Taking into account the reaction stoichiometry and limiting reagent, 9 grams of NO can be produced from 12 g of NH₃ and 12 g of O₂.
Reaction stoichiometryIn first place, the balanced reaction is:
4 NH₃ + 5 O₂ → 4 NO + 6 H₂O
By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:
NH₃: 4 moles O₂: 5 moles NO: 4 moles H₂O: 6 molesThe molar mass of the compounds is:
NH₃: 17 g/mole O₂: 32 g/moleNO: 30 g/moleH₂O: 18 g/moleThen, by reaction stoichiometry, the following mass quantities of each compound participate in the reaction:
NH₃: 4 moles ×17 g/mole= 68 grams O₂: 5 moles ×32 g/mole= 160 gramsNO: 4 moles ×30 g/mole= 120 gramsH₂O: 6 moles ×18 g/mole= 108 gramsLimiting reagentThe limiting reagent is one that is consumed first in its entirety, determining the amount of product in the reaction. When the limiting reagent is finished, the chemical reaction will stop.
Limiting reagent in this caseTo determine the limiting reagent, it is possible to use a simple rule of three as follows: if by stoichiometry 68 grams of NH₃ reacts with 160 grams of O₂, 12 grams of NH₃ reacts with how much mass of O₂?
[tex]mass of O_{2} =\frac{12 grams of NH_{3}X160 grams of O_{2} }{68 grams of NH_{3}}[/tex]
mass of O₂= 28.23 grams
But 28.23 grams of O₂ are not available, 12 grams are available. Since you have less mass than you need to react with 12 grams of NH₃, O₂ will be the limiting reagent.
Mass of NO formedConsidering the limiting reagent, he following rule of three can be applied: if by reaction stoichiometry 160 grams of O₂ form 120 grams of NO, 12 of O₂ form how much mass of NO?
[tex]mass of NO=\frac{12 grams of O_{2} x120 grams of NO}{160 grams of O_{2}}[/tex]
mass of NO= 9 grams
Then, 9 grams of NO can be produced from 12 g of NH₃ and 12 g of O₂.
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Question 1 of 10
What does the pH of a solution represent?
A. The pH indicates how acidic or basic a solution is.
B. The pH represents the partial pressure of hydrogen gas.
C. The pH is an indicator of the salt content of a solution.
D. The pH tells how quickly a reaction reaches equilibrium.
Under what conditions does the Ideal Gas Law not apply and gases are considered real? Check all that apply. High pressure low pressure high temperature low temperature.
Considering the definition of ideal gas and gas laws, The Ideal Gas Law not apply and gases are considering real under conditions of high pressure low pressure.
Definition of ideal gasAn ideal gas is a theoretical gas that is considered to be composed of randomly moving point particles that do not interact with each other.
In other words, an ideal gas is defined as one in which all collisions between atoms or molecules are perfectly elastic and in which there are no intermolecular attractive forces, so they do not interact with each other.
Gases in general are ideal when they are at high temperatures and low pressures.
Definition of gas lawsOn the other hand, the gas laws are a set of chemical and physical laws that allow us to determine the behavior of gases in a closed system. The parameters evaluated in these laws are pressure, volume, temperature, and moles.
Summary
The Ideal Gas Law not apply and gases are considering real under conditions of high pressure low pressure.
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Answer:
its A and D
Explanation:
Identify the limiting reactant when 4.67g of SF4 reacts with 6.28g of IzOs to produce IFs and SO2.
I’m confused on what goes next.
Water moves up a plant because of hydrogen bonds by a process called __________.
Answer:
transpiration
Explanation:
Transpiration is when water moves up a plant stem, because water has surface tension due to cohesion.
In water, the H is slightly positive and the O2 are both slightly negative. This creates bonds between the H and O of another molecule. This causes water to be sticky, and when water moves up a plant, other molecules are also pulled up.
Hope this helps!
What could happen to nearby molecules if one side of a molecule has a temporary negative charge?
Answer:
The London dispersion force is a temporary attractive force that results when the electrons in two nearby atoms of two different molecules occupy positions that make the atoms form temporary dipoles (positive or negative charge).
Explanation:
Describe two ways you could show acceleration of 2m/sec?.
Answer:
video and through an algebriac expression
Explanation:
If you have 1 mole of methane gas, how many liters of methane gas do you have?
I have 22.4 litre of methane gas
Determine if a water and a sound wave are both transversal waves.
Answer:
Sound waves are longitudinal waves
Water waves are transverse waves.
Hope this helps!
The direct rays of the sun slowly move from 23.5° south to the
equator during what season?
Answer:
in December, so winter is the season
Are people cool when they eat ice cream?
Answer:
no not technically most of the time it is just their miles and maybe their esophagus, and also your stomach if you're lucky. Most of the time the ice cream isn't cold all the way down it is warmed up or by your core body temperature. The only way your full body would be cold when you eat ice creams if you are already cold in your and your core temperature has dropped.
What precautions need to be observed when using methanol and a flame?.
Precautions need to be observed when using methanol and a flame are wearing a mask and gloves, performing experiment from a distance and in a careful and safe way.
Precautions neededMethanol burns with a clear, clean flame which is dangerous if not carried properly. Wearing a mask and gloves during experiment in order to safe the hands and face from burning.
Performing experiment from a distance and in a carful way avoids the chances of accident so we can conclude that wearing a mask and gloves, performing experiment from a distance and in a careful and safe way are the precautions are needed.
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Heat from the earth is obtained by all EXCEPT:__________.
a. Gathering lava from volcanoes to boil water
b. Pumping hot spring water into homes and businesses
c. Steam from high pressure underground turn turbines
d. Drilling wells to bring hot water to the surface
We have that the source that does not produce Heat is
Drilling wells to bring hot water to the surface
Option D
Heat from the earthGenerally, Heat in this context speaks to a hot or high temperature of molecules from the earth body
Therefore,Gathering lava from volcanoes to boil water,Pumping hot spring water into homes and businesses are few example of ways the earth generate natural heat Whilst drilling wells to bring hot water to the surface is not an actual thing as water drilled out is not hot
Therefore, the source that does not produce Heat is
Drilling wells to bring hot water to the surface
Option D
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what causes metamorphic rocks to form
Pls help
Explanation:
Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors. Conditions like these are found deep within the Earth or where tectonic plates meet.
How many atoms are in 1.14 mol of SO2?
2.05 x 10 ^24
how many grams are there in 11.8 moles of sodium hydroxide
Answer:
16
Explanation:
the number a grams is 16
Answer:
Roughly 471.96589800000004. Hope i helped :D
Explanation:
Question 1 (1 point)
Mackenzie adds sodium chloride and sucrose to water. Identify the solutes.
a
sodium chloride
b
water
с
sodium chloride and sucrose
d
sucrose
The solute in this case would be sodium chloride and sucrose.
SolutesSolutes are substances capable of dissolving in solvents to give homogenous mixtures known as solutions.
In this case, both sodium chloride and sucrose were added to water - water is acting as the solvent.
Sodium chloride is soluble in water and so also is sucrose.
Thus, a homogenous mixture of sodium chloride and sucrose would result.
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Explain what a chemical reaction is and moles
Answer:
A process during which chemical bonds between atoms are broken and new ones are formed, producing one or more substances.
Moles are the amount of substance that contains as many particles.
Explanation:
A chemical reaction is when a chemical change occurs for example when a nail comes into contact with air and is then exposed to air it begins to rust. It forms a red-brown substance which changes the chemical composition of the original compound.
Examples of chemical reactions:
Combustion
Oxidation (rusting)
Cooking an egg
Photosynthesis
Digestion
Fireworks
Paper Burnin
The mole is the amount of substance that contains as many particles (molecules, ions or atoms) as there are in 12g of carbon.
1 mol is the amount of substance that contains the same number of particles as there are atoms in 12.0 g of carbon-12 and that number is referred to as Avogardo's constant (6.022 x [tex]10^{23}[/tex]).
What makes a person scientifically literate? In three to five sentences, explain your answer.
It means that a person has the ability to describe, explain, and predict natural phenomena. Scientific literacy entails being able to read with understanding articles about science in the popular press and to engage in social conversation about the validity of the conclusions. Scientific literacy implies that a person can identify scientific issues underlying national and local decisions and express positions that are scientifically and technologically informed. A literate citizen should be able to evaluate the quality of scientific information on the basis of its source and the methods used to generate it. Scientific literacy also implies the capacity to pose and evaluate arguments based on evidence and to apply conclusions from such arguments appropriately.
hope this helps and sorry if this is wrong
What is gesso? a. A technique used by many Renaissance artists b. A medium used as a surface preparation or primer for a painting c. A mixture of egg yolk and pigment used to harden paint.
