P2 = 2.5
AgNO3 (aq) +
Cu(s) —
Cu(NO3)2 (aq) +
| Ag(s)
What is the integer?
Answer:
2
Explanation:
2AgNO3 + Cu -----> Cu(NO3)2. + 2Ag
PLEASE HELP!!! Explain how the periodic table tells you about the atomic structure of an element. (this is for my physical science class)
Answer:
The number of outer shell electrons determines the group number of the element. The number of occupied principle quantum shells (energy levels) determines the period of the element. The proton number determines the element itself and its position.
Explanation:
Briefly describe your strategies (the steps) for the following: 1. Drawing a Lewis structure 2. Identifying polar bonds and molecules 3. Determining the electronic (electron-domain) and molecular geometries Use most or all of the following terms in this written description: valence electrons, bond dipole, dipole moment, electronegativity, octet rule, expanded octet, lone paires, polar/non-polar molecules. You are NOT required to write the Purpose, Procedure, or Safety.
A polar molecule has a large difference in electronegativity between atoms in a bond. Lewis structure show the valence electrons around atoms in molecules as dots.
In drawing the Lewis structure of a molecule the very first step is to identify the symbol of each element in the molecule and the number of valence electrons in the outermost shell of the atoms of each element. Next is to assign bonds, formal charges or lone pairs to each atom in the molecule as the case may be.
To identify polar molecules, we need to know the electronegativity difference between the atoms that are bonded in the molecule as well as the magnitude of dipole moment in the molecule.
To determine the number of electron domains in a molecule, we need to count the total number of electron pairs around the valence shell of the central atom in the molecule this gives the electronic geometry of the molecule. The molecular geometry is obtained by counting the number of atoms bonded to the central atom in the molecule.
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Which would be true of a bar magnet?
Choose all that apply:
A. The magnet would be strongest at its two edges.
B. The bar has a uniform strength throughout.
C. The two ends of the magnet are called poles.
D. The two ends of the magnet are positively or negatively charged..
Answer:
C is a North Pole to South Pole
Explanation:
A magnet has two poles
A(n) ____________________ is one that contains two, and only two, elements.
Answer:
It is a Binary Compound
Explanation:
Answer:
[binary compound]
Explanation:
A(n) A binary compound is one that contains two, and only two, elements.
What is the number of ammonia molecules made when 6 grams of hydrogen gas reacts with excess nitrogen?
4 moles of ammonia molecules can be made when 6 grams of hydrogen gas reacts with excess nitrogen.
\(N_{2}\)(g) + 3\(H_{2}\)(g) → \(2NH_{3}\)(g)
1 mole of \(N_{2}\) reacts with 3 moles of \(H_{2}\)
Therefore, 6 moles of \(N_{2}\) will react with 18 moles of \(H_{2}\)
\(H_{2}\) + 6 no. of moles. ( Hydrogen is a limiting reagent).
No. of moles of ammonia are formed when 3 moles of \(H_{2}\) will react with excess of \(N_{2}\) = 2
No. of moles of ammonia are formed when 6 moles of \(H_{2}\) will react with excess of \(N_{2}\) = 2/3×6 = 4
Therefore, it is a gaseous equation (all the reactants as well as products are gases).
