Cual es la formula de 4-etil-5-propil-3,4,7-trimetildecano
Answers
The chemical formula of 4- ethyl is C19H40. This patch is composed of an ethyl group( C2H5) attached to the fourth carbon snippet( counting from one end) of a direct carbon chain.
It also has a propyl group( C3H7) attached to the fifth carbon snippet of the same chain. The chain itself has 12 carbon tittles and three methyl groups(- CH3) attached to the 3rd, 4th, and 7th carbon tittles. thus, the complete name of the emulsion is 4- ethyl, where" dodecane" refers to the 12- carbon chain.
This patch belongs to the class of alkanes, which are hydrocarbons that only contain single bonds between carbon tittles. The presence of the ethyl and propyl groups creates branching in the carbon chain, which can affect its physical and chemical parcels compared to a direct alkane with the same number of carbon tittles. The three methyl groups contribute to the patch's overall shape and may also affect its reactivity.
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The question in english language is as follows:
What is the formula of 4-ethyl-5-propyl-3,4,7-trimethyldecane?
Related Questions
Define kinetic energy. A) energy associated with the temperature of an object B) energy associated with the motion of an object C) energy associated with the force of an object D) energy associated with the gravity of an object E) energy associated with the position or composition of an object 2) Determine the density of an object that has a mass of 1498 g and displaces 12.1 mL of water when placed in a graduated cylinder. A) 8.08 g/mL B) 1.38 g/mL C) 12.4 g/mL D) 18.1 g/mL E) 11.4 g/mL 3) How many significant figures are in the measurement, 20.300 m?! A)3 B) 4 C) 5 D) 1 E)2 4) What does "X" represent in the following symbol? 80 358 A) mercury B) chlorine C) scandium D) bromine E) selenium 5) Write the formula for copper (II) sulfate pentahydrate. A) Cu2SO3 H5 B) Cu2S'H20 C) CuS 5H20 D) (CuSO4)5 E) CuSO4'5H20
Answers
1. B, the energy associated with the motion of an object
2. C, 12.4 g/mL
3. C, 5
1) B) Kinetic energy is energy associated with the motion of an object.
2) B) Density equals mass divided by volume: 1.38 g/mL
3) C) There are 5 significant figures in 20.300
4) A) 80 is the atomic number for mercury on the periodic table.
5) E) The formula for copper (II) sulfate pentahydrate is CuSO4•5H2O
So in summary:
• Kinetic energy is the energy of a moving object due to its motion.
• Density is calculated by dividing an object's mass by its volume.
• Significant figures refer to the known precision of a measurement based on the digits reported.
• Atomic symbols represent elements on the periodic table.
• Chemical formulas use symbols of the elements to show the proportions of atoms in a compound.
one out of blank polar bear cubs due the first year
Answers
Answer:
that the polar bear will come out again in 2 years
In which group of teh modern periodic table are there very reactive metals and very reactive non metals?
Answers
Metals :-
Group 1A - Alkali metals ( highly reactive metals)
Non-metals :-
Group 17 - Halogens ( highly reactive non-metals )
what is the binding energy in kj/mol sb for antimony-121? kj/mol 51 70 the required masses (g/mol) are:= 1.00783 ;= 1.00867 ;= 120.90380
Answers
The binding energy of a nucleus refers to the minimum energy required to separate the nucleus into its constituent nucleons. The binding energy per nucleon (BE/A) is a more useful quantity than the absolute binding energy (BE) since it takes into account the number of nucleons present.
The more tightly bound a nucleus is, the higher its binding energy per nucleon. The equation that determines the binding energy is given by the formula, E=Δmc² where E is the binding energy, Δm is the mass defect, and c is the speed of light. The mass defect is the difference between the actual mass of a nucleus and the sum of the masses of its individual protons and neutrons. The mass of antimony-121 is the sum of the masses of its constituent nucleons, given by: Mass of antimony-121 = (71 x 1.00783 u) + (50 x 1.00867 u) = 120.90380 u The actual mass of antimony-121 is 120.90380 u. Using the mass of each nucleon and the actual mass of antimony-121, the mass defect of the nucleus can be determined as follows: Mass defect (Δm) = [71(1.00783 u) + 50(1.00867 u)] - 120.90380 u= 0.1471 u The binding energy can then be calculated using the formula: E = Δmc²= (0.1471 u)(1.66054 x 10^-27 kg/u)(2.99792 x 10^8 m/s)^2= 2.539 x 10^-10 J/mol To convert this to kilojoules per mole, we can divide by 1000:2.539 x 10^-10 J/mol = 2.539 x 10^-13 kJ/mol Therefore, the binding energy of antimony-121 is 2.539 x 10^-13 kJ/mol.
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The cultures of prehistoric humans are known mostly through the excavation of stone tools and other relatively imperishable artifacts. The early tool making traditions are often referred to as being paleolithic (literally "Old Stone Age). The Oldowan and Acheulian tool traditions of the first humans were the simplest applied research basic research Scientihe thought O philosophies technologies
Answers
The cultures of prehistoric humans are primarily known through the excavation of stone tools and other durable artifacts, such as the Oldowan and Acheulian tool traditions.
Stone tools and imperishable artifacts serve as key archaeological evidence for understanding prehistoric cultures. Through meticulous excavation and analysis, archaeologists have been able to piece together the lifestyles, technological advancements, and social behaviors of early human societies. The term "paleolithic" refers to the Old Stone Age, a time when humans relied on stone tools as their primary implements.
The Oldowan tool tradition is considered the earliest stone tool industry, dating back around 2.6 million years ago. It is characterized by simple tools, such as choppers and scrapers, which were crafted by flaking off pieces from larger stones. These tools were primarily used for basic activities like butchering and processing animal carcasses.
Later, the Acheulian tool tradition emerged around 1.76 million years ago, representing an advancement in stone tool technology. Acheulian tools, such as handaxes and cleavers, were more refined and standardized, showcasing an increased level of sophistication in tool-making techniques. These tools served a wide range of purposes, including hunting, woodworking, and shaping raw materials.
By studying the Oldowan and Acheulian tool traditions, researchers gain valuable insights into the cognitive abilities, cultural development, and technological progress of early humans. The examination of these artifacts provides evidence of their adaptability, problem-solving skills, and the gradual refinement of their tool-making techniques over time.
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In the number 300 point there are three significant digits
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The number of significant digits in the number 300 is three significant digits.
What are significant digits?In positional notation, significant figures or significant digits are the digits in a number that is trustworthy and required to denote the amount of something.
There are rules regarding significant digits and they are as follows:
The significance of all non-zero digits is constant.Interior zeros (zeroes in the middle of non-zero numbers) are significant300 (3 sig. figs.) 0.03403 (4 sig. figs.), and 00674 (6 sig. figs.)Leading zeros (zeroes at the start of a number) are not significant.Learn more about significant figures at: https://brainly.com/question/24630099
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State two substances that can be used as a filter in water treatment.
Answers
Answer:
1. pure chlorine
2.chloramine
Explanation:
Calculate the molarity of a solution which has 0.250 moles of sodium chloride, NaCl, dissolved in enough water to create 2.00 L of solution
Answers
The sodium chloride solution has a molarity of 0.125 M.
If 0.150 moles of NaCl are dissolved in 250.0 mL of solution, what is the concentration of the resulting NaCl solution?That is a mole, regardless of the call. We may then get the molarity of this solution by dividing the mole sub-solute, in this case 0.150 moles of solute, by the litter of solution, or 0.250 litre, and we have 0.6 moles per litre. It is 0.6 molar. Hence, this solution has a molar concentration of 0.6.
The molarity can be determined as follows:
Molarity = moles of solute/liters of solution
Molarity = 0.250 moles / 2.00 L
Molarity = 0.125 M
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How can an invasive species like weeds affect crops on a farm?
A) It competes with the crops on that farm for resources.
B) It can turn productive land into unusable land.
C) It overtakes the crop population of that farm.
D) lț can serve as habitat for pests.
E) All of the above
Answers
Answer:
E
Explanation:
All of the above
explain your observations in terms of lechatelier's principle. how come we have to use 12 m hcl here? how would the equilibrium shift if we used 1 m hcl instead?
Answers
The Le Chatelier principle explains how an equilibrium changes when its conditions change. For variations in concentrations, temperature, or pressure, the shift's direction can be predicted. Although catalysts speed up the process of reactions reaching equilibrium, they do not change the location of an equilibrium.
The equilibrium will change to create more products if the concentration of the reactants (quantity of reactants) rises (product-favored). The reaction will change to produce additional reactants as the number of products rises (reactant-favored). Reactants benefit from a decrease in reactants. Products benefit from decreasing product. A system may gain temperature from the environment or as a result of a chemical interaction. The equilibrium moves to the right as the temperature drops (products). In other words, the system favors the reaction that produces heat to make up for the drop in temperature.
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an oxidation reaction often occurs without a corresponding reduction reaction. true or false
Answers
The following statement “an oxidation reaction often occurs without a corresponding reduction reaction.” is False.
An oxidation reaction and a reduction reaction are always coupled together and occur simultaneously. This is known as a redox (reduction-oxidation) reaction. In a redox reaction, one species undergoes oxidation (loses electrons) while another species undergoes reduction (gains electrons). The transfer of electrons from the oxidized species to the reduced species ensures that the total number of electrons remains conserved.
For example, consider the reaction:
2Na + Cl₂ → 2NaCl
In this reaction, sodium (Na) loses an electron and is oxidized to Na⁺, while chlorine (Cl₂) gains an electron and is reduced to 2Cl⁻. The oxidation of sodium is always accompanied by the reduction of chlorine, and vice versa. The transfer of electrons allows for charge balance between the reacting species.
It is important to note that oxidation and reduction are complementary processes that occur together. One species cannot be oxidized without another species simultaneously undergoing reduction in a redox reaction.
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A student was testing an unknown element to see if it was a metal or non metal. The element was solid, dull in appearance, very brittle , and conducted electricity. What was this unknown element?
Answers
Answer:
The element was one of the alkaline metals, the dull appearance comes from the metal reacting with oxygen and oxidizing its outer surface as alkaline are known for their enormous reaction with oxygen in the air and water.
Another ability of this group of elements is the ability to conduct electricity. And they are also easy to cut with a kitchen knife.
How many atoms of phosphorus are in 7.30 mol of copper (II) phosphate?
Answers
There are 8.78 x 1024 atoms of phosphorus in 7.30 mol of copper (II) phosphate.
The given compound is copper (II) phosphate, which has the molecular formula Cu₃(PO₄)₂.
To determine the number of phosphorus atoms present in 7.30 mol of the compound, we need to use Avogadro's number (6.022 x 1023) and the stoichiometric coefficients of the atoms in the compound.
Let's first find the molar mass of copper (II) phosphate.
Cu₃(PO4)2 = 3Cu + 2PO₄
Cu = 63.55 g/mol
PO₄ = 94.97 g/mol
Total molar mass
= 3(63.55) + 2(94.97)
= 380.7 g/mol
Now we can find the number of moles of copper (II) phosphate in 7.30 mol.
Moles of Cu₃(PO₄)₂ = mass/molar mass
= 7.30 mol x 380.7 g/mol
= 2778.81 g
Next, we can find the number of formula units of Cu₃(PO₄)₂ that corresponds to 7.30 mol.
N = (moles of Cu₃(PO₄)₂) x Avogadro's number
= 7.30 mol x 6.022 x 1023
= 4.39 x 1024 formula units
Finally, we can find the number of phosphorus atoms in 4.39 x 1024 formula units of Cu₃(PO₄)₂.
Number of phosphorus atoms
= 4.39 x 1024 x 2 x 1
= 8.78 x 1024 atoms (since each formula unit contains 2 phosphorus atoms)
Therefore, there are 8.78 x 1024 atoms of phosphorus in 7.30 mol of copper (II) phosphate.
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Write a balanced half-reaction for the oxidation of solid manganese dioxide to permanganate ion in basic aqueous solution. Be sure to add physical state symbols where appropriate.
Answers
Answer:
8 OH⁻(aq) + Mn(s) ⇒ MnO₄⁻(aq) + 4 H₂O(l) + 7 e⁻
Explanation:
Let's consider the following oxidation half-reaction that takes place in basic aqueous solution.
Mn(s) ⇒ MnO₄⁻(aq)
First, we will perform the mass balance. We will add 4 H₂O to the products side and 8 OH⁻ to the reactants side.
8 OH⁻(aq) + Mn(s) ⇒ MnO₄⁻(aq) + 4 H₂O(l)
Finally, we will perform the charge balance by adding 7 electrons to the products side.
8 OH⁻(aq) + Mn(s) ⇒ MnO₄⁻(aq) + 4 H₂O(l) + 7 e⁻
A cook is trying to identify a white powdery substance. The substance does not
dissolve in water, but it forms a solution in oil. Could the substance be table salt?
Why or why not?
Answers
it is not table salt
Explanation:
Table salt dissolves in water.
What is the density of a 234 g sample with a volume of 22 mL?
Answers
Answer: 10.63
Explanation: You divide the mass by volume.
Answer:
10.64g/cm³
Explanation:
1cm³ = 1ml
22 × 1cm³ = 22cm³
Density = Mass ÷ Volume
234 ÷ 22
Density = 10.64g/cm³ or 10640kg/m³
What makes metals, in particular, good conductors of electricity?
A.
the ability of electrons to flow throughout the metal
B.
the absence of charged particles
C.
the high temperatures required to break metallic bonds
D.
the presence of positive and negative ions
Answers
Answer:
the answer is A(the ability of electrons to flow through out the metal)
How does ocean currents affect climate i need it in 8 sentences.
Answers
In contrast to low-level radioactive waste, most high-level radioactive waste is currently: ___________
Answers
In contrast to low-level radioactive waste, most high-level radioactive waste is currently stored temporarily on-site at nuclear power plants, or at specialized facilities.
High-level radioactive waste, a byproduct of both the nuclear power industry and nuclear weapons production, represents a daunting challenge in terms of public safety and environmental protection due to its highly radioactive nature and long half-life.
Unlike low-level radioactive waste which can be managed through more traditional means, the handling of high-level waste necessitates a temporary storage solution.
Currently located on-site at nuclear power plants or at specially designed facilities, until a permanent disposal solution can be developed and executed.
This tempestuous issue demands a delicate balance between safety, environmental preservation, and public opinion, as the ultimate aim is to secure a permanent disposal methodology that guarantees the safe containment and isolation of hazardous waste for eons to come.
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a boiling pot of soup with a lid on it to keep in the energy is what type of system?
Answers
Answer:
Closed system. :)
Explanation:
When the lid on the pot of soup is closed, it means matter can no longer escape, which in turn, makes it a closed system. I hope this helps, please let me know if you have any further questions
which vial, left or right, contains a liquid in which its adhesive forces exceed its coheisve forces
Answers
a liquid whose adhesive forces are stronger than its cohesive forces in the left. Bulk (or macroscopic) characteristics are connected to cohesive and adhesive forces.
Therefore, when discussing atomic and molecular qualities, the phrases are not appropriate. Both cohesive and adhesive forces act on a liquid when it comes into touch with a surface (such the tabletop or the walls of a graduated cylinder). The form that the liquid assumes is controlled by these forces. Wetting is the process of a liquid on a surface spreading out to create a thin, essentially homogeneous film across the surface due to the effects of adhesive forces.As an alternative, the liquid can separate into a number of tiny, approximately spherical beads that stand on the surface and make minimal contact with it when strong cohesive forces are present. Also known as "adhesive forces," they include mechanical forces (which cause objects to adhere together) and electrostatic forces (attraction due to opposing charges). Also known as "adhesive forces," they include mechanical forces (which cause objects to adhere together) and electrostatic forces (attraction due to opposing charges)
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9 x 10^3 + 2.3 x 10^4
Answers
Answer:
9 x 10^3 + 2.3 x 10^4
Scientific notation
3.2·10^4
Expanded form
32000
how wide does this grating need to be to allow you to resolve the two lines 589.00 and 589.59 nanometers, which are a well known pair of lines for sodium, in the second order ( m
Answers
A. n = 105 lines/mm = 105000 lines/m
d*sin θ = m*λ
(1/105000) * sin θ = 1*498*10^-9 ⇒ θ = 3.0 degree
Also (1/105000) * sin θ = 1*569*10^-9 ⇒ θ = 3.43 degree
Δθ = 3.43° – 3.0°
Δθ = 0.43°
b) Chromatic Resolving power, R = λ / Δλ
λ / Δλ = m (width) n
589 /0.59 = 2 (width) (105000)
Width = 4.75 mm
Diffraction gratings can split beams of different wavelengths into a spectrum of related lines through the principle of diffraction. In certain directions, only waves of certain wavelengths have obtained the rest are destroyed by their respective interference. other.