Gesso is a white paint blend that comprises pigment, chalk and gypsum. It is a medium utilised for surface preparation and as a primer for a painting.
What are the uses of gesso?Gesso is widely utilized for preparing surfaces and as primers by painters. They were used by painters and artists earlier to make canvas, boards for painting purposes.
It was first formulated by chalk powder dust and pigment derived from the animal skin. They are widely used because of their adhering properties.
The use of the gesso makes the paint adhere to the canvas and the board surfaces and also, makes the surface textured.
Therefore, option b. it is used for preparing the surface is correct.
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Answer:
b on edge
Explanation:
[tex]10 {}^{ - 16} M \: HCL \text{ \: is \: divided \: to \: 100 \: times \: its \: pH \: will \: be}[/tex]
Please Help me with this
25 Points_
[tex] \text{Given, Concentration of HCl}= 10 {}^{ - 6} M[/tex]
[tex] \text{After Dilution conc. of HCl =} \frac{10 {}^{ - 6} }{100} = {10}^{ - 8}M [/tex]
[tex] \therefore \text{pH = - log[H}^{ + } ][/tex]
[tex] \therefore \text{ pH }= - \log [{} {10}^{ - 8}] = 8[/tex]
[tex] \text{But} \: \text{This} \: \text{Is} \: \text{Not True Because} \\ \text{ An Acidic Solution Cannot have} \text{pH Greater than 7.} \\ \text{ In this case} [ {H}^{ + } ] \text{ Ions Of Water Molecule} \\ \: \text {Cannot Be Neglected.}[/tex]
Thus,[tex] {[H}^{ + } ] = {[H}^{ + } ] _{HCl} +{ [H + }^{ } ] _{H_2 O}[/tex]
As we know, ionic product[tex][H {}^{ + } ][OH {}^{ - } ] = 10 {}^{ - 14} \\ [H {}^{ + } ] = {10}^{ - 7} \\ [H {}^{ + } ] \text{total} = {10}^{ - 8} + {10}^{ - 7} \\ = {10}^{ - 8} (1 + 10) \\ = 11 \times {10}^{ - 8} [/tex]
[tex] \text{Now from, pH} = - \text{log}[H {}^{ + } ] \\ = \text{ - log}(11 \times {10}^{ - 8} ) \\ = - \text{ log}11 - \text{ log} {10}^{ - 8} \\ = 6.957[/tex]
Hope This Helps!!Dispersed colloids systems have the same _________________ (on the particles) which keep the particles dispersed.
Answer:
The dispersed particles of lyophobic colloidal systems have the same kind of electric charge. Particles with like charge repel each other and their mutual repulsion prevents them from joining together and settling out. The accumulation of similar kind of charges on the suspended particles holds them part and thus stabilizes the system.
Explanation:
Select the correct answer. A mixture consists of glucose and water. What is the percent composition of glucose in the mixture if it contains 1. 3 moles of glucose (C6H12O6) and the total mass of the mixture is 276 grams? A. 17. 7% B. 26% C. 35% D. 77% E. 85%.
Answer:
The percent composition of glucose in the mixture is 85 % (Answer E)
Explanation:
"percent composition of glucose = (mass of glucose / mass of the mixture) x 100
Step 1: calculate the mass of glucose ( C6H12O6)
mass of glucose = moles of glucose x molar mass of glucose
molar mass of C6H12O6 = [( 12 x6) + ( 1 x12) + ( 16 x6)= 180 g/mol
mass is therefore= 1.3 moles x 180g/mol = 234 grams
Step 2: calculate the percent composition
= mass of glucose /mass of mixture x 100
= 234 g/276 g x 100 = 85 %(answer E)"
Answer: the answer is E
Explanation: plato users
1. Which location (a, b, or c) would have the highest temperature?
2. Which location(a, b, or c) would have the lowest temperature?
3. Give reasoning to explain how and why the latitude of a place on Earth affects its average temperature.
WORTH 100 POINTS! WILL MARK BRIANLESIT
Answer:
1. B
2.C
3.The further out and the closer the the equator a place on Earth is the warmer it is due to the fact that the sun directly hits countries on the equator and takes in heat faster then the north and south pole. Countries on more of a curve are colder due to the fact they are more curved and it is harder for the heat to be taken in at a curve.
B is center point line passing through earth and it's placed right infront of sun so b would have highest temperature
#2
A and C both are poles so at a and c least sun light can reach hence lowest temperature.
#3
As far as the latitude is placed from equator lower the temperatureAs near as the latitude is located from equator higher the temperatureHow do we think that Mars lost atmospheric gas?
What basic planetary property would have had to be different for Mars to retain a thicker atmosphere?
the rocky planet was exposed to harsh and forceful solar winds, which blew the Martian atmosphere away.
Another option for thickening the atmosphere of Mars, and, in turn, raising the temperature of the planet, would be to set up solar-powered, greenhouse-gas producing factories.
2. When protein is digested by the body, what molecule do they become?
Answer:
Amino acid
Explanation:
When you eat food the body's digestive system breaks down the protein into the individual amino acids, which are absorbed and used by cells to build other proteins and a few other macromolecules, such as DNA
Abin is doing work by lifting a bowling ball. Which statement could be made about the energy in this situation? Energy is being transferred from the ball to his arm muscles. Energy is being transferred from his arm muscles to the ball. Energy would be recorded in units of hertz and power. Energy would change from potential to chemical.
Any capacity for doing work is called energy. It is a quantity and can be of various forms. Energy is getting transferred from arm muscles to the ball.
What are different forms of energy?Energy is the work done by the object to perform any given task and is dependent on the factors like the distance and the force applied.
When Abin lifts the bowling ball then the object is displaced from its original position and some amount of force is applied by the arm muscles.
The chemical energy stored in the arm of Abin is a form of energy and gets transferred to the ball from the muscles so it can be lifted.
Therefore, option B. energy is transferred from the arms muscles to the ball.
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Answer:
B. It is being transferred from his arm muscles to the ball.
Explanation:
got it right.
What mass of sulfur is needed to react with iron in order to produce 42.0 grams of iron (III) sulfide?
Based on the stoichiometry of the reaction, 15.27 g of Sulfur are required to produce 42.0 g of FeS.
What is stoichiometry of a reaction??A stoichiometry of a reaction shows the ratio in which reactant molecules will combine to form products.
The balanced equation of the reaction is given below:
Fe + S -----> FeS
Molar mass of sulfur = 32 g
molar mass of iron = 56 g
molar mass of FeS = 88 g
32 g of sulfur produces 88 g of FeS
mass of sulfur that will produce 42.0 g of FeS = 32/88 * 42 = 15.27 g
Therefore, 15.27 g of Sulfur are required to produce 42.0 g of FeS.
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i have a question so im working on a hydrology crossword puzzle and it says how acidic or basic a substance is and it only has 9 letters and its starts with p and the 3rd letter is b i need help
Answer: " PHBALANCE " .
_____________________
Explanation:
_____________________
The pH scale is logarithmic and indicates how acid or how basic a substance is.
ph balance ; as one word in a crossword puzzle,
with 9 letters ; P-H-B-A-L-A-N-C-E ; amounts to exactly 9 (nine) letters ;
And starts with a "P" ;
the 3rd letter is "B" .
_____________________
Source: Self-perception and tuition.
Hope this helps! Please let me know if the answer is correct; or if it makes sense!
_____________________
A student checks the air pressure in her bicycle tires early in the morning when it is cool outside. If she measures it again later in the day when it is hotter, what will she most likely observe? The pressure is the same. The pressure has increased. The pressure has decreased.
Answer:
answer in picture
Explanation:
When temperature increases, the air molecules gets energy. The air molecule starts moving randomly. The pressure is increased in the tire.
Define entropy?Entropy is defined as a measure of randomness or disorder of a system. disorder increases over time. Energy disperses.
In tire, it is filled with air molecules, its nothing but oxygen, nitrogen, sulpurdioxide, carbondioxide etc. when the outer side temperature increases, tire starts heating.
Heat is nothing but one type of energy, energy will transfer in to molecule. Molecule starts vibrating, hitting to walls this will increases the temperature and pressure increases.
Thus, if outer temperature increases. Pressure also increases.
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A compound containing only carbon and hydrogen is found to contain 80.0% carbon. It has a molecular weight of 30.0. What is its molecular formula
Answer:
(80.0, 20.0) The statement states that 80% of the compound is carbon. To acheive the amount of carbon in a 100 g sample, you need to multiply the weight of the sample by the percentage of carbon in the compound. Recall that 80%=80/100=.8 .8*100g=80g of carbon. The same process goes for the hydrogen. .2*100g=20g hydrogen. Explanation: