The balanced form of the equation is C2H6 + O2 → CO2 + H2O.
C2H6 is the chemical formula for ethane, a hydrocarbon compound composed of two carbon atoms and six hydrogen atoms. It is a colorless, odorless gas that is used primarily as a feedstock in the production of other chemicals, such as ethylene and ethanol. It can also be found in natural gas and crude oil, and is a byproduct of the breakdown of organic matter.The following equation must be balanced for the combustion of ethane (C2H6):O2 + C2H6 = CO2 + H2O.Each element has an equal amount of atoms on both sides of the equation. As it stands, the equation is already in balance.
To know more about C2H6 please refer:
https://brainly.com/question/16543530
#SPJ4
calculate the minimum pressure that would have to be applied at 298 k 298 k to purify seawater by reverse osmosis. express your answer in atmospheres but do not include units as part of your answer.
The minimum pressure required to purify seawater by reverse osmosis at a temperature of 298 K is approximately 2.5 atmospheres.
This is because reverse osmosis is a process that uses pressure to force water through a semi-permeable membrane, which allows pure water to pass through while trapping impurities on the other side. The higher the pressure, the more efficient the process. However, it is important to note that there is a trade-off between pressure and energy consumption, so the goal is to find the minimum pressure that will still effectively purify the water.
Therefore, 2.5 atmospheres is the minimal pressure that can be applied to purify seawater.
Read more about Reverse osmosis:
https://brainly.com/question/17569731
#SPJ4
How many atoms of carbon are in CH4?
On observing the structure of CH4 we can say that there is one carbon atom in CH4 (methane).
Methane is a chemical that has the molecular formula CH4. The most basic alkane and the major component of natural gas, which is also used as fuel, is a group-14 hydride. Methane has one carbon atom and four hydrogen atoms bonded to the carbon center in a tetrahedral arrangement, making up a single isolated molecule with the formula CH4. The simplest alkane without a doubt, methane is one of the most basic organic molecules. Four additional atoms or molecules must be bonded to the carbon atom because of its quadro-valency. Thus, the basic alkane methane has 4 hydrogen atoms bonded to 1 carbon atom per molecule.
Learn more abou CH4 here:
https://brainly.com/question/28933327
#SPJ4
How much energy is released when 1 mol of CH4 is burned in air?
The amount of the energy is released when the 1 mole of the methane CH₄ is the burned in the air is 890 kJ /mol.
The combustion reaction is given as :
CH₄ + 2O₂ ----> CO₂ + H₂O
The mole of the methane , CH₄ = 1 mole
The molar mass of the methane , CH₄ = 16 g/mol
The amount of the energy is released when the 1 mole of the methane CH₄, is completely burned is the 890 kJ/mol. Th energy is released to the surroundings.
When the methane gas is combusted , the heat is released and the the reaction is exothermic reaction.
To learn more about energy here
https://brainly.com/question/16720986
#SPJ4
What is the difference between oxidation and reduction reaction support this answer with examples?
The process through which a reactant loses electrons during a chemical reaction is known as oxidation. Reduction refers to the process through which a reactant acquires electrons during a reaction.
Such a thing typically happens if an acid reacts with a metal. Oxidation describes the process through which a reactant loses electrons during a chemical reaction.
Adding oxygen or any electronegative element, or taking away hydrogen or any electropositive one, is what is meant by the term "oxidation" in Classical and earlier concepts. Adding hydrogen or another electropositive element, or getting rid of oxygen or another electronegative one, is what reduction is all about, according to the classical or older idea.
An example of oxidation is C + O₂→ CO₂
An example of reduction is N₂ + 3H₂ → 2NH3
Want to know more about oxidation and reduction reactions visit the link which is given below;
https://brainly.com/question/19528268
#SPJ4
when molten material freezes so quickly that the atoms do not have sufficient time to produce an orderly arrangement, the resulting material is what
When molten material freezes quickly, the atoms do not have sufficient time to arrange themselves in an orderly crystal structure, and the resulting material is called an amorphous solid, also known as a non-crystalline solid.
Unlike crystalline solids, which have a repeating, ordered structure, amorphous solids do not have long-range order and have a disordered atomic structure. They can be found in a wide range of materials, such as glass, plastic, and some ceramics. Some examples of amorphous solids include window glass, which is formed by rapidly cooling molten silica, and some types of plastic, which are formed by rapidly cooling molten polymer. These materials have unique properties compared to crystalline solids, such as lower thermal conductivity, higher resistance to impact and compression, and a lack of cleavage planes, which makes them more difficult to break.
Learn more about molten material here: brainly.com/question/7849615
#SPJ4
What is the product of P4 and O2?
When P4 and O2 react, they produce P2O5. Diphosphorous pentoxide is created by phosphorus and oxygen gas.
We have a combination reaction for this reaction, which is the kind of chemical reaction.
Balanced Approaches: If you can achieve an even amount of oxygen atoms on the reactants side of the equation, this combination reaction is much simpler to balance.
To do this, multiply P2O5 (diphosphorous pentoxide) by two.
The equal number of each type of atom should be present on both sides of the equation when balancing chemical equations.
Change only the coefficients (these are the numbers in front substances).
Do not alter the subscripts (the small numbers after elements).
P4 + 5O2 = 2P2O5
Learn more about Oxygen here:
https://brainly.com/question/13370320
#SPJ4
how does polymerase chain reaction relate to dna fingerprinting
Polymerase Chain Reaction (PCR) is a technique used to amplify specific regions of DNA that is used as a step in the process of DNA fingerprinting to identify an individual.
PCR is a laboratory technique that allows scientists to make many copies of a specific region of DNA. This is done by heating and cooling the DNA in a process that causes the DNA polymerase enzyme to replicate the specific region. PCR is useful because it allows scientists to amplify even small amounts of DNA, making it possible to analyze samples that would otherwise be too small to work with.
In the case of DNA fingerprinting, PCR is used to amplify the specific regions of DNA that are being analyzed for identification. This is important because the samples of DNA used for fingerprinting are often small, such as hair or skin samples, and would not be enough to analyze without amplification. PCR is a powerful tool that enables DNA fingerprinting to be more accurate and reliable.
To learn more about Polymerase Chain Reaction visit: https://brainly.com/question/11417541
#SPJ4
How many mole is carbon?
Basically a Carbon having Atomic mass of 12g is known to have 1 Mole.
What do you understand by Carbon?Chemical element carbon has the atomic number six and the letter C assigned to it as its Symbol. It has a tetravalent atom, which means that four of its electrons can be used to create covalent chemical bonds. It is nonmetallic. The carbon is included in the Periodic Table's group 14. The Earth's crust contains 0.025 percent carbon.
Carbon has Following Specifications:
Atomic weight: 612.011 u Atomic mass, 2, 4 electrons per shell[He] 2s22p2 electron configuration3,550 °C is the melting point.to know more about Carbon visit:
https://brainly.com/question/22530423
#SPJ4
Examine your graph. Find atomic numbers #1, 3, 11, and 19 that correspond to the elements in Group 1. What happens to electronegativity as you move down the group 1 elements?
Hydrogen (H), Lithium (Li), Sodium (Na), Potassium (K) (the atomic numbers mentioned)
The electronegativity decreases as you move down the group 1 elements.
What do you mean by electronegativity?
Electronegativity basically is a measure of an atom's ability to attract electrons when it is part of a chemical bond. It is the tendency of an atom to attract the electrons in a chemical bond towards itself. Electronegativity is related to a number of different other physical and chemical properties, including acidity, reactivity, and also bond strength.
The element hydrogen has an electronegativity of 2.2, lithium has an electronegativity of 0.98, sodium has an electronegativity of 0.93, and potassium has an electronegativity of 0.82 respectively.
To know more about electronegativity,
https://brainly.com/question/1163776
#SPJ1
Calculate the relative formula mass 12kg of aluminium oxide
The relative formula mass of 12 kg of aluminum oxide would be101.93 amu.
What is the relative formula mass?The relative formula mass of a compound is the sum of the relative atomic masses of the atoms that make up the compound.
Aluminum oxide goes by the chemical formula, [tex]Al_2O_3[/tex]. In other words, there are 2 atoms of aluminum and 3 atoms of oxygen.
The relative atomic mass of aluminum is 26.98
The relative atomic mass of oxygen is 15.99
Thus, the relative formula mass of aluminum oxide would be:
= (26.98x2) + (15.99x3)
= 101.93 amu
In other words, the relative formula mass of 12 kg of aluminum oxide would be 101.93 amu.
More on relative formula mass can be found here: https://brainly.com/question/22469703
#SPJ1
uv-vis spectroscopy is used to measure the concentration of molecules in a dilute solution. it relies on the ability of certain molecules to absorb light. the part of a molecule that can absorb uv-vis light is called a
UV-visible spectroscopy used to measure the concentration of the molecules in a dilute solution. The part of the molecule that can absorb uv-visible light is called as chromophores.
UV-visible spectroscopy used to measure the concentration of the molecules in a dilute solution. The part of the molecule that can absorb uv-visible light is called as chromophores. The absorption of the UV - visible radiation in the organic molecules is restricted for some molecules that contains the valence electrons of low energy.
The chromophore is the region in the molecule in which the difference in the energy between the two molecular orbitals comes in the range of the visible spectrum.
To learn more about spectroscopy here
https://brainly.com/question/29461520
#SPJ4
Predict the product(s) of this reaction: (Don't worry about balancing)
Cu + Cl2
Explanation:
cu+cl2........Cucl2
this is answer also balanced
What contribution did j.j. thomson make to the development of atomic theory?
J.J. Thomson established the plum pudding model of an atom and discovered the electron as a result of his cathode ray tube research.
The electric discharge of a cathode ray tube was extensively researched by scientists. The crucial part was Thomson's interpretation. He interpreted the rays' deflection by the charged plates and magnets as proof of "things far smaller than atoms." Thomson determined that these bodies had a high charge-to-mass ratio and calculated the charge's actual value.
A concept of the atom as a sphere of positively charged matter with electrons positioned according to electrostatic forces was put forth by Thomson in 1904 which is now known as the plum pudding model. He not only found the electron but also concluded that it was a crucial component of an atom.
To learn more about J.J. Thomson try:
https://brainly.com/question/18621643
#SPJ4
When a solution vaporizes, what is the sign of δg?
When a solution vaporizes, the sign of δg is zero.
What is Delta G at vaporization?The energy needed for vaporization offsets the raise in disorder of the system. So, δg = 0, and the liquid and vapor are in equilibrium, as is correct of any liquid at its boiling point under standard conditions.
The sign of δg shows the direction of a chemical reaction and determine if a reaction is spontaneous or not. δg = 0 means the system is at equilibrium and there is no net change both in forward and reverse direction.
δg is negative at temperatures greater than 373.15 K, and water evaporates spontaneously and irreversibly. And δg is positive at below 373.15 K, and water does not evaporate spontaneously.
Learn more about vaporization at: https://brainly.com/question/8605699
#SPJ4
This formula equation is unbalanced.
Pb(NO3)2(aq) + Li₂SO4(aq) → PbSO4(s) + LINO3(aq)
Which coefficient should appear in front of LINO3 in the balanced equation?
1
2
3
4
The coefficient 2 should appear in front of LINO3 in the balanced equation.
What is a coefficient?
A coefficient is a number that is placed in front of a chemical formula to indicate the ratio of molecules or atoms in a compound. For example, in the equation 2H2 + O2 → 2H2O, the coefficient 2 in front of the H2 indicates that two molecules of hydrogen are needed to combine with one molecule of oxygen to form two molecules of water.
There are two Li and two NO3 on the left side of the equation. To balance the equation on the right, we should add a coefficient 2 to get 2Li (NO3)
Pb(NO3)2(aq) + Li2SO4(aq)--> PbSO4(s) + 2LiNO3(aq).
Hence, option B is correct.
To know more about coefficient,
https://brainly.com/question/14212176
#SPJ1
some oil tankers can carry as much as 4.00 million barrels of oil. if an accident occurred and one of these tankers emptied all of their oil into the ocean, what area would the resulting slick cover, if we assume the slick is one molecule thick? assume a molecule of oil is a cube that measures 50.0 micrometers across and a barrel of oil contains approximately 160.0 liters.
The area would the resulting slick cover, if we assume the slick is one molecule thick is 1.28 × 10¹⁰ m²
The area that would the resulting slick cover can be calculate as follows:
volume = 4 million barrels
thickness = 50 micrometers 50 x10⁻⁶ m
barrel of oil = 160 liters
First, we determine the amount of oil here expressed as
volume of oil = 4 million × 160 liters
volume of oil = 4 × 10⁶ x 160 x10⁻³ m³
volume of oil = 64 × 10⁴ m³
so area of slick will be
area of slick = volume of thickness/ thickness
area of slick = 64 × 10⁴ m³/ 50 x10⁻⁶ m
area of slick = 1.28 × 10¹⁰ m²
learn more about molecule thick at https://brainly.com/question/14553021
#SPJ4
if you needed to produce 10.7 moles of water, how many grams of glucose would be needed?
If you needed to produce 10.7 moles of water, 1927.7 g of glucose, C6H12O6 is needed for the preparation of the solution.
What is mole ?The term mole is defined as one mole of any substance is exactly equal to its atomic mass or molecular mass. It is expressed in grams. The symbol of mole is represented by mol.
1 mole = 6.023 X 10²³
Molar mass of C6H12O6 = 180.16 g/mol
Mole of C6H12O6 = 10.7 mole
Mass of C6H12O6 =.?
Mole = mass / molar mass
10.7 = mass of C6H12O6 / 180.16
Now, Cross multiply
Mass of C6H12O6 = 10.7 × 180.16
Mass of C6H12O6 = 1927.7 g
Thus, 1927.7 g of glucose, C6H12O6 is needed for the preparation of the solution.
To learn more about the mole, follow the link;
https://brainly.com/question/26416088
#SPJ1
dont have a question
Why is mineral an inorganic substance?
The mineral is an inorganic substance because it is not produced by living organisms and does not contain carbon-hydrogen bonds.
Key points:
Inorganic substances are not produced by living organisms, whereas organic substances are.Minerals do not contain carbon-hydrogen bonds, which are a defining characteristic of organic compounds.Minerals are typically formed through geological processes, such as crystallization from a liquid or solid state, precipitation from mineral-rich water, or the precipitation of minerals from aqueous solutions.Minerals can also be formed by inorganic chemical reactions like precipitation from mineral-rich water.While some organic compounds may be found in rocks and minerals, minerals are not considered organic compounds because they are not produced by living organisms, and do not contain carbon-hydrogen bonds.Learn more about minerals here:
https://brainly.com/question/89259
#SPJ4
What will happen to a red blood cell placed in a solution of 90 water and 10 salt.
Answer:
Explanation:
A red blood cell placed in a solution of 90% water and 10% salt will experience osmosis. Osmosis is the diffusion of water across a semi-permeable membrane from an area of high water concentration to an area of low water concentration. The red blood cell's membrane is semi-permeable, which means that it allows small molecules like water to pass through, but not larger molecules like salt.
In this scenario, the red blood cell is placed in a solution that has a lower water concentration than the cell's internal environment. Therefore, water will move from inside the cell to the outside of the cell through the semi-permeable membrane, in an attempt to balance the concentration of water on both sides of the membrane.
As a result, the red blood cell will swell and eventually burst if the concentration difference is too high. This process is called hemolysis.
It's important to note that this is an oversimplified representation of a real-world scenario, as the red blood cells are not only affected by osmosis, but also by other factors such as the pH of the solution, the presence of other dissolved substances, and the mechanical forces acting on the cells.
which reactants will not generate a gaseous product? select all that apply 1. naoh nh4cl 2. na2co3 cacl2 3. na h2o 4. caco3 hcl
All four reactions are all aqueous reactions and none of them have any gaseous product.
Naoh + NH₄Cl -> NaCl + H₂O
Na₂Co₃ + CaCl₂ -> 2NaCl + CO₂
Na + H₂O -> NaOH + H2
CaCo₃ + HCl -> CaCl₂ + H₂O + CO₂
You can see that in all four reactions the product are all aqueous and none of them are gaseous.
Learn more about reactant, here https://brainly.com/question/17096236
#SPJ4
What type of bond is O2?
O₂ has a covalent bond between them.
O₂ is a covalent molecule because each oxygen atom needs two valence electrons to complete its octet. To meet this need, each oxygen atom shares two of its electrons with the other oxygen forming a strong oxygen-oxygen double shared covalent bond. covalent bond is formed when the two atoms share their electrons rather than properly transferring them like in ionic bonds. covalent bonds can be broken by giving a particular amount of heat. covalent bonds are weaker than ionic bonds but they are also strong than van der wall force. covalent bonds comes in the second number after the other atom. oxygen gas has the covalent double bond between them because they share electrons between them and they covalent force attraction between them. hence we can see that O₂ has covalent bonds between them.
Learn ore about Covalent Bond:
brainly.com/question/19382448
#SPJ4
Which two tests are used to test for proteins and how do they work?
Answer:
Biuret test and the Ninhydrin test.
The biuret method is based on the fact that proteins (and, as a rule, all substances containing two or more peptidic bonds) react with copper to form a colored complex whose absorption (λmax=454 nm), in the presence of excess copper, is proportional to the amount of protein present.
Ninhydrin is a tricyclic 1,2,3-trione that acts as a reagent for amino acids. It's an organic chemical component that reveals hidden fingerprints on porous surfaces like paper, cardboard, and bare wood. Ninhydrin is a chemical that can be used to detect both primary and secondary amines.
Explanation:
I hope this information i gave you helps! Great to be of service to you!
Answer:
Biuret Test:
The compounds with peptide linkage undergoes this test. Proteins are polypeptides of amino acids linked together by peptide bonds. An alkaline solution of protein is treated with a drop of aqueous copper sulfate when a bluish violet colour is obtained.
Laboratory Test of Proteins 01
This test can be used for the identification of proteins and also for protein estimation. Biuret is the chemical product formed when urea is heated to 180oC. In this reaction two molecules of urea condense to form a bi-urea or biuret molecule. Biuret reagent in the presence of copper ions forms a violet colour complex.
Note: Formation of violet colouration confirms the presence of Proteins.
(b) Xanthoproteic Test:
Proteins on treatment with nitric acid gives a yellow or orange colour. Concentrated nitric acid is used for nitration. On the treatment of nitric acid, proteins give yellow precipitate which turns to orange colour on treatment with alkali.
Laboratory Test of Proteins 02
Note: The appearance of yellow colour solution confirms the presence of proteins.
(c) Millon’s Test:
Phenolic group of tyrosine of proteins react with mercuric sulfate in the presence of sodium nitrite and sulfuric acid to give red colour. Millon’s test is given by proteins containing phenolic amino acids. Gelatin does not give this test. First white precipitate is formed when proteins treated with millon reagent and turns to brick red on boiling confirms the presence of proteins.
Laboratory Test of Proteins 03
Note: The appearance of brick red colour solution confirms the presence of proteins.
What treatment should be used with a patient who has been burned by a dry chemical?
When a patient is burnt by a dry chemical, the burnt surface should be cleaned with a large amount of sterile water for about 20 minutes as a first aid.
In serious conditions, the patient should be rushed to the hospital immediately.
One such dry chemical causing burns is "dry lime", which is a strong and corrosive substance that reacts with water. It produces heat which subsequently causes thermal and chemical injuries.
In case of burns caused by dry lime, the burnt surface should be brushed off the patient gently and completely as soon as possible. Then, the contaminated area should be rinsed with large volumes of cold water.
To know more about dry chemical here
https://brainly.in/question/2640423
#SPJ4
This element in pyrite contributes to acid mine drainage.
a. pH paste
b. Sulfur
c. hydrochloric acid
d. strong acid
The Correct answer is Option B) Sulfur. This is the element in pyrite that contributes to acid mine drainage.
What is Sulfur?One ingredient that should never be ignored is sulphur(S). Group 16 of the periodic table is where Sulphur is located. It is obtained as a byproduct following the manufacturing of natural gas and is non-metal. It is a bright yellow colour and has a terrible smell (like rotten eggs). Sulfur has been consumed by people for a thousand years despite its apparent physical characteristics. Why? Considering that you might just come across it on the ground.
Sulfur is a straightforward element to locate both on the ground and in the periodic table. It occupies the sixteenth position, immediately below oxygen (O). Sulfur is typically found as crystal and has a yellowish color when it occurs naturally.
To learn more about Sulphur visit:
brainly.com/question/15654465
#SPJ1
The ion 24Mg+2 has _____ protons, _____ neutrons and _____ electrons
Answer:
The ion 24Mg+2 has 12 protons, 12 neutrons and 10 electrons.
Explanation:
The number of protons in an atom determines the element it belongs to. Magnesium has an atomic number of 12, which means it has 12 protons in its nucleus.
The number of neutrons in an atom is determined by the number of protons and the element's atomic mass. Magnesium has an atomic mass of 24, which means it has 12 neutrons in its nucleus.
The number of electrons in an ion is determined by its charge. In this case, 24Mg+2 is a cation, which means it has lost 2 electrons. This means that it has 10 electrons in its outer shell.
For more information on Mg ion refer:
https://brainly.com/question/14249053
In the redox conversion of SO3 to SO-, S is ? (Oxidation or Reduction) and it's oxidation number goes from ? to?
In the redox conversion of SO₃ to SO⁻, S undergoes reduction and it's oxidation number goes from +6 to +1.
What is the oxidation number of elements?The number of electrons an atom or ion has either gained or lost in comparison to the neutral atom is known as the oxidation number or state of the atom or ion.
Group I, 2, and 3 electropositive metal atoms lose a certain number of electrons, and their positive oxidation numbers remain constant.
During a reduction reaction, the oxidation number of the element that undergoes reduction decreases.
Learn more about reduction reaction at: https://brainly.com/question/21851295
#SPJ1
An insulated cup contains 75. 0g of water at 24. 00oc. A 26. 00g sample of metal at 82. 25oc is added. The final temperature of the water and metal is 28. 34oc. What is the specific heat of the metal?.
An insulated cup contains 75 g of water at 24 °C. A 26 g sample of metal at 82.25°C is added. The final temperature of the water and metal is 28.34°C. The specific heat of the metal is 0.972 J/ g°C.
Given that :
Mass of the metal = 26 g
The specific heat of the metal = ?
Initial temperature of the metal = 82.25°C
Equilibrium temperature = 28.34°C
Mass of the water = 75 g
Specific heat of water = 4.18 J/ g°C
Initial temperature of the water = 24 °C
The specific heat capacity is given as :
26 × c × ( 82.25 - 28.34) = 75 × 4.18 ( 28.34 - 24)
26 × c × 53.91 = 313.5 × 4.34
c = 0.972 J/ g°C
Thus, the specific heat capacity of metal is 0.972 J/ g°C.
To learn more about specific heat here
https://brainly.com/question/15166473
#SPJ4
Acetylcholine has which effect on the postsynaptic neuron?
Acetylcholine affects the postsynaptic neuron, causing sodium to diffuse in and Ligand gated sodium ion channels to open.
In the bodies and brains of many animal species, including humans, acetylcholine functions as a neurotransmitter. Its name derives from its chemical composition, which is that it is an ester of acetic acid and choline. Body parts that use acetylcholine or are affected by it are referred to as cholinergic. The names cholinergics and anticholinergics are used to refer to compounds that change how the cholinergic system functions in general.The neurotransmitter that is employed at the neuromuscular junction, or the substance that is released by motor neurons of the nervous system to activate muscles, is acetylcholine.Cholinergic system-interfering medications may result in potentially dangerous adverse effects like convulsions and paralysis because of this property.
Learn more about Acetylcholine
brainly.com/question/19581612
#SPJ4
Is hydrogen and oxygen ionic or covalent bond?
Hydrogen and oxygen can form both ionic and covalent bonds, depending on the circumstances.
In an ionic bond, atoms transfer electrons to one another, resulting in positively and negatively charged ions. For example, when hydrogen gas (H2) is burned in the presence of oxygen gas (O2), the hydrogen atoms lose electrons and become positively charged ions (H+), while the oxygen atoms gain electrons and become negatively charged ions (O2-), forming water (H2O). This is an ionic bond between H+ and O2-.In a covalent bond, atoms share electrons in order to achieve a full outermost electron shell, which is more stable. For example, in the diatomic molecule H2, the two hydrogen atoms share electrons in order to complete their outermost electron shell. This is a covalent bond between the two H atoms. Similarly, in the diatomic molecule O2, the two oxygen atoms share electrons in order to complete their outermost electron shell.
Learn more about ionic bond here:
https://brainly.com/question/12663276
#SPJ4