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What happens to the copper sulphate crystals when they are heated that causes them to change color?
Answers
Answer:
Heating the CuSO4. 5H2O crystals causes then to loose the water of crystallisation that is the 5H2O part. It becomes anhydrous copper sulphate. Its colour changes to white from blue.
Which pair of diseases could both be treated effectively with antibiotics
A. athletes foot and flu
B. cholera and salmonella
C. flu and scurvy
D. malaria and rickets
Imma mark the correct answer brainliest
Answers
Answer:
cholera and salmonella
Explanation:
i believe so
Write definitions for solid and fluid that
include the ability of some solids to flow.
Answers
The definitions for solid and fluids that include the ability of some solids to flow are:
Solids are substances whose molecules are tightly bound by strong forces of attraction, except for granular solids which have some abilities to flow because of a comparatively weaker force of attraction.
Fluids are substances whose molecules have weak forces of attraction. Hence the abilities of fluids to flow
Solids are substances whose molecules are tightly bound together. Molecules of solids have low Kinetic Energy. Since the molecules are tightly packed, solids have definite shape and volume. However granular solids have lesser force of attraction than other solids, and their molecules have slightly higher Kinetic Energy, hence their ability to flow.
Liquids are substances whose molecules have forces of attraction that are weaker than that if solids. This means that they are more loosely bound than the molecules of solids. Liquids have definite volume but not definite shape. Liquids flow from higher to Lower level.
Molecules of gases are bound by very weak forces of attraction. Hence they have no definite shape and volume. They have a random and haphazard movement.
Therefore, the definitions for solid and fluids that include the ability of some solids to flow are:
Solids are substances whose molecules are tightly bound by strong forces of attraction, except for granular solids which have some abilities to flow because of a comparatively weaker force of attraction.
Fluids are substances whose molecules have weak forces of attraction. Hence the abilities of fluids to flow
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If the empirical formula for a compound is NO2 and the molecular mass is 230.05 g/mol, what is the molecular formula for the compound? fast
Answers
Answer: \(\text{N}_{5}\text{O}_{10}\)
Explanation:
The atomic mass of nitrogen is 14.0067 g/mol.The atomic mass of oxygen is 15.9994 g/mol.This means the molecular mass of nitrogen dioxide is \(14.0067+2(15.9994)=46.0055\) g/mol.
Dividing this molecular mass of the compound we need to find, we get that
\(\frac{230.05}{46.0055} \approx 5\).
So, the final answer is \(\boxed{\text{N}_{5}\text{O}_{10}}\)
Where is the potential energy to run the plant?
A 3
B
4
С
1
D
2
Answers
Answer: C
Explanation:
your well wisher
Define the following terms correctly.
1. Reactants-
2. Products-
3. Anion-
4. Cation-
5. Exothermic Reaction-
6. Endothermic Reaction-
Answers
1) The substances present before the reaction has occurred.
2) The substances formed after the reaction has occurred.
3) A negatively charged ion, typically non-metal, that gains electrons to become stable.
4) A positively charged ion, typically metal, that losses electrons to become stable.
5) A chemical reaction in which the reactants absorb heat energy from the surroundings to form products.
6) A chemical reaction in which the reactants release heat energy into the surroundings to form products.
Look at the image shown.
What does this image represent?
• Linear molecule with one domain
• Linear molecule with two domains
© Tetrahedral molecule with four domains
O Trigonal planar molecule with three domains
Answers
Answer:b) Linear molecule with two domains
Explanation:
Answer:
Linear molecule with two domains
Explanation:
A molecule with two domains will have a total of one bonded atom and one lone pair on the central atom, or two bonded atoms and zero lone pairs on the central atom.