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Assignment Summary For this assignment, you will construct a scientific model of the water cycle to show how water is recycled through an ecosystem. Once you have drawn your model on a poster board, you will write one to two paragraphs explaining how water is transferred within and between organisms and the environment. Background Information Water is a very important compound. Organisms need water to carry out life-maintaining processes such as growth and development. Without water, living things will not survive. Water continually flows among the atmosphere, land, water, and living organisms. This process, called the water cycle, allows water to be recycled as it moves through Earth’s spheres. Materials Assignment Instructions Step 1: For this project, you are expected to submit the following: 1. Your model of the water cycle 2. One to two typewritten paragraphs describing the water cycle Step 2: Prepare for the project. a) Read through the guide before you begin so you know the expectations of this project. Pay particular attention to the instructions you need to follow to create a model on your poster board. b) If anything is not clear to you, be sure to ask your teacher. Step 3: Gather materials for the model. a) Start with a blank poster board. Be sure to put your name on it. b) You may either draw the parts of the water cycle or print images to construct a model on your poster board. Gather any drawing tools that you will need, or print any images you want to use. Step 4: Create a model of the water cycle. a) Your model should include bodies of water such as lakes and oceans, organisms, air, and land. b) Draw arrows indicating how water moves within an ecosystem and between organisms and their environment. Be sure to include the Sun and gravity in your model. c) Include short phrases on your poster that summarize what occurs at each stage of the water cycle. Large poster board Markers, crayons, or colored pencils Scissors Glue or tape Student Guide (continued) Step 5: Write a paragraph describing the water cycle. a) Type one to two paragraphs describing the full water cycle. Be sure to use full sentences and proper grammar.
Answer:
the water cycle is a system that goes through evaporation then the water goes into the clouds and rains down as preparation
Explanation:
thats the cycle but if I were u I would do more Reasearch
Which of these words best describes conditions on the moon?
A - dry
B- windy
C- hot
D- rocky
E- bumpy
the conditions on the moon are most likely bumpy
Calculate the average atomic mass of chromium, given the following percent abundances and isotope masses: 4.350 % 49.946 amu; 83.790% 51.941 amu; 9.500% 52.941 amu and 2.360% 53.939 amu
Asnwer: average atomic mass of chromium is 52amu
Calculations:
49.946amu: 4.350%= 0.0435
51.941amu: 83.790%= 0.8379
52.941amu: 9.500%= 0.095
53.939amu: 2.360%= 0.0236
Average atomic mass of chromium = 0.0435(49.946) + 0.8379(51.941) + 0.095(52.941) + 0.0236(53.939)
= 51.9963703amu
= 52 amu
which of the following does not conduct electricity easily
1. silver
2. plastic
3. copper
4. salt water
Answer:
NaCl (common salt) is solid in state and solid ions or compounds don't conduct electricity. It needs to be either melted, molten or dissolved in a solution (i.e. water) first.
Explanation:
Why is carbon dioxide a necessary part of the atmosphere.
Answer:
helps to trap heat in our atmosphere
The charge of electron cloud of Atom x equals to - 4x10to the power-18 C, write the atomic representation knowing that it has 30 neutrons.
Answer:
the most common oxidation no.of manganese is + 2 + 3 + 4 + 6 + 7
Explanation:
identify the following substance
Answer:
Mixture
Explanation:
Mixtures are a heterogeneous combination and do not form a new substance
Which atom is most likely involved in the coordination of calcium ions found in hrp?.
Answer:
oxygen
Explanation:
hope this helps
Balance the reaction.
CaO(s) + SO3(g) → CaSO4(s)
CaO(s) + SO3(g) → CaSO4(s)
Balanced equation:
CaO(s) + SO3 => CaSO4(s)
It is already balanced.
A balanced reaction obeys the law of conservation of mass. According to the law of conservation of mass, mass can neither be created nor be destroyed. The balanced reaction is CaO(s) + SO₃(g) → CaSO₄(s).
What is a balanced equation?A chemical equation in which number of atoms of reactants and products on both sides of the equation are equal is defined as the balanced chemical equation. The amount of reactants and products on both sides of the equation are equal.
The numbers which are used to balance the chemical equation are called the coefficients. The coefficients are added before the formula or chemical symbols. They are essential to balance a reaction.
Here the equation CaO(s) + SO₃(g) → CaSO₄(s), is already balanced. Since the number of 'Ca', 'O', and 'S' on both sides of the equation are equal. So it is a balanced one.
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Which spatial orientation will involve more than one bond angle value?Select the correct answer below:lineartrigonal planartrigonal bipyramidaloctahedral
The spatial orientation that involves more than one bond angle value is trigonal bipyramidal. This is because the trigonal bipyramidal geometry has five bonding positions, consisting of three equatorial positions and two axial positions.
The bond angles in the equatorial positions are 120°, while the bond angles in the axial positions are 90°. Therefore, in the trigonal bipyramidal geometry, there are two different bond angle values: 120° and 90°.
This orientation is commonly seen in molecules such as PF5, which has a trigonal bipyramidal geometry with the five fluorine atoms bonded to the central phosphorus atom.
Understanding the bond angles in different geometries is essential in predicting the reactivity and properties of molecules in chemistry.
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what is the name of s and p blocks on the periodic table??
Answer:
The s-block and p-block together are usually considered main-group elements, the d-block corresponds to the transition metals, and the f-block encompasses nearly all of the lanthanides (like lanthanum) and the actinides (like actinium).
Explanation:
what provides electrons for the light reactions? view available hint(s)for part e what provides electrons for the light reactions? h2o co2 the calvin cycle o2 light
H₂O provides electrons for the light reactions. Option A is the correct choice.
Generally, the initial stage is called the light reactions as they occur only in the presence of the light. Basically during these initial reactions, water is consumed and oxygen gas is released. The energy from sunlight usually gets converted into a small amount of ATP and an energy carrier called NADPH.
H₂O when splits into Hydrogen and Oxygen atoms provide electrons. These electrons undergo through complex reactions and allow the formation of Oxygen gas and Hydronium ion (H+) and energy which is useful for producing sugar molecules in plants. Hence, option A is correct.
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Which of the following is not a possible sublevel?
a. 1s
b. 2p
c. 3f
d. 4d
If a rock sample has a mass of 1. 17 g and a volume of 0. 33 cm3, what type of rock is it? If a rock sample has a mass of 2. 7 g and a volume of 1. 1 cm3, what type of rock is it? If a rock sample has a mass of 11. 2 g and a volume of 1. 9 cm3, what type of rock is it?.
The type of rock can be determined by comparing the density of the rock samples with known ranges for different rock types. For the given rock samples, the first rock is likely to be basalt, the second rock is likely to be granite, and the third rock is likely to be limestone.
Density is a physical property that can help identify different types of rocks. It is calculated by dividing the mass of an object by its volume. By comparing the density of a rock sample with known densities of various rock types, we can make an educated guess about the type of rock. For the first rock sample with a mass of 1.17 g and a volume of 0.33 cm3, the density is approximately 3.55 g/cm3. This falls within the range of densities for basalt, suggesting that the first rock is likely to be basalt.
For the second rock sample with a mass of 2.7 g and a volume of 1.1 cm3, the density is approximately 2.45 g/cm3. This falls within the range of densities for granite, indicating that the second rock is likely to be granite. For the third rock sample with a mass of 11.2 g and a volume of 1.9 cm3, the density is approximately 5.89 g/cm3. This falls within the range of densities for limestone, suggesting that the third rock is likely to be limestone. By comparing the density values of the rock samples to known density ranges for different rock types, we can make an estimation of the type of rock present in each sample.
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Find the independent variable and the dependent variable :)))
Answer:
dependent variable: plant growth
independent: sunlight impact/amount of light
Explanation:
Are the following chemical equations reversible or irreversible?
2H2O ←→ H3O+ + OH-
HA + H2O ←→ A- + H3O+
HA + H2O → A- + H3O+
MOH → M+ + OH-
The first two chemical equations are reversible while the other two are irreversible.
What are chemical equations?Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.
A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .
The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.
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For every 6 mols of H2 how many mols of h20 will be produced?
For every 2 mols of H2 how many mols of h20 will be produced?
For every 5.67 mols of H2 how many mols of h20 will be produced?
The moles would be 12 moles, 4 moles and 11.34 moles
How to solve for the molesWhen hydrogen gas (H2) reacts with oxygen gas (O2) to produce water (H2O), the balanced chemical equation is:
2H2 + O2 -> 2H2O
So,
For every 6 moles of H2, 12 moles of H2O will be produced
For every 2 moles of H2, 4 moles of H2O will be produced
For every 5.67 moles of H2, 11.34 moles of H2O will be produced.
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