If 50.2 g of NO and 15.1 g of H2 react, what is the largest amount of ammonia that can be formed?
WILL GIVE POINTS IF HAS EXPLANATION!
Answer:
28.5 g NH₃
Explanation:
You can determine how much ammonia will form by identifying which reactant is the limiting reagent. This can be done by converting each reactant into moles, using the mole-to-mole ratio (after balancing the reaction), then converting ammonia to grams.
2 NO + 3 H₂ --> 2 NH₃ + O₂
Molar Mass (NO) = 14.01 + 16.00 = 30.01 g/mol
Molar Mass (H₂) = 2(1.008) = 2.016 g/mol
Molar Mass (NH₃) = 14.01 + 3 (1.008) = 17.034 g/mol
50.2 g NO 1 mol 2 mol NH₃ 17.034 g
---------------- x --------------- x -------------------- x ---------------- = 28.5 g NH₃
30.01 g 2 mol NO 1 mol
15.1 g H₂ 1 mol 2 mol NH₃ 17.034 g
---------------- x --------------- x -------------------- x ---------------- = 85.1 g NH₃
2.016 g 3 mol H₂ 1 mol
Nitrogen oxide (NO) is the limiting reagent because it produces the smallest amount of product. In other words, it runs out before all of the hydrogen gas (H₂) can be used. This means that the largest amount of ammonia that can be produced is 28.5 grams.
1. Which creates a potential difference in an electric circuit
a voltage source
electric charges
a current source
a difference in height
Plese help me I need the answer right now
Answer:
voltage source
Explanation:
establishes an electric potential difference across the two ends of the external circuit and thus causes the charge to flow. The voltage source is the numerical value of this electric potential difference.
Formula for dinitrogen monoxide
Answer:
the formula is N₂O
Explanation:
What is carbon's number of neutron,proton,atomic number,mass number
No. of Neutrons: 6
No. of Protons: 6
Atomic number: 6
Mass No: 12.011 u
The u means atomic mass unit.
Answer:
Everything is 6 except for mass number
Explanation:
neutron is 6
proton number is 6
atomic number is 6
mass number is 12.011 atomic mass units
Br2 + NaCl → NaBr + Cl2
Answer:
NaBr is a reducing agent, Cl 2 is an oxidizing agent. ; Greenish-yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]
Explanation:hope its help
Predict the products if Calcium Carbonate reacts with Silver Sulfate.
CaCO3 + Ag2SO4 ?
-
1
2
The products obtained when Calcium Carbonate reacts with Silver Sulfate is Calcium Sulfate and Silver Carbonate , CaSO₄ + Ag₂CO₃
What is a Double Dispalcement Reaction?The reactions in which two compounds react by an exchange of ions to form two new compounds are called double displacement reactions.
Many double displacement reactions occur between ionic compounds that are dissolved in water.
In a double displacement reaction, atoms from two different compounds switch places.
The reactants are two compounds and the products are two different compounds.
The reaction given below is an example of Double Dispalcement Reaction
CaCO₃ + Ag₂SO₄ → CaSO₄ + Ag₂CO₃
1 mole of Calcium Carbonate reacts with Silver Sulfate to form 1 mole of Calcium Sulfate and Silver Carbonate , CaSO₄ + Ag₂CO₃.
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What volume is occupied by 20.6g of methane, CH4 at 27°C and 1.59 atm?
Please show work :)
How many atoms is 2.34 moles of titanium?
[tex]1.409 \times {10}^{24} \: \: atoms[/tex]
Explanation:
Convert from moles to atoms:
2.34 mol titanium (Ti)
Determine the amount of substance, n:
n = 2.34 mol
Look up Avogadro's constant, [tex] N_A[/tex] , to find the number of atoms in a mole:
[tex] N_A[/tex] = 6.022×10^23 atoms/mol
Multiply n by [tex] N_A[/tex] to convert to the number of atoms, [tex]N_{atoms}[/tex]:
Precise Answer:
[tex] N_{atoms} [/tex] = n× [tex] N_A [/tex]= (2.34 mol)/1×(6.022×10^23 atoms)/(1 mol) = 1.409×10^24 atoms
need helpppppppppppppppppppppppppp with 3
Answer:
13. 8 hrs
12. 8.89 meters per second squared
11. -0.75 meters per second squared
I Need help!!!!!!!!!
Answer:
Green=2.81
Yellow=10^-5
Explanation:
It is the correct answer. the exponent power will become 10^-4 without any calculations
What is the molar mass of MgSO4?
Answer:
120.3676 g/mol
Science!
Which of these is a benefit of nuclear fusion?
A. It creates lower temperatures than nuclear fission reactions.
B. There is a lower risk of runaway chain reactions. C. Containment is easier for nuclear fusion.
D. It is less technically challenging than nuclear fission reactions.
Answer:
B. There is a lower risk of runaway chain reactions.
Answer:
b
explanation:
Which of the following describes how further studies supported the work done by Ernest Rutherford?
A. Max Planck formulated the Planck's constant.
B. Albert Einstein formulated the energy equation.
C. James Chadwick discovered neutral particles in the nucleus.
D. Joseph Proust stated that each compound has a fixed ratio of elements.
Answer:
c) James Chadwick discovered neutral particles in the nucleus
Explanation:
James Chadwick discovery of neutral particles in the nucleus best describes the further studies supported the work done by Ernest Rutherford. Hence, option (c) is the correct answer.
Need help solving this want to know either A or B
When would a transformation of chemical energy to electrical energy occur?(1 point)
when the current becomes zero
when a reaction produces the same products
when there is chemical reaction between metals and nonmetals
\
when electrons stop moving between atoms
A transformation of chemical energy to electrical energy occurs when there is a chemical reaction between metals and nonmetals.
What is electrical energy?The movement of electrons from one atom to another is what results in electrical energy.
A battery is a device that converts chemical energy contained within its active materials directly into electric energy by means of an electrochemical oxidation-reduction (redox) reaction. This type of reaction involves the transfer of electrons from one material to another via an electric circuit.
Hence, option C is correct.
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The pressure on 2.50L of N2O changes from 1 atm to 0.4 atm. What is the new volume?
Answer:
6.25 L
Explanation:
Boyle's law says Pressure and volume are inversely related. One goes up and other goes down (vice versa).
P1 V1 = P2 V2
(2.5) (1) = (0.4) (x)
x= 6.25 L
The answer should make sense because your pressure went from high to low which means your volume should opposite, from low to high, and that's what we see.
Look at the images below. Which model is the correct organization of an atomic model of an element?
A
B
C
???
Answer:
in this model is the correct organization of an atomic model of an element is C
A path along which electric charges flow is called
a?
Answer:
its an electric circuit
Explanation:
is a pathway in which current flows through.
__N2O5+__H2O->__HNO3
What's the reaction?
Answer:
N₂O₅ + H₂O --> 2HNO₃
This reaction is a combination reaction
Explanation:
I find that making a table is an easy way to balance a table. The table would be something like this:
Reactants (left) Products (right)
N = 2 N = 1
O = 6 O = 3
H = 2 H = 1
The number next the symbol represents how many of atoms of that particular element are present.
The aim is to make the number of atoms of each element on the left side to be equal to the number of atoms of each element on the right side. As we can see, there are 1 more nitrogen than on the right, 3 more oxygen than on the right and 1 more hydrogen than on the left.
So to make the numbers of atoms of each element on right equal to the number of atoms of each element on the left, we have to add a number. This number CANNOT be a subscript number because that would change the reaction.
We can add a 2 in front of the product (this is because there are less atoms in the right side of the equation).
N₂O₅ + H₂O --> 2HNO₃
This means there are now two HNO₃ molecules so every atom in this molecule is basically multiplied by 2. So 1 nitrogen atom becomes two (1 × 2 = 2), 3 oxygen atoms become 6 (3 × 2 = 6) and 1 hydrogen atom becomes 2 (1 × 2 = 2). If we were to make a table again with the following equation - N₂O₅ + H₂O --> 2HNO₃, the table would be as so:
Reactants (left) Products (right)
N = 2 N = 2
O = 6 O = 6
H = 2 H = 2
Now the equation is balanced as we can see the number each type of atom is the same on the right and left side.
Use the name to write the formula for the following ionic compound: scandium (III) hydroxide
Use the name to write the formula for the following ionic compound: titanium (IV) cyanide
Answer:
.
Explanation:
.
1. write the formula for the following ionic compound: Calcium Carbonate
Answer:
CaCO3
Explanation:
The molecule is formed by the calcium cation Ca+2 and the carbonate anion CO3−2.
draw a condensed structure of each of the following
1. 1,2,-propanediol
2. Ethyl methyl ether
3. Dichloromethane
The condensed structure of given compounds are shown in the below image.
What is functional group?Functional group is the specific group which is present in an organic compound gives information about the properties of that compound.
In 1,2-propanediol compound hydroxyl functional group is present on the 1st and 2nd position.In Ethyl methyl ether, ether functional group is present.In Dichloromethane, two atoms of chlorine groups are present.Hence, structure of the given compounds are shown in the below image.
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Describe briefly a chemical test to identify a sample of each of the following gases in the laboratory. For each test include a short description of the procedure (method) and the expected observations. a) hydrogen gas b) oxygen gas c) carbon dioxide gas
Look at the following atom:
How many protons does this Beryllium have?
How many neutrons does this Beryllium have?
How many electrons does this Beryllium have?
Answer:
p= 4
e=4
n=5
Explanation:
Explain
Tell if each statement is true or false. Explain your choice.
4. Water can take only one path through the water cycle.
This statement is ______________ because _____________________________________
______________________________________________________________
5. What is the role of the sun in the water cycle?
(23 points)
There are so many routes by which water can move through the various stages in the water cycle.
What is the water cycle?The water cycle has to do with the route of movement of water in the enviroment. We have to note that there are so many routes by which water can move through the various stages in the water cycle.
The sun supplies the energy that drives the water cycle. This is seen in the fact that the supply of energy from the sun is required for evaporation to take place.
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CHEMISTRY
A certain reaction is endothermic in the forward direction. The reaction has less moles of gas on the product side. Which of the following stresses would increase the yield of the products (shift right)?
•Decreasing the temperature
•Decreasing the reactant concentration
•Increasing the volume
•Increasing the pressure
answer is either A or D if that helps
Answer:
A
Explanation:
The forward reaction would be favoured as the increase in temperature would cause more heat for the reaction to absorb so the endothermic reaction would be increased.
Wetlands are able to remove nutrients and chemicals from water as the water flows through the area. A developer is planning to destroy most of the wetlands near a bay. In three to five sentences, explain how destroying the wetlands would impact the bay’s water quality and ecosystem.
hope this helps
Answer:
Wetlands are from being useless, disease-ridden places, wetlands provide values that no other ecosystem can. These include natural water quality improvement, flood protection, shoreline erosion control, opportunities for recreation and aesthetic appreciation and natural products for our use at no cost. Removal of the wetlands can result in fish disease, dominance of acid-tolerant species, contamination of groundwater, reduction in agricultural productivity and damage to infrastructure through corrosion. The loss of the wetlands introduces invasive species, either intentionally or unintentionally, these species can put pressure on native plants and eventually push them out of their native habitat.
Wetlands are from being useless, disease-ridden places, wetlands provide values that no other ecosystem can. These include natural water quality improvement, flood protection, shoreline erosion control, opportunities for recreation and aesthetic appreciation, and natural products for our use at no cost.
Removal of the wetlands can result in fish disease, the dominance of acid-tolerant species, contamination of groundwater, reduction in agricultural productivity, and damage to infrastructure through corrosion.
How are the wetlands being destroyed?
In the last three decades alone, nearly one-third of natural wetlands have been lost to urbanization, agriculture expansion, and pollution. The loss of wetlands in urban areas has been more rapid.
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How many moles of LiMnO4 are in 0.107 Lof 2 M solution?
Answer:
There are 20. mol of Na2CO3 in 10.0L of 2.0M solution.
Explanation:
Molarity is represented by this equation:
(look at attachment)
In our case, we already have the molarity and volume of solution, both of which have good units.
Let's rearrange the equation to solve for the number of moles. We can do this by multiplying by L solution on both sides of the equation. The L solution will cancel out on the right side, leaving the number of moles being equal to the molarity times volume:
Moles of solute
=Lsolution×Molarity
Now we just plug the known values in!
Moles of solute = (10.0 L) (2.0M) = 20. moles
According to the chart of specific heats, which material requires the most heat to raise its temperature from 10°C to 30°C?
Answer
A
Aluminum
B
Oil
C
Glass
D
Gold
The material which requires the most heat to raise its temperature from 10°C to 30°C is oil.
What is the formula to calculate absorbed heat?The formula which we used to calculate the amount of involved heat in relation with specific heat is:
Q = mcΔT, where
Q = absorbed heatm = massc = specific heatΔT = change in temperatureAmong the given materials, specific heat of oil is highest than other materials so will require maximum absorbed heat.
Hence, oil requires the most heat.
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how the surface of the early Earth and its atmosphere have changed to
form the surface of the Earth and its atmosphere today,
Answer:
As Earth cooled, an atmosphere formed mainly from gases spewed from volcanoes.
Explanation:
