3 H₂ + N₂ → 2 NH₃
↓ ↓
4 mol 3 mol
Since the moles of N₂ is the smaller of the two reactants, then N₂ is the limiting factor (the reactant that will decide how much ammonia is produced since it has the smaller amount of moles). ∴ we have to use it in calculating the number of moles of ammonia
The mole ratio of N₂ to NH₃ based on the balanced equation is 1 to 2.
∴ the moles of NH₃ = moles of N₂ × 2
= 3 moles × 2
= 6 moles
in which step of the scientific method do we want to use graphs
Explanation:
The next step in the scientific method is to analyze the data. Data analysis is the process of interpreting the meaning of the data we have collected, organized, and displayed in the form of a table or graph.
draw the product of the sn2 reaction and indicate stereochemistry. write the inorganic product in the answer palette.
SN2 reaction proceeds with inversion of configuration at the reacting carbon atom. The product has a different configuration at this carbon atom from the product.
SN2 reaction is a short form for substitution nucleophilic bimolecular reaction. It is a synchronous reaction in which the leaving group departs at the same time as the nucleophile attacks in a single transition state.
Recall that SN2 reaction proceeds with inversion of configuration hence the product has a different configuration at the reacting carbon atom from the product. The inorganic product in this reaction is HI. The organic product is shown in the image attached to this answer.
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Atoms share one or more pairs of electrons.
Options:
Ionic Bond or Covalent Bond?
Answer:
covalent bonds
Explanation:
ionic transfer of e^- ions formed (charges)
ionic=non-metal+ metal
ex: F+Ca
covalent sharing e^- no true charges
covalent= non-metal+ non-metal
ex: F+P
( my notes)
Which statement best explains the difference between polar and nonpolar covalent bonds?(1 point)
Polar covalent bonds give/take electrons, while nonpolar covalent bonds share electrons.
Polar covalent bonds share electrons equally, while nonpolar covalent bonds share electrons unequally.
Polar covalent bonds share electrons unequally, while nonpolar covalent bonds share electrons equally.
Polar covalent bonds share electrons, while nonpolar covalent bonds give/take electrons.
Covalent bonding can be defined as the sharing of electrons between two atoms.
The statement which best explains the difference between polar and nonpolar covalent bonds is "Polar covalent bonds share electrons unequally, while nonpolar covalent bonds share electrons equally"
We have:
Polar covalent bond is a chemical bond in which electrons are shared unequally or unevenly between two atoms. Non-polar covalent bond is a chemical bond in which electrons are shared evenly or equally between two atoms.Therefore, the statement which best explains the difference between polar and nonpolar covalent bonds is "Polar covalent bonds share electrons unequally, while nonpolar covalent bonds share electrons equally"
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How to determine the speed of light.
Please, if you wish not to receive multiple notifications, ignore answering this, for which you will be stressed and annoyed.
Answer:
Hey mate....
Explanation:
This is ur answer....
By adjusting the path length while observing the interference pattern and carefully measuring the change in path length, the wavelength of the light (λ) can be determined. The speed of light is then calculated using the equation c = λf.
Hope it helps!
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which scientist is credited with early, quantitative data on redox reactions?
Answer:
German chemist G.E. Stahl
Explanation:
this theory was first articulated in 1697
G. E. Stahl in 1697 is the scientist who is credited with early, quantitative data on redox reactions.
What are redox reactions?
The Redox reactions comprise of two parts a reduced part and an oxidized part, which occur simultaneously . The part which is reduced gain electrons and hence there is a increase in oxidation state of the species.
While, the part which is oxidized looses electrons and hence there is a decrease in oxidation state of the species.During redox reactions, there is no net change in the number of electrons . Electrons which are given off in oxidation are used up in reduction.
The ion or molecule which accepts electrons is called as oxidizing agent while the ion or molecule which donates electrons is called as a reducing agent.
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ANSWER ASAP PLZ???????????????????????????????????
Answer:
The answer should be A
Explanation:
Answer:
Leaving a Copper penny in vinegar until it turns green
Explanation:
the others are physical changes. when copper penny is put in vinegar, a reactive oixde layer is formed which is green in colour. namely, Cu(II) acetate.
The green growing on the penny of copper and the rust forming on the nail of iron are chemical changes. Boiling away salt water, scraping iron filings from a mixture of sand with a magnet, and breaking a rock with a hammer, are physical changes.
Someone pls help me I will make you brain
Answer:
the second answer
Explanation:
Answer:
A Erosion of structures and buildings
Explanation:
Which of the following pairs of elements could NOT react to form an ionic compound ? Check all that apply
Co and Br
C and O
K and F
Ag and O
Answer:
Ag and o
Explanation:
because they are not metals but not metals
Investigation of ions and Separation of Mixtures 1- Propose systematic schemes for the identification of the following salts with respect to their anions and cations: NaCl, KNO3, and CuSO4?
The cations and anions can be identified using cataloged reactions schemes. For instance, the copper II ion can be identified by reaction with sodium hydroxide.
The sodium cation is easily identified by flame test. sodium imparts a yellow color to a flame. The chloride ion is identified by the use of a mixture of HNO3/AgNO3 solution. The color of the precipitate shows which halide ion is present. A white precipitate indicates the presence of the chloride ion.
The potassium cation is also identified by flame test. The ion imparts a lilac color to flame. Addition of acidified FeSO4 solution is used to confirm the presence of the nitrate ion. Formation of a brown ring is a positive test for the nitrate ion.
For CuSO4, the presence of copper II ion can be confirmed using dilute NaOH. If a light blue precipitate is formed which dissolves in excess NaOH then the copper II ion is confirmed. The presence of the sulfate ion is confirmed using a solution of barium nitrate and dilute nitric acid. Formation of a white precipitate is a positive test for the sulfate ion.
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How many grams are in 2.5 moles of dicarbon hexahydride?
Round to 2 significant figures!
There are 75 grams in 2.5 moles of dicarbon hexahydride (C₂H₆).
The given parameters;
dicarbon hexahydride = [tex]C_2H_6[/tex] number of moles of the dicarbon hexahydride = 2.5 molesThe molecular mass of dicarbon hexahydride is calculated as follows;
Mw = C₂H₆ = (2 x 12) + (6 x 1)
Mw =30 g/mol
The mass of the dicarbon hexahydride in the given number of moles is calculated as follows;
mass = n x Mw
mass = 2.5 x 30
mass = 75 g
Thus, we can conclude that there are 75 grams in 2.5 moles of dicarbon hexahydride (C₂H₆).
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Gravity relates to a stream's ability to erode and deposit material by causing water to flow faster down a steep slope. True or False
Answer:
true
Explanation:
Why it is important to have balanced charges when forming ionic compounds?
[tex]\textbf{Question:-}[/tex]
Why it is important to have balanced charges when forming ionic compounds?
✿[tex]\textbf{Answer:-}[/tex]
As we know electrons can neither be created not destroyed,instead it can be transferred from one medium to another, therefore it is important to have balanced charges when forming ionic compounds. Net ionic equations must be balanced by both mass and charge. Also, the total number of electrons lost by the cationic species must be same with the total number of electrons gained by the anionic species.✿[tex]\textbf{More to know:-}[/tex]
Ionic Compounds-Ionic compounds are solids and hard due to the strong attracting force between the positive and negative ions. These compounds are generally brittle and break into pieces on application of pressure.Ionic compounds contain positively and negatively charged ions in a ratio that results in an overall charge of zero.A horse runs 1 km in 15 s. What is the average speed
The average speed of the horse for the entire motion is 66.67 m/s.
The given parameters;
distance traveled by the horse, d = 1 km = 1,000 mtime of motion of the horse, t = 15 sThe average speed of the horse is calculated by dividing the total distance traveled by the horse by the time of motion.
The average speed of the horse is calculated as follows;
[tex]average\ speed = \frac{distance}{time} \\\\average\ speed = \frac{1000 \ m}{15 \ s} = 66.67 \ m/s[/tex]
Thus, the average speed of the horse for the entire motion is 66.67 m/s.
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Using a lamp without a shade and a baseball, Juan turned on the lamp and placed it on one side of a darkened room. He sat on the other side of the room and held the baseball between his face and the lamp.
Based on the model, what would the final step of his model?
Answer:b
Explanation:
Suggest one peice of laboratory apparatus which is suitable to be used for transferring the concentrated acid into a beaker. Explain your answer
Answer:
safety hand gloves face masks
Explanation:
Which layer or layers of Earth provide the heat and energy that fuels convection?
The layer of Earth which provide transfer from the white core to the lithosphere that fuels convection is the mantle.
What is the Mantle layer?A mantle can be described as a layer inside a planetary body bounded above a crust and below a core. Mantles are composed of rock or ice and are usually the largest massive layer of the planetary body.
The mantle layer of the earth is a layer of silicate rock between the crust and the outer core. The mass of the mantle of 4.01 × 10²⁴ kg which is 67% of the mass of the Earth. It's a thickness of 2,900 kilometers making up about 84% of Earth's volume.
The mantle layer is predominantly solid, but it behaves as a viscous fluid. At mid-ocean ridges, partial melting of the mantle produces oceanic crust, and at subduction zones, partial melting of the mantle produces continental crust.
The temperatures range of the mantle from 200 °C at the upper boundary with the crust to 4,000 °C at the core-mantle boundary. The convection of the mantle is a chaotic process, the mantle transfers heat that fuels convection.
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What type of reaction is represented by the chemical equation shown
below?
2PbO2 → 2PbO + O2
decomposition
single replacement
synthesis
deouble replacement
Answer:
Decomposition reaction
Explanation:
2PbO2 → 2PbO + O2
2PbO2 is reactant.
2PbO + O2 is the product.
Definition : -
Decomposition reaction is a chemical reaction in which a single reactant breaks down to simpler products.
Someone pls help me I will make you brain
Answer:
A
Explanation:
I talked about it in Economic Geography and Earth Science, I rememBer this
In general the state of matter with the most energy is ?
Gas
Gas particles got the most energy because of how freely the molecules move
Hope this helped you, have a good day bro cya)
Bohr models do not correctly show the location of electrons in an atom explain why they are still useful to predict bonding of atoms
Answer:
looo
rdyxvxkxkvxkgxkgdkvx
Explanation:
lolollkvvbffffkhdhlxkgzfjzufsfjsdhayzyrzruzruzufzktzkgdjfdufskdgjgzjfgkzjgskf
Which characteristic do valence electrons indicate about reactions between atoms?
A.bond type
B.electronegativity difference
C.bond number
D.absolute electronegativity
Answer:
the answer is Bond Number
Explanation:
b r u h i just took the quiz and got the answer wrong lol
so turns out its BOND NUMBER
The whole Chemical Reaction Predictions Quick Check for Chemistry
1) chemical reaction
2) bond number
3) chemical bonds
4) C3H6O3
5) Iron oxides form when oxygen, a product of photosynthesis, is in the atmosphere
How do we determine the volume of an irreguler shaped object?
Answer:
You can measure the displacement when the object is placed in a certain volume of water.
Which term describes the total internal energy of a material due to the motion
of its particles?
A. Nuclear energy
B. Thermal energy
Ο Ο Ο
C. Electrical energy
D. Chemical energy
Answer:
Thermal Energy
Explanation:
Thermal energy is the total internal kinetic energy of an object due to the random motion of its atoms and molecules They consist of the sum of the internal kinetic energy (thermal energy) and the potential energy of an object.
Answer:
B. thermal energy.
Thermal energy or heat is due to the movement or vibrations of tiny particles such as atoms and molecules.
Explination:
Einstein proved the existense of atoms through his observation of Brownian Motion (the random movement of a dust particle, caused by it bumping into atoms).
how do lone pairs of electrons influence the structure of molecules?
Answer:
lone pairs and bonds both repulsive each other
Explanation:
therefore bond angles will be changed that leads to the original geometry in nature
The organelle that serves as a microtubule organizing center during cell division is the
Answer:
Centríolo. Los Centríolos son orgánulos tubulares (en pares de dos en dos) que se encuentran en el citoplasma de las células animales, cerca de la membrana nuclear. Los centriolos tienen la función de organizar los microtúbulos, que son el sistema esquelético de la célula.
Explanation:
Espero te ayude
help pls now now now
5- perfume sprayed in the air
6- I'm really sorry but I'm not sure
standardization is the process of titrating a solution prepared from
Standardization is the process of titrating a solution that is prepared from: a carefully measured solid mass to accurately find the concentration of titrant.
What is titration?Titration is also known as volumetric analysis (titrimetry) and it can be defined as a chemical process in which a solution of known concentration (titrant) is carefully and slowly added to another solution of unknown concentration, so as to determine the concentration or quantity of the analyte.
Similarly, a process referred to as standardization is used to titrate a solution that is prepared from a carefully measured solid mass to accurately find the concentration of titrant.
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Can someone help me please I would really appreciated
Explanation:
whats the question. cause I didn't see it
convert 1 bromopropane to bromoethane.
Answer:
The Dehydrohaogenation of 1-bromo propane with alcoholic KOH gives propene which on again hydrohalogenation with HBr gives 2-bromo propane due to Markonikove's rule for addition.
Explanation: