what are the three possible limiting reagents for this two step synthesis
Answers
To identify the limiting reagent in a chemical reaction, you first need to write the balanced chemical equation for the reaction. The balanced equation shows the mole ratios of the reactants and products involved in the reaction.
Once you have the balanced equation, you can determine the limiting reagent by comparing the number of moles of each reactant available to the mole ratios in the balanced equation.
The reactant that produces the smallest amount of product is the limiting reagent because it limits the amount of product that can be formed.
In a two-step synthesis, there are two reactions involved, and each reaction has its own balanced equation. The limiting reagent for the first reaction becomes the reactant for the second reaction, and the limiting reagent for the second reaction determines the maximum amount of product that can be formed.
For example, consider the two-step synthesis of ammonia (NH3) from nitrogen gas (N2) and hydrogen gas (H2):
Step 1: N2 (g) + 3H2 (g) → 2NH3 (g)
Step 2: NH3 (g) + H2O (l) → NH4+ (aq) + OH- (aq)
The balanced equations for these reactions show that one mole of nitrogen gas reacts with three moles of hydrogen gas to produce two moles of ammonia in the first step, and one mole of ammonia reacts with one mole of water to produce one mole of ammonium ions and one mole of hydroxide ions in the second step.
To determine the limiting reagent in this two-step synthesis, you need to consider the amount of each reactant available for each step.
For example, if you have one mole of nitrogen gas and two moles of hydrogen gas available, the limiting reagent in the first step would be nitrogen gas because it produces only two moles of ammonia, whereas the excess hydrogen gas would produce six moles of ammonia.
In the second step, the limiting reagent would depend on the amount of ammonia produced in the first step.
If two moles of ammonia were produced, then two moles of ammonia would react with two moles of water, and the limiting reagent would be water because it produces only two moles of ammonium ions and two moles of hydroxide ions, whereas the excess ammonia would not react.
In summary, the identification of the limiting reagent in a two-step synthesis depends on the amount of each reactant available for each step, and it determines the maximum amount of product that can be formed.
To learn more about moles, refer below:
https://brainly.com/question/31597231
#SPJ11
Related Questions
the primary fate of the hydrogen atoms in the oxidation of glucose is to
Answers
The primary fate of the hydrogen atoms in the oxidation of glucose is reaching oxidation state I in water after going from oxidation state 0 in H2.
In essence, glycolysis splits a 6-carbon glucose molecule into two 3-carbon pyruvate molecules. NAD+ is involved in the process and captures hydrogen atoms and electrons. Any energy released will either be retained as ATP or NADH, or it will be expelled as heat.
When glucose and molecule of oxygen interact, carbon dioxide and water are created. Glucose's carbon atoms undergo oxidation. In other words, they lose an electron and go to a more oxidized state. In molecular oxygen, the oxygen atoms undergo reduction.
To know more about oxidation visit :
https://brainly.com/question/16976470
#SPJ4
What is the number 6.02x10^23 also known as?
Answers
Answer:
Avogadro's number or Avogadro's constant.
how are co2 concentration and temperature related graphically?what is the approximate number of years it takes to complete one cycle (the amount of time between two major troughs-low points- or major peaks-high points)?
Answers
CO2 concentration and temperature are related graphically by plotting them on a graph, where the x-axis represents time and the y-axis shows the values of CO2 concentration and temperature. Generally, as CO2 concentration increases, the temperature also rises, showing a positive correlation between the two.
One cycle, referring to the time between two major troughs or major peaks, is approximately 100,000 years. This cycle length is based on the natural fluctuations in Earth's climate, such as those observed during the ice ages and interglacial periods, where CO2 concentration and temperature follow cyclical patterns.
The relationship between CO2 concentration and temperature can be graphically depicted by plotting their values over time. Studies have shown that there is a positive correlation between the two variables, indicating that as CO2 concentration increases, so does temperature. The graph typically shows a cyclical pattern, with peaks and troughs occurring over time.
The approximate number of years it takes to complete one cycle varies, but it is estimated to be around 100,000 years. This cycle refers to the amount of time between two major peaks or troughs in the graph, which represent high points and low points in temperature and CO2 concentration levels. Understanding these cycles is essential in predicting the impact of climate change and developing strategies to mitigate its effects.
To know more about positive correlation visit:
https://brainly.com/question/27886995
#SPJ11
Given that the enthalpy of vaporization for water is:
H2O(1) ►H2O(g)
Hvap = + 44.0 kJ/mole
Calculate H for each of the following processes:
a. Evaporating 3.00 moles of water
b. Evaporating 3.00 grams of water
c. Condensing 20.0 grams of water
Answers
Answer:h
Explanation:
which scientist saw the atom as an indivisible sphere?
Answers
6th grade science plz help Major grade Need help with 4,5, and 6
Answers
For the balanced equation shown below, how many grams of CO2 will be
produced from 74.23 grams of CO? CO + Fe3O4 → 3FeO + CO2
Answers
Answer:
116.64 g
Explanation:
74.23÷14 This is # of moles .
# of moles for co = 5.302
Then mass of co2 = 116.64
Match the element with its descripition
Potassium
Barium
Boron
Neon
A) Great conductor of heat and electricity
B) Has properties of both metals and nonmetals
C) Malleable and highly reactive
D) Nonreactive gas
Answers
Answer:
A) Potassium B) Boron C) Barium C) Neon
Explanation:
In winter, soap does not dissolve properly in water. Why?
Answers
Answer:
it is because in winter there is a situation of cold means there is less movement in particles of water thats why it happens.
you may also be knowing in particles of matter have constant movement at all time.
what is the complete ionic equation for the reaction between Na2SO4 and CaCl2
Answers
The net ionic equation focuses on the species that are directly involved in the reaction, highlighting the formation of solid calcium sulfate (CaSO4).
The reaction between sodium sulfate (Na2SO4) and calcium chloride (CaCl2) can be represented by the following balanced chemical equation:
Na2SO4(aq) + CaCl2(aq) → 2NaCl(aq) + CaSO4(s)
To write the complete ionic equation, we need to break down all the soluble compounds into their respective ions:
Na2SO4(aq): 2Na⁺(aq) + SO4²⁻(aq)
CaCl2(aq): Ca²⁺(aq) + 2Cl⁻(aq)
2NaCl(aq): 2Na⁺(aq) + 2Cl⁻(aq)
CaSO4(s): CaSO4(s)
By substituting the ions into the balanced chemical equation, the complete ionic equation is:
2Na⁺(aq) + SO4²⁻(aq) + Ca²⁺(aq) + 2Cl⁻(aq) → 2Na⁺(aq) + 2Cl⁻(aq) + CaSO4(s)
In the complete ionic equation, the ions that appear on both sides of the equation (Na⁺ and Cl⁻) are called spectator ions. They do not participate in the actual chemical reaction and can be eliminated from the equation. Simplifying the equation by removing the spectator ions gives the net ionic equation:
SO4²⁻(aq) + Ca²⁺(aq) → CaSO4(s)
For more such questions on ionic equation
https://brainly.com/question/28669617
#SPJ11
how many atoms are there in 0.0255 moles of calcium?
Answers
Answer:
Multiply the moles by Avogadro's number (\(6.02\) x \(10^{23}\)) to get the number of atoms
\((0.0255 \ mol)\) * \((6.02 \ * \ 10^{23})\)
= 1.5351 x \(10^{22}\)
Therefore the answer is 1.5351 x 10^22 atoms in 0.0255 moles of Calcium
A. How many molecules of sugar are in 20.5 g of sugar?
Answers
Answer:
By definition, one mole (one gram molecular weight) of any substance, contains Avogadro’s number of particles; atoms if you are discussing an element, or molecules if a compound. Avogadro’s number has been determined by several methods, all of the accepted values lie within a range of +-1% about the value of 6.022045 x 10^23/gm. That is a large number, in this case approximately; 602,204,500,000,000,000,000,000 molecules of glucose.
Which of the following substances is a base?
5 points
a. Vinegar
b. Ammonia
c. Lemon juice
d. Distilled water
Answers
Answer:
D
Explanation:
water is used to delude just about anything
assign oxidation numbers to each of the atoms o, s, cl in socl2.
Answers
Carbon-12 contains 6 protons and 6 neutrons and electrons. which subatomic particle, if charged, would change identity of the elements.
A. proton
B. neutron
C. electron
D. all of the elements
Answers
If a system has 325 kcal
of work done to it, and releases 5.00×102 kJ
of heat into its surroundings, what is the change in internal energy (Δ or Δ)
of the system?
Answers
Internal energy of the system is 1278 kJ.
What is Internal Energy?
It refers to the intangible microscopic energy at the atomic and molecular scales, which is distinct in scale from the macroscopic organised energy associated with moving objects. For instance, a glass of water on a table at room temperature appears to have no apparent energy, either potential or kinetic.
∆U = w + q
U = modification of internal energy =?
W = work equals +425 kcal (positive sign because work is done on the system)
lthough I'm not sure you intended to use separate units (kcal and kJ), I'll presume you did so in order to solve the problem. Don't convert them if they should be the same, such as in the case of kJ.
425 kcal plus 4.184 kJ per kcal equals 1778 kJ of labor, or w.
∆U = +1778 + (-500 kJ) (-500 kJ)
∆U = +1278 kJ
Learn more about Internal Energy from given link
https://brainly.com/question/28302880
#SPJ1
What happens to unstable nuclei? (Select all that apply.)
1. They decay into more stable nuclei.
2. Their mass decreases by 50% with each half-life.
3. They emit radiation.
4. They combine to form more stable nuclei.
Answers
The activities which occurs in unstable nucleus from the above choices are:
They decay into more stable nuclei.Their mass decreases by 50% with each half-life.They emit radiation.They combine to form more stable nuclei.The correct answer choices are all 1, 2, 3 and 4.
How unstable nucleus decay into more stable nucleusIt follows that unstable nucleus usually, frequently and most of the time emit radiation and when this occur, it results to decay of substances.
From the task given above, it is crystal clear that that all the choices given above are happenings which occur when an unstable nucleus undergoes radioactive decay.
So therefore, we can now confirm that the nucleus of unstable atoms does decay into more stable nucleus.
Read more on unstable nucleus:
https://brainly.com/question/7067113
#SPJ1
What is the amount of energy (in kJ) released when 1 mole of photons are emitted from an electron transition of n
Answers
Explanation:
The formula applied here is rydberg's equation (Bohr's equation.)
E = -Rh (1/(nf)^2 - 1/(ni)^2)
where Rh = Rydberg constant = 2.8*10^-18
1 mole = 6.02 * 10^23 particles
nf & ni stand for final & initial principal quantum numbers respectively.
your question lacks the principal quantum numbers.
the equivalence point of any acid-base titration can be determined visually from a titration curve by finding the place where
Answers
Answer:
where the slope of the titration curve is the greatest
The titration curve can be used to identify the equivalency point of the titration.The volume of titrant is where the titration curve has the steepest slope.
How do you find the equivalence point on a titration curve?
The equivalency point for acid-base titrations can be identified quite quickly.A simple pH meter is used to measure the pH of the solution being titrated after different amounts of titrant have been introduced to create a titration curve.The curve can then be read to determine the equivalency point. The equivalency point is identified using thermometric titrimetry, which gauges the rate at which a chemical reaction alters temperature.The inflection point in this instance denotes the threshold at which an exothermic or endothermic process is equivalent. The pH of a solution during a titration is represented graphically by a titration curve.The equivalence point in a strong acid-strong base titration is reached when the moles of acid and base are equal, and the pH is 7. The [H+] and [OH] concentrations must be equal at some point to be considered the equivalency point.Just a little bit beyond that is the endpoint, where the indicator color totally changes and the pH shifts from acidic to basic, or vice versa. The precise halfway point between the reactions of the titrant and the acid in the buffer solution is known as the half equivalence point.Because the pKa of the acid and the pH of the solution are equal at the half equivalence point, finding this point is not too difficult. A weak-acid/strong-base titration will have an equivalent point at a somewhat basic pH.The reason for this is that while the acid is not nearly as strong and does not completely dissociate to neutralize each equivalent of the base, the base is stronger and dissociates to a greater extent.To learn more about acid base titration refer
https://brainly.com/question/23687757
#SPJ2
Which of the following is NOT a sign of a chemical change? (HINT: only 2 answers, the rest are chemical change)
1. tarnished is formed
2. gas is produced
3. weight change
4. Temperature change
5. color change
6. nothing changes
7. forms a precipitate
8. energy is released
Need this done today please!!
Answers
Answer:
3 and 6 (weight change and nothing changes)
Explanation:
Hi there!
A chemical change is a change when matter changes into a new substance and has a new chemical property.
The signs that a chemical change is taking place are:
1. change in color
2. change in smell
3. change in energy (for example, there is a change in temperature (thermal energy))
4. a gas is formed (fizzing/bubbling/foaming are signs of this!)
5. formation of a solid (a precipitate)
A physical change is any change to the size, shape, or state of a substance. The substance still has the same chemical property.
these are your eight options:
1. tarnished is formed (a sign of a chemical change; a change in color)
2. gas is produced (a sign of a chemical change)
3. weight change (NOT a sign of a chemical change. Even though the weight changed, the substance still has the same chemical composition and therefore, there wasn't any change to its chemical identity)
4. Temperature change (a sign of a chemical change; a change in energy)
5. color change (a sign of a chemical change)
6. nothing changes (NOT a sign of a chemical change. If nothing happens, the substance is still the same as it was originally and there was no change to its chemical identity.)
7. forms a precipitate (a sign of a chemical change)
8. energy is released (a sign of a chemical change)
therefore the two options that are NOT a sign of a chemical change are 3 and 6 (weight change and nothing changes)
Hope this helps! :)
Which sample contains the greatest number of atoms?
(a) 27.2 g cr
(b) 55.1 g ti
(c) 205 g pb
Answers
Answer:
b option is correct
Explanation:
ugh i don’t know:(
please help!!!
Answers
Why does a bronze bell sound better than a tin bell?
Answers
Write an adventure story of a spacecraft that has been launched to study the dwarf planet ceres. What would be a good story?
Answers
Once upon a time, there was a spacecraft named "Dawn" that was launched on a mission to study the dwarf planet Ceres. The spacecraft was equipped with state-of-the-art technology and a team of highly skilled scientists and engineers were aboard to control and monitor the mission.
As Dawn approached Ceres, the team was amazed at the vast, barren landscape that stretched out before them. They couldn't wait to start collecting data and analyzing the planet's surface. However, soon after they arrived, they encountered a problem. The spacecraft's landing gear malfunctioned and they were unable to land on the surface.
The team quickly came up with a plan B and decided to study Ceres from orbit. They began to collect data and take pictures of the planet's surface. They were shocked to find that Ceres had a surprisingly varied landscape, with towering mountains, deep craters, and mysterious bright spots.
As the mission continued, the team discovered that Ceres had a subsurface ocean beneath its icy crust. The team was thrilled at this discovery and knew that it would greatly contribute to the understanding of our solar system.
However, just as they were about to wrap up their studies, the team received a distress signal from a nearby spacecraft that was in trouble. Without hesitation, the team of Dawn set course to investigate and assist.
As they neared the other spacecraft, they saw that it was under attack by a group of rogue asteroids. The team of Dawn quickly came up with a plan and using their advanced technology, they were able to defend the other spacecraft and destroy the asteroids.
The other spacecraft, grateful for the help, thanked the team of Dawn and they continued on their journey. The team of Dawn, proud of their bravery and the success of their mission, returned to Earth with a wealth of new data and knowledge about Ceres and the Solar System.
The Dawn spacecraft mission was a great success and it helped scientists understand more about the dwarf planet Ceres, and it also demonstrated the courage, resourcefulness, and the sense of camaraderie of the team.
Why might someone say walking on earth is like walking on air
Answers
Answer: It can mean To be in a state of extreme happiness. thich nhat hanh once said “People usually consider walking on water or in thin air a miracle. But I think the real miracle is not to walk either on water or in thin air"
Explanation: i know this stuff
Calculate the acid ionization constant (Ka) for the acid. Express your answer using two significant figures. IVO AO ? K. = Submit Request Answer A 0.120 M solution of a weak acid (HA) has a pH of 3.28. You may want to reference (Pages 737 - 745) section 16.6 while completing this problem.
Answers
Answer : The acid ionization constant (Ka) for the given acid HA is 1.1 x 10^(-5), rounded to two significant figures.
To calculate the acid ionization constant (Ka) for the given acid HA, we must first find its pH using the given concentration of the solution. Then, we can use the pH to find the concentration of H+ ions in the solution. Finally, we can plug these values into the expression for Ka to solve for the acid ionization constant.
The pH of the 0.120 M solution of HA is given to be 3.28. This means that [H+] = 10^(-pH) = 10^(-3.28) = 5.01 x 10^(-4) M.
Now, we can use the expression for Ka: Ka = [H+][A-]/[HA], Since HA is a weak acid, we can assume that it dissociates as follows: HA + H2O ⇌ H3O+ + A- This means that [A-] = [H3O+], and [HA] = initial concentration of the acid (0.120 M) - [H3O+].
Substituting these values, we get: Ka = (5.01 x 10^(-4) M)^2 / (0.120 M - 5.01 x 10^(-4) M) = 1.1 x 10^(-5). Therefore, the acid ionization constant (Ka) for the given acid HA is 1.1 x 10^(-5), rounded to two significant figures.
Know more about acid ionization constant here:
https://brainly.com/question/4110687
#SPJ11
When copper is heated in air, the solid product that is formed has a greater mass than the original copper. When calcium carbonate is heated in air, the solid product that is formed has less mass than the original
calcium carbonate. Why is the mass of the solid product greater in one reaction but less in the other reaction?
Answers
Answer:
When heated, oxygen reacts with copper to form copper oxide. If this reaction occurs in a sealed container, will the mass of the container and everything in it increase, decrease, or stay the same and why? The mass will increase because a new kind of molecule is formed.
Explanation:
As above, carbonates decompose upon heating to give the metal oxide and carbon dioxide. The mass is lost as carbon dioxide.
To solve this we must be knowing each and every concept related to mass. Therefore, Carbon dioxide is released as the mass is depleted when carbonates are heated.
What is mass?Mass defines the quantity of a substance. It is measured in gram or kilogram. Average mass is the mass of atoms of an element that are isotopes.
When copper was heated in the air, the resulting solid product has a larger mass than the initial copper. When calcium carbonate was heated in air, the resulting solid product has much less mass than the initial calcium carbonate. When carbonates are heated, they breakdown into metal oxides and carbon dioxide. Carbon dioxide is released as the mass is depleted.
Therefore, Carbon dioxide is released as the mass is depleted.
To learn more about mass, here:
https://brainly.com/question/28704035
#SPJ2
how many moles of silver nitrate are needed to produce 6.75 moles of copper (II) nitrate upon reacting with excess copper?
Answers
Answer:
13.50 moles of AgNO₃ are needed to produce 6.75 moles of Cu(NO₃)₂
Explanation:
We state the reactants:
AgNO₃
Cu
Then, the products are:
Cu(NO₃)₂
Ag
The reaction is: 2AgNO₃ + Cu → 2Ag + Cu(NO₃)₂
Ratio is 1:2.
The copper is in excess, so the limiting reactant is the silver nitrate:
1 mol of Cu(NO₃)₂ is produced by 2 moles of AgNO₃
Then, 6.75 moles of copper (II) nitrate would be produced by, the double of moles
(6 75 . 2) /1 = 13.50 moles
what is the variable for the quantity of heat in a system?
Answers
Answer:
The heat capacity is the amount of heat, expressed usually in Joules or calories, needed to change the system by 1 degree Celsius. The specific heat capacity is the amount of heat required to raise 1 gram of a substance by 1 degree Celsius.
Explanation:
For example, the specific heat of H2O(l) is 4.18 J/g ° C.
what causes the volume to change in gases? (choose all that apply)
a) temperature
b) density
c) shape of container
d) pressure
Answers
Answer:
Temperature, pressure, shape of container
Answer:
temperature, density, pressure.
Explanation: